Civil Engineering Journal

CIVIL ENGINEERING JOURNAL, March 2013

maret 2013

 

JAKARTA FLOOD PREVENTION WITH A TRUE CAUSE

Sohei Matsuno1

 ABSTRACT

Jakarta, the capital of Indonesia, is located in the coastal lowlands. Against this geographic setting, floods were on the agenda when it was built in the Dutch era. However, these several decades of industrial-urban development had made the past flood infrastructure be unfit for the present settings, having resulted in the aggravation of the floods. To cope with the situation, a series of flood prevention projects have been implemented. But they haven’t bettered the situation but rather worsened. In such a case, the projects must be reviewed and revised. Strangely, a measure is about to start with a past-pattern project. Those seem to continue until everybody feels, ‘enough is enough’. The poor performance of the past projects is the result of wrong recognition in the cause of the floods. The past projects assumed the cause in the land, but really it’s in the sea. This paper has three purposes: viz.(i)to deny the appeared cause theories on Jakarta floods, (ii) to submit writer’s cause, and (iii) to recommend the appropriateJakarta flood prevention project.

 

Keywords:Dutch era,Jakarta flood prevention, Floods in lowlands, Effect of sediment at estuary

1 Professor, Civil Engineering Department, Faculty of Engineering, IBA University, Indonesia.

E-mail: sohei_matsuno@yahoo.com

 

 

RAW WATER QUALITY DEVELOPMENT: STRATEGY AND CONSTRAINT.

A CASE STUDY AT SEVERAL DISTRICT CORPORATION OF DRINKING WATER (Perusahaan Daerah Air Minum/PDAM)

 Wati Pranoto1, Ratna Hidayat2,and Reri Hidayat3

ABSTRACT

In one hand, the demand of Raw Water has increased significantly,following Raw Water scarcity supplies in 308 PDAM. On the other hand, the advantage of using river raw water is based on its plentiful quantity for supporting the services of urban water. However, most of the available water is often polluted. Thiscaused greater operation cost compared to the operational cost of spring water. The river raw water quality for PDAM in Sumatera, Java, Kalimantan and Sulawesi are not suitable to be used for drinking water, due to number of parameters exceeding the concentration criteria, which are: (1).BOD: 3.5-52 mg/L(criteria  2 mg/L); (2).COD:12–87 mg/L (criteria 10 mg/L); (3).Dissolved Oxygen too low: 2- 4.5 mg/L(Criteria greater than 6 mg/L);(4).Detergent too high: 0.20 – 0.75 mg/L(criteria 0.20 mg/L); (5). Concentration of Fecal Coli bacteria at PDAM Jakarta:  2,800,000 Total Amount/ 100 mL (Criteria 100 Total Amount /100 mL).Another problem is caused by sea water intrusion which had increased the concentration of chloride (15,200 mg/L) and sulfate (2,900 mg/L). Strategies such as technical and law enforcementare needed.

 

Keywords: PDAM, Raw water, Polluted water sources, Technical strategy, Law enforcement

1Department of Civil Engineering, Tarumanagara University, Jakarta, Indonesia

E-mail: watipranoto@gmail.com

2Research Institute of Water Resources Development, Public Work Department  Jl.Ir.H.Juanda 193 – 40135, Bandung.E-mail: ratnahid2@yahoo.com

3Engineer Water Resources Management (Tenaga Ahli Pengelolaan Sumber Daya Air)

 

DOMINANT FACTORS ON INCREASING MATERIAL

COST IN CONSTRUCTION PROJECTS 

Bambang Endroyo1, Bambang E. Yuwono2, and Agung Fajar Martha3

ABSTRACT

Inconstruction projects, materialsandequipmenthas an important role whose value could reachup to 50-60% of the totalproject costs, while supplyingthe materialshould reach a valuebetween25-40% of theproject cost. On theother hand, the additionaltimeofordering, shippingandhandlingof constructionmaterials might impactthe time schedule ofthe project as well. Quantitatively, the cost of procurementof materialsmust be5-10% higher, tocover thelossandthe occurrence ofreworkin the field. However the question that appears – what are thedominantfactorsthat can cause the increase of material cost ? A questionnaire has been developed and distributed to the construction practitioners in Jabotabek (Jakarta, Bogor, Tangerang, Bekasi) to solve the problem.  30 filled questionnaires were analyzed usingAnalytical Hierarchy Processmethod. The results are:  highlevels of competition, the use ofwastematerialsat the site,  the qualityof materialthatis not within specificationsandincreased coststo expeditebureaucracy,are the dominantfactorsthat resultsthe increase incostof constructionmaterialsonproject implementation.

Keywords: Construction, Cost, Equipment, Material, Construction practitioners.

1Civil Engineering Department, Semarang State University, Semarang, Indonesia

Email: bbendroyo@yahoo.com

2Civil Engineering Department, Trisakti University, Jl. Kyai Tapa, Jakarta, Indonesia

Email:bey_trisakti@yahoo.com

3Civil Engineering Department, Trisakti University, Jakarta, Indonesia

Email: jar_kickass@yahoo.com

 

 

ROAD USER BEHAVIOUR AT CROSSING FACILITIES

 Gede Pasek Suardika1

ABSTRACT

There is an increasing number of accident victims every year. The factors that caused the accidentare 86.23% of human factor, 6.15% of vehicle factor, 5.46% of road factor and 2.16% of environment factor. However, it could be said that road accident is a silent disaster.

Besides, among those road accident victims are student who go to school or back from school especially the student of elementary school. Those schoolchildsare the road users who have lack of experience and tend to be careless. Most of them have less knowledge on how to crossing the road safely and more effective. To protect the students, the   government has provide School Safety Zone (ZoSS) facilities on the road in front of the school. ZoSS   is a speed zone based on the time which could manage a vehicle’s speed in the school area. The use of traffic engineering such as speed limit marking, a “red” road marking by School Safety Zone written on it.

Keywords: Road accident, School Safety Zone (ZoSS), Speed zone, Traffic engineering

1Deputy Director of Safety Management, Directorate Land Transport Safety, Directorate General Land Transport. Ministry of Transportation, Republic of Indonesia

 

OUTLIER LABELING USING MINIMUM SPANNING TREE METHOD

 Dyah  E. Herwindiati1 and Maman  A.  Djauhar

ABSTRACT

Outlier’s detection in multivariate scheme problem is a fundamental and important parts. There are various criteria developed based on the notion of distance such as Euclidean distance, Mahalanobis distance and single linkage distance. Other criteria are based on the notion of measure of closeness between a group of clean observations and the total group. Within this paper, the method of detection outlier into two steps, i.e., outlier labeling and outlier testing are discussed clearly. For outlier labeling, it is suggested to use the notion of minimum spanning tree which is very efficient. In the second step, outlier testing will be conducted based on the exact distribution of the classical Mahalanobis distance between each labeled outlier and the mean vector of  the group of clean observation.

 Keywords: Mahalanobis distance, minimum spanning tree, multivariate outlier, outlier labeling.

1Senior Lecturer, Faculty of Information Technology, Tarumanagara University, Jakarta, Indonesia.

E-mail: herwindiati@untar.ac.id

2Senior Lecturer, Department of Mathematical Sciences, Faculty of Science, Universiti Teknologi Malaysia.

E-mail: maman@utm.my

BUILDING STRUCTURE SYSTEM OF CHINESE ARCHITECTURE, PAST AND PRESENT

 Fermanto Lianto1

 ABSTRACT

 

Chinese architecture from time to time show a rapid growth.In the past times, they used a wooden structure system and based on a local culture tradition to show aesthetics, value and nature,butin the present times they beginto shift towards by modern technology, more creative, “free” and “unusual” forms, out of the structures system paradigms as seen as in the Central Chinese Television building, National swimming center, the Beijing Olympic stadium and many others.

 

Keywords:Geometric, Paradigms, Skeleton structures, Cantilever structures, Long span structures.

1 Magister, Department of Architecture, Faculty of Engineering, Tarumanagara University, Indonesia.

E-mail: fermantolianto@yahoo.com

 

 

CIVIL ENGINEERING JOURNAL, September 2012

sept 2012

CONSTRUCTION RISK ANALYSIS ON UMBULAN DRINKING WATER SUPPLY SYSTEM

 Wateno Oetomo1 and Firta Riyanti Dewi Kurnia Sari2

ABSTRACT

Umbulan Drinking Water Supply System (SPAM : Sistem Penyedia Air Minum) project is a government priority project that consists in MP3EI (Master Plan Percepatan & Perluasan Pembangunan Ekonomi Indonesia) with consession period for 25 years. This long term period could cause many risks, due to the uncertainty condition. Each risk is specific and complex. In construction, the risks are various and complex too, and detail risk analysis is an absolute necessary. The aim of this research is to find the sequence of risk level, and to determine the appropiate construction method for SPAM Umbulan transmission pipelines installation.

 

Keywords: Umbulan drinking water supply system, construction risk, construction method, pipeline installation method.

1Professor, Civil Engineering Department, 17 Agustus 1945 University, Surabaya, Indonesia

2Lecturer, Civil Engineering Department, 17 Agustus 1945 University, Surabaya, Indonesia

 

JAKARTA SHOPPING CENTER EVOLUTION FROM 1965-2013

Regina Suryadjaja[1]

 ABSTRACT

Jakarta in early 60’s was marked by numerous national building being built. At that time, shopping centre was introduced in Jakarta for the first time, aimed to provide a new market place to shop. Since then, the function of shopping centre had been evolved. The evolution was very close related to the image of the Indonesian government at that time. As Jakarta itself evolved, so did the shopping centre, both physically and functionally. Nowadays, Jakarta’s inhabitants are used to go to shopping centre as their recreation destination since no proper open air public places that can be facilitated by the Jakarta Municipality government. On the other hand, many new shopping centres with fresh idea, unique concept, and many other facilities are being built to serve the people of Jakarta. The growth of shopping centre itself has changed the ‘face’ of Jakarta and vice versa. With this paper, the writer tries to see the evolution of Jakarta shopping centre, especially in connection with multi layers and specific social condition of Jakarta’s inhabitants.

 

Keywords: Evolution, Jakarta shopping center, national building, social condition.

[1] Lecturer in Urban Planning and Real Estate Development Department,                                                 Tarumanagara  University, Jakarta.

E-mail: suryadjaja.regina@gmail.com

 

 

STRUCTURAL DESIGN OF VERTICAL EVACUATION FROM TSUNAMI DISASTER AT Padang, wEST SUMATERA, INDONESIA

Febrin Anas Ismail1, Fauzan2, Abdul Hakam3 and Lukman Murdiansyah4

 ABSTRACT

 Area around Padang is prone to earthquake and tsunami concerning the location  in adjacent to the subduction of Indo-Australian and the Eurasian plates. The subduction area is the main source of strong earthquake which might generate tsunami. The relatively flat topography and the high population density of Padang are the main problems that lead this city is vulnerable to tsunami disaster. Moreover, horizontal evacuation is difficult to be done around area of Padang due to the complexity. Then, the alternative way to evacuate the victims from this disaster is by doing it vertically to the top of high buildings. Other problem is Padang has limited  high buildings at the moment. This paper describes the structural analysis and design of a building which is appropriate to evacuate the victims of tsunami disaster vertically. The analysis involving as well the calculation of tsunami load in terms of hydrodynamic load on the structure. The results show that the structure could be properly designed vertically and used for vertical evacuation from tsunami.

Keywords: Earthquake, tsunami, vertical evacuation, structural desaign.

1 Lecturer, Department of Civil Engineering, Andalas University, Padang, West Sumatera, Indonesia

2 Lecturer, Department of Civil Engineering, Andalas University, Padang, West Sumatera, Indonesia

3 Lecturer, Department of Civil Engineering, Andalas University, Padang, West Sumatera, Indonesia

4 Student, Department of Civil Engineering, Andalas University, Padang, West Sumatera, Indonesia

 

AIR TRAFFIC AT INDONESIA MAJOR AIRPORTS

 Leksmono Suryo Putranto[1]

 Abstract

Indonesia is an archipelago consists of island where separated one and another in long distances between major cities. Consequently, air transport is very important. Indonesia has 164 airports, 25 aiports of them serve both domestic and international flights. This paper discusses the performance of Indonesian major airports. 18 major airports for domestic flights and 10 major airports for international flights were analyzed. From some comparison charts between the airports, it was found that major hubs, e.g. Jakarta, Surabaya and Makassar Airports were dominant in terms of yearly domestic total aircraft movements, total passengers and total weight of cargo. For international flights Surabaya was replaced by Denpasar (Bali).

 

Keywords: Indonesia, airports, hubs, aicraft movement, passenger, cargo.

 

1Senior Lecturer, Civil Engineering Department, Tarumanagara University, Jakarta, Indonesia

E-mail address: ls.putranto@ftuntar-id.com, lexy_putranto@yahoo.co.id

 

VALUE ENGINEERING APPROACH IN DETERMINING FLYOVER CONSTRUCTION METHOD

Noviyanti Yahya[1]

ABSTRACT

Flyover is a construction that connects two areas passed through the underneath traffic. In consequence, The construction method plays an important role in the construction process of a flyover. This paper examined cost savings which at the same time maintain the basic function of construction methods. The construction methods that will be analyzed by using Value Engineering are the Method of Balance Cantilever with Launching Gantry, Method of Balance Cantilever with Lifting Frame, and Method of Balance Cantilever with Crane. The results of the life cycle cost analysis show that method of Balance Cantilever with Crane is superior than the other two methods in terms of saving and quality added value.

Keywords: Construction methods, balance cantilever, value engineering, life cycle                               cost.

[1] Master Graduate in Contractor  Management of Tarumanagara University, Jakarta

E-mail: Aurelia.novianti@gmail.com

 

CIVIL ENGINEERING JOURNAL, March 2012

maret 2012

INVESTIGATION OF FAILURE AND PRESTRESSING FORCE

AT THE END ZONE OF PRESTRESSED CONCRETE BEAM

Roesdiman Soegiarso[1] and Linggawan[2]

ABSTRACT

Prestressed force at the end zone of the beam transferred through the anchorage causes critical stresses both in compression and tension. Due to this force, four components i.e., casting, anchor head, strands, concrete (compression and tension) may experience crucial stresses. These four components are designed to prevent the premature failure of the beam. However, there is no direct correlation among these four components. In order to maximize the bearing capacity at the end zone, the stirrups and confinements are provided in the design based on codes. A number of tests have been performed to confirm the codes. In this research, the impact of stirrups and confinements to the maximum prestressing force will be studied. In addition, the pattern of cracks and the maximum prestressing force when the first crack occurs are also observed. 33 models with different dimensions and properties are prepared and tested. The results are presented in Tables, Graphs and compared with the estimated values obtained from the codes.

 

Keywords: Prestressing force, Anchor head, Cracks, End-zone, Confinements, Stirrups, Trajectories, Tendons, Failure.

[1] Professor, Civil Engineering Department, Tarumanagara University, Jakarta

[2] Commissioner of PT. Gerbang Sukses Karya, Batam

 

 

OPTIMIZATION OF FLY ASH AND SILICA FUME AS MATERIALS SUBSTITUTION FOR CEMENT WITH TERNARY SYSTEM C-A-S

Abdul Karim Hadi[1]

Abstract

This paper had successfully evaluated the optimization of fly ash and silica fume which have a potential to be substituted partially with cement based on C-A-S Ternary System. The application of C-A-S Ternary System optimization concept is based on two basic philosophies of how to formulate the equation of balance and substance fusion between the cement and fly ash or between the cement and silica fume. The formulation of those equations is being constructed in the form of C-A-S Ternary triangle (CaO – Al2O3 – SiO2).The optimization value is procured from the transfomation of chemical parameter to mathematics trigonometry form. The analysis result showed that by using the diagram phase of C-A-S Ternary System, the optimum percentage of fly ash is 18,84%, whereas silica fume is 11,78%.

Keywords: Fly ash, Silica fume, Optimization, Ternary System, Subtitution.

[1] Doctoral Graduated of Tarumanagara University, Jakarta

Senior Lecturer at Muslim University, Ujung Pandang

E-mail: a.karimhadi@yahoo.com

 

 

OPERATION  AND  MAINTENANCE  ROLE IN EVALUATION OF URBAN DRAINAGE  SERVICE  LEVEL

Sih Andayani[1], Bambang E. Yuwono2, and Soekrasno3

ABSTRACT

Every infrastructure requires thorough maintenance in order to keep its functions. However, due to the Government financial shortage, maintaining those infrastructures becomes a very difficult task because it cannot be maximumly done especially urban drainage systems. It causes urban drainage service level to decline rapidly and makes huge amount of puddles in rainy days. One of many available solutions is to improve service level in limited fund by creating a tool to determine urban drainage handling priority scale. The scale will determine which drainage needs to be repaired or rehabilitated so that drainage handling become effective and efficient (Andayani, Yuwono, Soekrasno, 2011). The tool is basically a series of drainage network appraisal procedures which is reviewed from many related aspects. In the earlier research also done by the researcher, indicators of service level which contributed significantly to urban drainage service level systems have been obtained from a survey of 30 respondents. The next research question is ”how important operational and maintenance role to urban drainage service level?”. To answer this research question, an advanced research is conducted and the level measurement of every indicator has been obtained which was taken from survey result of 130 respondents. Among these respondents are Government official, public, and college students from different educational as well as cultural background of all around Indonesia. In data processing, the researcher used Structural Equation Model with the help of AMOS program. The result is that operational and maintenance factor contribute significantly and dominantly to urban drainage service level.

 

Keywords: Level, Service, Drainage, Urban, Operation, Maintenance.

[1] Civil Engineering, Trisakti University. E-mail: sandajani@yahoo.com

2 Civil Engineering, Trisakti University. E-mail: bey_trisakti@yahoo.com

3 Civil Engineering, Trisakti University.

 

 

INVESTIGATION ON CAUSES OF TUNNEL ROOF CAVE-IN TRIGGERED BY SIMULTANEOUS BLASTING IN DAM PROJECT, WEST JAVA, INDONESIA

Chaidir Anwar Makarim[1], Dicky Junaidy2, and Gopta Andika Pratama3

Abstract

Forensic investigation conducted on cave-in of tunnel roof built on claystone and breccia soil in Dam Project – West Java, Indonesia had strongly indicated that it was triggered by simultaneous blasting carried out at the surface of the spillway. The roof collapse in the diversion tunnel is within 60 meters distance from the center of the blasting. The rock layer which made the roof of the diversion tunnel was Breccia Layer that has sheared zone (crack). This paper presents a disturb case by analyzing the effect of simultaneous blasting on tunnel roof in 2D/ 3D Finite Element modeling.

Keywords: 2D / 3D Finite element, Simultaneous blasting, Diversion tunnel, Crack.

[1] Professor, Department of Civil Engineering, Tarumanagara University, Jakarta,  Indonesia.

E-mail: batara7@gmail.com

2 Commissioner of PT. Geoforensik Manggala Pratama, Jakarta,  Indonesia

3 Commissioner of PT. Geoforensik Manggala Pratama, Jakarta,  Indonesia

*also published in the 1st International Conference on Sustainable Civil Engineering Structures and Construction Materials (SCESCM), May 11 – 13, 2012, Gadjah Mada University, Yogyakarta, Indonesia.

 

 

INFLUENTIAL FACTORS ON

THE PROBABILISTIC DURATION OF CONSTRUCTION PROJECT IN JAKARTA

Basuki Anondho [1], Yusi Yusianto [2], Meiske Y.  Suparman [3], and Lydiawati Soeleiman[4]

Abstract

Estimating construction process is somehow similar to an art. This concept becomes more appropriate when process estimating is faced with uncertain condition like such in developing country, Indonesia. The problem is about how to alter the uncertainty into a certain probabilistic calculation which could be used in estimating. The concept of probabilistic scheduling method itself has been developed since then, known as PERT (Program Evaluation Review Technique), which is commonly being used in manufacture process. Since a construction process is unique, gathering data to calculate the optimistic and the pessimistic duration, as the method requirement, becomes difficult. An alternate solution to calculate that type of duration is proposed by using some influencing factors. This paper describes the factors identification and reducing for each type of probabilistic duration as a first step in calculating optimistic and pessimistic duration. This research is funded by the directorate of higher education, education and culture Ministry of The Republic of Indonesia under national strategic competition grant scheme.

Keywords: Factors influence, Probabilistic duration, Optimistic, Pessimistic, PERT.

[1] Senior Lecturer, Civil Engineering Department, Tarumanagara University.

[2] Lecturer, Management Department, Tarumanagara University

[3] Lecturer, Psychology Department, Tarumanagara University.

[4] Lecturer, Management Department, Tarumanagara University

 

 

COMPARATIVE EVALUATIONS ON TRANSIT FARE VS PRIVATE VEHICLE COST IN JAKARTA

 Najid[1]

Abstract

Recently, the use of public transportations had been replaced by private transportations such as motorcycles. It is known that the level of user’s satisfication relatively depends on the services offered to the passengers around the city. The main attributes to be considered by the passengers are travel time, waiting time, and its fare. The discussion about transportation fare does not include the evaluation of transportation service, especially analysis on door to door services like motorcycle’s. The value of time is diversed by various types of transportation services like Bus, Metromini/Kopaja (Medium Bus), and Mikrolet (Micro Bus).

Keywords: Private vehicle, Transit fare, Travel time, Transportation.

[1] Lecturer, Civil Engineering Faculty, Faculty of Engineering, Tarumanagara University.

E-mail: najid2009@yahoo.com

Management Journal

JURNAL BISNIS DAN MANAJEMEN, Januari 2015

 cover jan 15

PENGARUH KOMODITI MINYAK, EMAS DAN NILAI TUKAR RILL TERHADAP INDEKS HARGA SAHAM GABUNGAN DI BURSA EFEK INDONESIA PERIODE 2009 SAMPAI DENGAN 2013

 Studi Empiris pada Indeks Harga Saham Gabungan di Bursa Efek Indonesia

 Calvina[1]

 Abstract

In juni 2013 until September 2013 jakarta composite index has decreased drastically, but in october 2013 the Jakarta composite index is recovering and has increase. So that in this study sought empirical evidence on the effects of oil, gold and the exchange rate to Jakarta composite index. This study uses daily data period 3 january 2009 until 30 december 2013 for the oil, gold, exchange rate and the Jakarta composite index data and using multiple linear regression model that consists of 3 independent variables (oil, gold, exchange rate) and 1 dependent variables (Jakarta composite index). Coclusion of this study is to test the significance of the F-test is 0,000 so it can be concluded that simultaneously gold, oil and the exchange rate effects the Jakarta composite index. Partially, the oil has a significance 0,000. Gold has a significance value of 0,000 and the exchange rate also has a significance 0,000. So it can be concluded that oil, gold and exchange rate can affects Jakarta composite index partially.

Keywords : oil, gold, exchange rate and Jakarta composite index.

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara  (calvinachen23@gmail.com)

 

KINERJA KEUANGAN BANK SEBELUM DAN SESUDAH MERGER DENGAN MENGGUNAKAN METODE ANALISIS CAMEL

(Studi Kasus Pada PT. Bank CIMB Niaga Tbk.)

 Dewi Kartika Sari[1]

 Abstract

Merger  is  considered  as  one strategy  in facing global competition. Mergers can create  potential  synergies. Hopefully, by merger  and  acquisition the bank will be better and able to operate efficiency.  Bank  CIMB  Niaga  is the result of a merger of  two banks: Bank Niaga  and  Bank Lippo in 2008.  The  merger  was  implemented  to  comply  with the policies established Single  Present  Policy  of  Bank  Indonesia  in  2006. This type of research is descriptive  research  with  quantitative  approach. Methods of analysis of data presentation using  comparative  analysis  for  this  study comparing conditions  before and after the treatment. The data used  in this study  are secondary data  from  the annual  financial  statements of banks.  Data  analysis  in  this  study  using  the  CAMEL analysis of  seven indicators: the ratio of the CAR,NPL,BOPO,ROA,ROE,NIM, and LDR. It  is  known  that  from the results of  CAMEL ratio  analysis  that  have  been observed,  there six ratio who are decreasing, and  one  ratio  is increasing, hence  it can be concluded, in general the  financial  performance  of  PT. Bank  CIMB  Niaga Tbk. is decreasing  after  the  merger. There is no significant difference and the decreasing of the financial performance  from  the result  of  merger  because  the  merger  banks needs time and process in consolidating  of all departments in terms of  operational. Therefore, in a short term  the effectiveness of  bank  merger  cannot be seen yet.

Keywords: Financial Performance, Merger, CAMEL

[1] Alumnus  Program Studi Magister Manajemen Program Pasca Sarjana Universitas Tarumanagara Jakarta (lightningsierra@gmail.com)

 

ANALISIS KINERJA KEUANGAN DAN DAMPAK TINGKAT PENGUNGKAPAN INFORMASI PADA LAPORAN KEUANGAN TERHADAP HARGA SAHAM PADA PERUSAHAAN PERTAMBANGAN YANG TERDAFTAR DI BURSA EFEK INDONESIA TAHUN 2010 – 2012

Studi Empiris pada Perusahaan yang Terdaftar di Bursa Efek Indonesia

Irena Soemarlim[1]

 Abstract

Financial ratio analysis is a vital one since the profitability of an enterprise is directly affected by such decision. The successful selection and use of appropriate financial ratio is one of the key elements of the firm’s financial strategy. Hence, proper care and attention need to be given while such decision is taken. The purpose of this research is to gain empirical evidence whether influence of financial performance and disclosure quality in financial statements to the stock’s price in mining companies which listed in Indonesian Stock Exchange with period 2010-2012. Analysis of financial performance is using financial ratios, including activity, liquidity, leverage and profitability ratios while analysis of disclosure financial statements using IFRS Checklist 2012. Descriptive analysis and Multiple Linear Regression are used to analyze the data and test the hypothesis. Regression analysis indicate that the financial performance and disclosure quality can explain 82,10% variation in stock price at 5% significance level while 17,90% of the major factors are determine from other factors outside the independent variables. The results of data analysis also shows that ROE, EPS, PBV and disclosure quality have significance influence on stock price.

Keywords: financial performance, financial ratio, disclosure quality, stock price.

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (irena_lady2201@yahoo.com)

 

PERENCANAAN BISNIS

PENGEMBANG REAL ESTATE DI INDONESIA

Ricky Pranata[1]

Abstract        

Real Estate Developer is an entrepreneurial firm in Construction business. Each Developer always had a way to accomplished great profit and yet we always makes our customer benefit from the investment of Real Estate. The background of this business is the property. We can do with credit with monthly painment. develop bussiness with purposes to increase growth from the firm and expand the market. How to use the rapid development of construction in Indonesia make this bussiness have a great opportunities.and the business Real Estate in Indonesia always increased during these years. Maybe people said, the price too high but right now is so many option to pay a small asset and get a big asset. Research what customer like and dislike so we can improve by trial and error so we can create a big business with big profit together with our customer because this is a mutual business where each participants can get profit.The method of this writing is find the theory of Real Estate Developer by literature, and implementation in real life. How to work in the Developer and telling us what to do in a work  in Developer.

Keywords  :  Developer, Real Estate, Business,

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (rhist10288@gmail.com)

 

PENGARUH BRAND PERSONALITY, BRAND IMAGE DAN BRAND LOYALTY TERHADAP PURCHASE INTENTION

(KASUS : THE BODY SHOP)

Felicia Windy Limas[1]

Abstract

This research aims to find out the influence of Brand Personality, Brand Image and Brand Loyalty to Purchase Intention (Case : The Body Shop product). There are four variables : Purchase Intention as dependent variable, and Brand Personality, Brand Image and Brand Loyalty as the independent variables. The samples in this research are consumers who consume The Body Shop product at Tarumanagara University, Jakarta. The samples are taken by purposive sampling method. The research observes 150 respondents and the menthod of analysis used in this research are a multiple linier regression method, a test of classical assumption and hypothesis testing (t test, F test and the test of determination or R square). The examinations in this research use SPSS 22 computer program. There are some results of research that has been found. Based on statistical t test, Brand Personality, Brand Image and Brand Loyalty have a significant influenced to Purchase Intention partially because the significant value less than 0,05. Based on statistical F test, all independent variables have significant influenced to Purchase Intention simultantly. Result of coefficient determination test showed that Brand Personality, Brand Image and Brand Loyalty explained Purchase Intention 35,8%, and the rest (64,2%) is influenced by other variables outside the model.

                                                                                         

Keywords : Brand Personality, Brand Image, Brand Loyalty and Purchase Intention

[1]Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (felicia_windy@hotmail.com)

 

PENGARUH FAKTOR – FAKTOR FUNDAMENTAL TERHADAP PERINGKAT OBLIGASI YANG TERDAFTAR DALAM INDONESIA BOND MARKET DIRECTORY 2008-2012

Felix[1]

Abstract

Investment decision is determined by the quality of the instrument. The quality of Bond as investment instrument is reflected through its rating since it provides signal and information related to the default risk. Bond rating is determined by many factors. Previous researches have shown different conclusion on which factors influence it, therefore further research is needed to be conducted to determine which factors affect it most. The objective of this research is to explain the influence of fundamental factors to the bonds rating listed in Indonesia Bond Market Directory 2008 – 2012. This research has 80 samples of Non-Financial Company’s Bond observations issued, traded, and registered in Indonesian Bond Market Directory 2008 – 2012 rated by Pefindo. The samples were tested by the Logistic Regression (Stepwise – Backward). The research concluded that only Retained Earnings, Leverage, and Guarantee have effect on the Bonds Rating on Confidence Level of 95%.

Keywords : bonds, bonds rating, fundamental, operating income, retained earnings, leverage, bonds maturity, liquidity, current ratio, auditor, growth, guarantee, PEFINDO, IBMD, IDX

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (phillip.xu@yahoo.com)

 

 

JURNAL BISNIS DAN MANAJEMEN, Februari 2015

cover feb 15

ANALISIS PENGARUH KUALITAS PELAYANAN TERHADAP KEPUASAN DAN LOYALITAS NASABAH PENGGUNA PRODUK PERBANKAN ELEKTRONIK PT. BANK CENTRAL ASIA, TBK DI JAKARTA

 Laurencia[1]

 Abstract

This research aims to determine what dimension of service quality has the most influence on customer satisfaction, predominantly the customers of electronic banking (e-banking) products of PT. Bank Central Asia, Tbk. This research attempts to determine whether satisfaction will form customer loyalty to continue using the e-banking products. The study was conducted by using a questionnaire to measure the dimensions of e-S-Qual and e-RecS-Qual, which are Efficiency, System Availability, Fulfillment, Privacy, Responsiveness, Compensation, and Contact. Method used in this research is Path Analysis, accompanied by by a number of hypothesis tests that are measured statistically. The results of this study show that the dimension that affects customer satisfaction the most is Responsiveness. It is also proven that satisfaction will establish customer loyalty.

Keywords : Dimension of Electronic Service Quality, e-Banking, Customer Satisfaction, Customer Loyalty

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (laurencia.hardiman@gmail.com)

 

 

 

JURNAL ORGANISASI DAN MANAJEMEN, Agustus 2014

cover Agust 2014

ANALYSIS OF EFFECT OF PROFITABILITY, GROWTH ASSET, ASSET STRUCTURE TOWARD FINANCING DECISIONS IN FOOD AND DRINKS COMPANIES IN INDONESIA STOCK EXCHANGE PERIOD 2008 – 2012

Ren Paul Sugih Atmady[1]

Abstract

Funding Decisions is the comparison between the amount of total debt with total equity. This research is used to test the influence of variables Return On Asset, Asset Growth, and Fixed Asset to Total Asset of the Funding Decisions (Debt to Equity Ratio). The number of samples in this study are 10 food and beverage companies uses purposive sampling method. It is a method to found sample with various measurement. All the sample are companies that listed in Indonesia Stock Exchange which apply panel data method and collects data are about 50 data observation. Data analysis that used in this study are multiple regression liniear and assumption classic tests which consist of normality test, multicolieniarity test, and heterocedasticity test. Hypotesis testing uses F-test and t- test. Based on the result of analysis shows independent variables (Return On Asset, Asset Growth, and Fixed Asset to Total Asset) simultanieously does not effect Funding Decisions. Whereas partially, Return On Asset and Fixed Asset to Total Asset have significant impact on Funding Decisions. In addition, Asset Growth has insignificant influence to Funding Decisions. The value of adjusted R square is 0,1347 and it means independent variables can explain the dependent variable as much as 13,47%, while the remaining amount of 86,53% is influenced by other factors which not included in the model. In the second result of analysis shows independent variable Funding Decisions (Debt to Equity Ratio) have significant impact on Return On Asset. The value of adjusted R square is 0,1907 and it means independent variables can explain the dependent variable as much as 19,07%, while the remaining amount of 80,93% is influenced by other factors which not included in the model.

Keywords : Funding Decision, Capital Structure, Return On Asset (ROA), Asset Growth, Fixed Asset to Total Asset (FTA), Debt to Equity Ratio (DER), Pecking Order Theory, Trade Off Theory, Agency Theory.

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara

(sugihatmady@yahoo.com)

 

TINJAUAN MANFAAT BERBISNIS GLOBAL BAGI WIRAUSAHAWAN

Indra Widjaja[1]

Abstract

This literature study aims to determine the benefits of global business for entrepreneurs. Doing business globally is one method of promoting a business. Globalization has become a new environment for the business world. A business can improve the economy of a country but of course also need assistance and the role of government. There are several benefits gained for entrepreneurs who do business globally such as: offset a decline in sales in the domestic market; increase sales and profits; extend the product life cycle; reduce manufacturing costs; lowering the cost of the product; improve the position of competitiveness and enhance the reputation; improve quality and become more customer-oriented.

Keywords : bisnis global; peran pemerintah; pasar domestic; biaya produk

[1] Dosen Program Studi Magister Manajemen Universitas Tarumanagara dan Fakultas Ekonomi Universitas

Tarumanagara, Jakarta (Indraw63@yahoo.com)

 

ANALISIS PENGARUH INFLASI, KURS DOLAR AMERIKA SERIKAT, HARGA EMAS ANTAM, DAN SUKU BUNGA TERHADAP HARGA SAHAM INDEKS LQ45

Silvany Tjoetiar[1]

Abstract

The objective of this study is to analyze effect of inflation, exchange rate, gold price of Antam, and interest rate of Sertifikat Bank Indonesia, partially and wholly, on price of Indeks LQ45 period of year 2009 until 2012. In this research, multiples regression analysis model is used by the Researcher. The abovementioned macroeconomic variables constitute independent variables, and stock price of Indeks LQ45 constitutes dependent variable, on the model. To ensure such model meets BLUE criteria (best linier unbiased estimator), the Writer conducted test of classic assumption. After the test of classic assumption is met, in order to assess and determine whether the macroeconomic variables significantly affect the stock price of Indeks LQ45, the Writer conducted the t-test (to analyze partial effect of each macroeconomic variable) and F-test (to analyze whole effect of all macroeconomic variables). The result of this research shows that inflation, exchange rate of United States Dollar, gold price of Antam, and interest rate of Sertifikat Bank Indonesia have significant effect on stock price of Indeks LQ45. Furthermore, as partial independent variable, exchange rate of United States Dollar, gold price of Antam, interest rate of Sertifikat Bank Indonesia has significant effect on stock price of Indeks LQ45 (at significant level = 0,05). Whilst the inflation has no significant effect on stock price of Indeks LQ45. From this research, any investor has to consider such macroeconomic factors before making investment decision.

Keywords: inflation, exchange rate, gold price of Antam, and interest rate of Sertifikat Bank Indonesia

[1] Alumnus Program Studi Magister Managemen Universitas Tarumanagara (silv_silv_sil@yahoo.com)

 

ANALISIS DAN PENILAIAN PORTOFOLIO OPTIMAL DARI SAHAM – SAHAM LQ45 DENGAN METODE SINGLE INDEX MODEL DAN CONSTANT CORRELATION MODEL

Studi Empiris pada Perusahaan Yang Termasuk dalam Index LQ45 Periode Febuari  2012 sampai dengan Febuari 2013

Rinaldi Sibuea[1]

Abstract

This Portfolio is basically related to how one allocates a number of stocks into various investment types that results on optimal profits. By making diversification, investor may reduce the rate of risk and at the same time optimize the rate of expected return. Base on that, this research raises the problem of how to design an optimal portfolio simulation, i.e. a combination of liquid shares LQ45 listed in Jakarta Stock Exchange (Now is known as Indonesia Stock Exchange, after the merger with Surabaya Stock Exchange) in period 2012 by using Single Index Model and Constant  Correlation Model. Single Index Model is a model of portfolio analysis using the account of Excess Return to Beta (ERB) Ratio and value of C* to gain optimal shares on portfolio. The procedure of Constant Correlation Model is exactly parallel to the case of Single Index Model. However, unlike in the Single Index Model, all securities are ranked by Excess Return to Standard Deviation (ERS) instead of Excess Return to Risk. After securities are ranked using the above ratio, securities with greater Excess Return to Standard Deviation and Cut off Point (C*) are included into the optimal portfolio. In single index model and constant correlation model, recommended that investors should allocate funds in shares to PT. Perusahaan Gas Negara (Persero) Tbk. ,While the optimal portfolio is formed using the single index model has a better performance when compared to the optimal portfolio is formed using constant correlation models.

Keywords: Portfolio, single index model, constant correlation model

[1]Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (rinaldi_global@yahoo.com)

 

APLIKASI DATA ENVELOPMENT ANALYSIS (DEA) UNTUK MENGETAHUI  KINERJA REKSA DANA SAHAM DI  BURSA EFEK INDONESIA PERIODE

2010-2012 SERTA KONSISTENSI PENGUKURANNYA DENGAN

MODEL TRADISIONAL

Evert Berty Sumual[1]

Abstract

Measurement of the efficiency of the performance of mutual funds is important to be done in order to determine the position of the investment portfolio of mutual funds or investment policy to determine the direction of subsequent investors. Performance measurement models in conventional mutual funds have been around the model of Sharpe, Treynor, and Jensen. However, in some studies , revealed that the traditional method has shortcomings in its assessment because it is limited to only a few factors, namely risk and return and the three traditional methods produce different values​​, so the lack of a standardized assessment standards. Data Envelopment Analysis (DEA) oriented linear programming that has been widely used in other fields such as banking, hospitals, factories, and others to measure the production efficiency of a Decision Making Unit (DMU) is an alternative measurement of performance efficiency mutual fund. Data Envelopment Analysis is a multi-factor because it can measure a number of factors that are not limited to determine the efficiency of a DMU. Data required by the DEA is a data input and output without regard to units of each input or output. So that when applied to the measurement of the efficiency of the performance of mutual fund shares, the limitations on traditional measurement models can be resolved. In this research application, additional factors which serve as inputs in addition to risk factors is subsription cost and redemption cost. Other factors are ignored because of the limitations of existing data. Object of study is a mutual fund shares that are registered with Bapepam open- end funds whose shares are traded on Jakarta Stock Exchange during the period 2010 to 2012. The results showed that the application of Data Envelopment Analysis (DEA) to measure the efficiency of the performance of mutual funds, are not contrary to the method of Sharpe, Treynor, and Jensen. DEA can also be used to measure the efficiency of the performance of mutual funds in a form other than equity funds because the nature of measurement is more flexible.

Keywords: Data Envelopment Analysis, Sharpe, Treynor, Jensen, Mutual Funds.

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (evert_sum@yahoo.com).

 

STRATEGI PENGEMBANGAN TOKO SEPOOR LISTRIK

Reny Melyana Rukminto[1]

Abstract

Electricity Sepoor Store is a store which sell electrical and electronic equipment in the Weleri – Kendal.Electricity Sepoor Store is a family business that founded in 1984.Electricity Sepoor store have two consumer segments they are Business-to-Business and Business-to-Costumer.This research purpose to analyze external and internal environtment affecting electricity Sepoor Store and establish the strategy to be implemented in electricity Sepoor Store.The research is a qualitative descriptive uses a primary an secondary data obtained through interview with the management of electricity Sepoor Store.In the Research, the analytical techniques that used is the analysis internal factor(Strength and weakness),external factor(Opportunity and threat) and SWOT analysis for business development strategy,also use the analysis of STP (Segmentation,targeting,positioning), and 7P’s (Product, Price, Place, Promotion, People, Process, and Physical Evident) analysis for marketing strategy.In Business development strategy using IFE (Internal Factor evaluation) , EFE (External Factor Evaluation),and IE (Internal External) matrikx,that selected strategy to be advised for Electricity Sepoor Store is based on their actual conditions of Strengths,Weaknesses,Opportunities, threats.

Keywords : Store, SWOT analysis, IFE matrix, EFE matrix, IE – matrix, STP analysis, 7P’s analysis.

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (reny_melyana@yahoo.com)

JURNAL ORGANISASI DAN MANAJEMEN, Nopember 2014

cover Nop 2014

ANALISIS PENGARUH NET INCOME, OPERATING CASH FLOW DAN ECONOMIC VALUE ADDED TERHADAP HARGA SAHAM PADA PERUSAHAAN MANUFAKTUR SEKTOR MAKANAN DAN MINUMAN YANG TERDAFTAR DI BURSA EFEK INDONESIA PERIODE 2010-2012.

Robiet[1]

Abstract

This research is conducted to analyze the influence of net income, cash flow from operations and economic value added and stocks price of the public companies listed on Indonesia Stock Exchange. The sample of this research re consisting of 20 manufacturing companies that have been listed in the Indonesia Stock Exchange (IDX) for period 2010 – 2012. This research was also intended to know which performance measures have the most significant effect to the stock price. This research used linier regression to see the contribution from each independent variables influenced stock price. The hypotheses are net income, cash flow operation, economic value added significant influence to the stock price.

The empiric result indicates that all of the independent variables (net income, operating cash flow and economic value added) do not have significant influence to the stock price.

Keywords: Net Income (NI), Operating Cash Flow (OCF), Economic Value Added (EVA) and Stock Price

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (crobiet@yahoo.com)

 

STRATEGI ENTREPRENEURIAL MARKETING TOKO SEPEDA TJETJEP

Arifin[1]

Abstract

Small and Micro Enterprises (SMEs) is a business group that has the greatest number in Indonesia. SMEs proved resistant to a wide range of economic crisis and even shock has increased significantly. Development of SMEs indicated by the increasing number of business units and entrepreneurs, as well as its contribution to the employment of Gross Domestic Product (GDP) and non-oil exports, which it certainly led to an increase in national income. They faced high competition to reach their customers.Many companies try to win this competition. One of the parts within the company that contributes to win the competition is marketing. Marketing must be an important of the company because they are the front liner of the company. They usually seek the information of market, interact with the customers, serve their customers, and soon. In the course of persuade, get and keep their customers marketer must do the new marketing practice. The word entrepreneurial marketing came from marketing and entrepreneurship. Marketing is a societal process by which individuals and groups obtain what they need and want through creating, offering, and freely exchanging products and services of value with others. When the market value generated by this new combination of resources is greater than the market value these resources can generate elsewhere individually or in some other combination, the entrepreneur makes a profit. From the above explanation, the term „entrepreneurial marketing‟ is the spirit of entrepreneurship that implemented in the marketing activities. With the entrepreneurial marketing hope that the marketers can persuade, get and keep their customers more effective.

Keyword: Small and Micro Enterprises, entrepreneurial marketing, entrepreneurship, marketing, customers

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (tiliaryf@yahoo.com)

 

FAKTOR-FAKTOR YANG MENDORONG PERTUMBUHAN DAN PERKEMBANGAN KEWIRAUSAHAAN

Indra Widjaja[1]

Abstract

The purpose of this literature study is to determine the factors that influence the growth and development of entrepreneurship. Entrepreneurship has been growing for a long time and is supported by a lot of things. From the literature it is known that the factors that encourage entrepreneurial growth and development are, among others: The entrepreneur as hero; Entrepreneurship education; Economic and demographic factors; The shift to a service economy; Advances in technology; Free lifestyle; e-Commerce and the World Wide Web and International Opportunity. It is well known, there are four basic aspects of entrepreneurship, namely: Entrepreneurship involves the creation of a new value; Entrepreneurship requires some time and effort required; Awards become an entrepreneur and businessman will respond and create change through their entrepreneurial action.

Keywords : Kewirausahaan; Ekonomi; Penghargaan dan Perubahan

[1] Dosen Program Studi Magister Manajemen Universitas Tarumanagara dan Fakultas Ekonomi Universitas

Tarumanagara, Jakarta (Indraw63@yahoo.com)

 

PENGARUH KUALITAS LAYANAN, KEPERCAYAAN PELANGGAN, KEPUASAN PELANGGAN, LOYALITAS PELANGGAN, AKTIVITAS RELASIONAL, DAN NILAI PERSEPSI KONSUMEN TERHADAP WORD OF MOUTH POSITIF

(Studi terhadap Ritel Lotte Mart Taman Surya)

Yesika[1]

ABSTRACT

This study analyzes the factors that influence the Positive Word of Mouth. The object of this study is Lotte Mart in Taman Surya. In the current era of globalization, competition in all business sectors can not be avoided, both in manufacturing and services industries. The marketers are competing to market their products by advertise with high budget in various print media, radio, television and the internet. However, Word of Mouth is a traditional marketing methods which is a type of the most effective marketing activity in Indonesia. Word of Mouth occurs when customers share their opinions to others about about a brand, product, service. To build the positive results of WOM marketing in the company, each company needs to build positive WOM marketing programs. Retail business also needs find out how to build WOM. One foreign retailers which are doing expansion in Indonesia is Lotte Mart . Lotte Mart Indonesia, has prepared plans for store expansion in the second half of 2013. This South Korean retail company is planning to add one to two outlets Lotte Mart hypermarkets concept until the end of 2013 . The Modern Market as an object in this study is limited specifically Lottemart Hypermarket.

Keywords: Service Quality, Trust, Satisfaction, Loyalty, Relationship Effort, Perceived Value, Positive Word of Mouth.

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara(yesikadesign@yahoo.com)

 

PERUMUSAN STRATEGI BISNIS PT X DALAM DISTRIBUSI DAN

PEMASARAN PRODUK TEMBAKAU

Daniel Wijaya[1]

ABSTRACT

Even in the face of increasing regulations, tobacco companies adapt, develop innovative marketing strategies, and continue to market their products successfully. A strategy that has become more prevalent in tobacco marketing is to focus on building and maintaining relationships with individual consumers. This marketing often includes store coupons, sweepstakes, event announcements, and other materials that direct consumers to further tobacco marketing in retail stores, websites, and sponsored events. All of this can normalize tobacco use and reinforce brand identity. While likely quite impactful, this type of marketing has occurred largely under the radar of most tobacco marketing monitoring. This report shows the importance of developing strategies to monitor this type of marketing to gain a better understanding of the strategies used and the need to counteract them.

A firm’s relative position within its industry determines whether a firm’s profitability is above or below the industry average. The fundamental basis of above average profitability in the long run is sustainable competitive advantage. Strategic management is defined as the art and science of formulating, implementing, and evaluating cross-functional decisions that enable an organization to achieve its objectives.

Keywords:      Sustainable Competitive Advantage, Profitability

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara Daniel_wijaya03@yahoo.co.id

 

STRATEGI PENGEMBANGAN BISNIS UKM

KASUS: (TOKO X DALAM BIDANG AKSESORIS)

Indra I Jaya[1]

Abstract

Store is a family entreprise that engaged in the business of woman accesories in ITC Mangga Dua.  This research aims to increase the effectivity from the store and discover how worshop accesorries X is do a good and systematic entrepreneurial planning to maintain and develop accessories business in the midst of intense competition and a huge market potential.  The Intense competition due to competition in service and pricing with the other accessories store.  The conclusion of this research, implementation of entrepreneurial strategies in the store X affected by resource bundles that’s bond from resources, capability and competency.  Alternative strategy chosen by notice resource bundles that is owned store.  The chosen strategy is make a differentation product with adding the new products such as watch, bag, and shoes and also for the longterm strategy is opening new store in the orther big mall such Kelapa Gading, Central Park and Grand Indonesia. Implementation of entrepreneurial strategis can grow thos accessories store in the midst of intense competition and a huge market potential.  Adding the differentation of product and opening new store can also seize opportunities of order that is not fulfilled because of the distance of shope with potential consumer.

Keywords: Entrepreneurial Strategies, Store, Resource Bundles, Business to Business, Business to Customer

[1] Alumnus Program Studi Magister Manajemen Universitas Tarumanagara (Indraijaya@ymail.com)