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Construction and Material Journal
Published by Politeknik Negeri Jakarta
ISSN : -     EISSN : 26559625     DOI : https://doi.org/10.32722/cmj
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Construction And Material adalah jurnal Teknik Sipil yang mencakup bidang keahlian Dasar Teknik, Struktur, Material, Manajemen Konstruksi, Tata Laksana, Transportasi, Sumber Daya Air dan Lingkungan, Geoteknik, Pengukuran dan Jalan Raya. Jurnal ini diperuntukkan bagi mahasiswa, pengajar, dan masyarakat luas yang ingin mempublikasikan karya ilmiahnya dan belum pernah dipublikasikan dimanapun. Jurnal ini terbit secara berkala, tiga kali dalam setahun (Maret, Juli, dan November). - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Construction And Material Journal is one of journals in the discipline of Civil Engineering from vocational school, covering basic of Civil Engineering; Structure, Material Technology, Construction Methods, Construction Management, Water Resources and Environmental Engineering, Geotechnical Engineering, Surveying and Highway Engineering. This journal is intended for engineering student, lecturer, professional and engineering assosiation member in civil works, and other community in Civil Engineering. The journal offers the Authors to publish their paper works in the Civil Engineering from their research result, work experience, etc and never published it in elsewhere. The journal issues would be published in three times a year (March, July and November). - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 210 Documents
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PENGGUNAAN AHP UNTUK PEMILIHAN METODE PERENCANAAN ANTARA KONVENSIONAL DENGAN BIM PADA REDESIGN PROYEK KONSTRUKSI Iwan Supriyadi; Aland Hasbi
Construction and Material Journal Vol. 1 No. 3 (2019): Construction and Material Journal Vol. 1 No. 3 November 2019
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v1i3.2425

Abstract

Abstract  During the construction projects, delays usually happen which are mainly caused by reworks, where 60% of reworks are caused by design failure. Since designs have a major impact on construction projects, there are methods to correctly create a design. Three methods of planning that can be done are conventional, semi-conventional, and BIM methods. The three methods have both advantages and disadvantages. Decision making for method selection for redesigning is very crucial to avoid delays to a project. The three main criteria in method selection are cost, time, and system. This research was done to decide the main criteria, sub-criteria, and an alternative in decision making of method selection for redesigning through the use of AHP (Analytical Hierarchy Process) and analyze conditions on the field with the result of AHP analysis. The result showed that cost was the main criterion with a weight if 0.40 and the sub-criterion for the cost was the HR  training cost with a global weight of 0.21. Alternative planning method selected was the BIM method with a global weight of 0.66. The result of field analysis showed that BIM planning method was 60.4% faster than the conventional method with an increase of training cost by 62.5%. The conclusion of this research was that BIM planning method was more efficient than conventional and semi-conventional planning in the process of re-design.Key words: Re-design, Conventional, BIM, AHPAbstrak Pada pelaksanaan proyek konstruksi, keterlambatan dengan rework menjadi penyebab utama dimana 60% penyebab Rework disebabkan oleh kesalahan desain. Besarnya dampak desain pada proyek konstruksi maka berbagai cara dilakukan untuk menyelesaikan proses desain dengan tepat. Tiga metode perencanaan yang dapat dilakukan yaitu Metode Konvensional, Metode Semi Konvensional, dan Metode BIM. Ketiga metode perencanaan tersebut sama-sama memiliki kelebihan dan kekurangan. Pengambilan keputusan saat pemilihan metode perencanaan pada pekerjaan re-design sangat krusial dalam mengurangi keterlambatan proyek. Banyaknya variabel dan kurangnya kriteria obyektif menyulitkan proses pemilihan metode perencanaan re-design. Tiga kriteria utama dalam proses pengambilan keputusan dalam pemilihan metode perencanaan re-design yaitu biaya, waktu, sistem. Penelitian ini dilakukan untuk menentukan kriteria utama, subkriteria dan alternatif dalam penentuan pengambilan keputusan dalam pemilihan metode perencanaan re-design dengan menggunakan metode AHP (Analytical Hirerachy Process) dan menganalisa kondisi di lapangan dengan hasil analisis AHP. Hasil penelitian menunjukkan biaya menjadi kriteria utama dengan bobot sebesar 0.40 dan subkriteria yang terpilih adalah biaya pelatihan SDM dengan bobot global sebesar 0.21. Alternatif metode perencanaan yang dipilih adalah metode perencanaan BIM dengan bobot global sebesar 0.66. Hasil analisis lapangan juga menunjukan bahwa metode perencanaan BIM lebih cepat 60.4% dari metode perencanaan konvensional dengan peningkatan biaya pelatihan sebesar 62.5%. Simpulan dari penelitian ini adalah Metode Perencanaan BIM lebih efisien daripada Perencanaan Konvensional maupun semi-konvensional dalam pengerjaan re-design.Kata kunsi : Re-design, Konvensional, BIM, AHP
PENGARUH PENAMBAHAN LIMBAH GIPSUM TERHADAP KUAT TEKAN BETON Rafki Imani; Widiawati Purba; Rainaldi S Nainggolan
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2752

Abstract

Concrete is composed of three main constituent materials, namely cement, aggregate and water. The development of concrete technology in the trial of adding a mixture of materials continues to be done to achieve the desired strength and quality. In this experiment, the addition of gypsum waste was used as a concrete mixture to determine its effect on the compressive strength of concrete. The variation in the percentage of the addition of gypsum waste is 5%, 10%, and 15% with the age of treatment observed at 14 days and 28 days. The results showed that the normal compressive strength value at 14 days was 186.87 kg/cm2, while with the addition of gypsum waste mixture the concrete compressive strength at 5%, 10% and 15% were obtained 178.45 kg respectively /cm2, 101, 01 kg/cm2, 70.71 kg/cm2. Meanwhile the compressive strength value of normal concrete at 28 days is 164.44 kg/cm2, and the compressive strength value of concrete after mixed with gypsum waste at 28 days is obtained 157.04 kg/cm2, 88.89 kg/cm2, 62.22 kg/cm2. Based on the results it can be concluded that the addition of gypsum waste as a concrete mixture material can reduce the compressive strength values of normal concrete. Keywords : Concrete, Compressive Strength, and Gypsum Waste.  
POTENSI PENERAPAN SISTEM ELECTRONIC ROAD PRICING (ERP) DI DKI JAKARTA Firya Adilah; Achmad Nadjam
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2753

Abstract

The increasing needs of community travel in DKI Jakarta area that is not balanced with the growth of roads have resulted in traffic congestion. One effort to address the problem is to implement a traffic restriction policy using Electronic Road Pricing system (ERP). This research aims to analyze the existing condition of traffic characteristics on the road sections reviewed, analyze the opportunities of road users mobility against ERP system, and analyze the potential implementation of ERP system. Data collected from traffic survey results and distribution of questionnaires to users of four-wheeled vehicles. To analyze the existing condition of traffic characteristics using the calculation method of Pedoman Kapasitas Jalan Indonesia 2014, and to analyze the chances of  road users to ERP system using binary Logistic regression analysis method. Meanwhile, to analyze the potential implementation of ERP system is to compare the cost of congestion before ERP with predictions when ERP policy is implemented. From the results of the calculations and analysis, the road condition will experience a decrease in vehicle volume by 50% when ERP system is applied so that the degree of saturation in the road is very good compared to the condition before implementation of ERP system. Besides, there are congestion cost savings of Rp.532,291.998/hour for rush hour and Rp.294,167.785/hour for peak hours when ERP system is implemented. Therefore, the result is that the ERP system has good potential to be applied to reduce congestion in DKI Jakarta. Keywords : Congestion Cost, Traffic, Electronic Road Pricing (ERP), Displacement Opportunities.
ASESMEN, PERKUATAN DAN PERBAIKAN BANGUNAN NON-ENGINEERED PERUMAHAN MEKAR MELATI KELURAHAN LUBUK MINTURUN KOTA PADANG PASCAGEMPA 2009 Rafki I Imani; Sofia Anita; Sonya Ostha Laurency; Fakhru Rozi
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2754

Abstract

The West Sumatra Earthquake on September 30, 2009, which also hit Padang City, caused most of the buildings to be severely and slightly damaged. This paper discusses the types of damage, repairs and reinforcement of residential houses in Mekar Melati Housing, Lubuk Minturun Sub-District, Padang City, West Sumatra. Data were collected using direct survey and assessment on both houses that have been severely damaged or slightly damaged. After the 2009 earthquake, the residential houses in the Mekar Melati housing complex in Lubuk Minturun, generally suffered severe damage and slight damage. The reason is that the building there is included in the category of very simple houses. Building materials used without slof, let alone walls that only use hollowbrick material, of which if the material is not plastered it will become brittle, resulting in the building easily collapsing. Keywords: Damage, Earthquake, Residential Houses, Repairs and Reinforcement.
VARIASI JUMLAH TUMBUKAN PADA PEMADATAN CAMPURAN BETON ASPAL MENGGUNAKAN BAHAN TAMBAH ANTI STRIPPING Eko Wiyono; Anni Susilowati
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2755

Abstract

The objectives of the research were to obtain the Marshall properties of asphalt concrete mixture mixed with variations of manual compact collisions and to determine the optimum number of compactions collisions in the asphalt concrete mixture using anti stripping additives. The independent variables in this research are variation of the number of compaction collisions of asphalt concrete as many as 2x50, 2x75, 2x100, 2x125 and 2x150, with optimum asphalt content of 6%, and Wetfix Be 0,3% to optimum asphalt content. Marshall test method used in this research was based on SNI 06-2489-1991. The dependent variables (research parameters) included percent of cavities in the aggregate (VMA), percent of cavities in the mix, percent of cavities filled in asphalt (VFB), percent of cavity to mix (VIM), stability, melting, and Marshall Quotient. The result showed that the optimum number of compactions of asphalt concrete was 2x100 with Marshall properties value fulfilling SNI 8198-2015 specification. In Asphalt concrete mixture with optimum asphalt content (KAO) of 6%, Wetfix Be level of 0,3%, optimum number of compactions of 2X100, could be obtained by Aggregate (VMA) cavity 17.50%; Asphalt filled cavity (VFB) 76.50%; Cavity to Mixture (VIM) 4,00%; Stability of 1800.00 kg; Melting of 3.75 mm; and Marshall Quontient 500.00 kg/mm Keywords: Anti Stripping, Collision, Compaction, Wetfix Be.
ANALISIS DAN RESPON RISIKO PADA PROYEK KONSTRUKSI GEDUNG Yayah Sopiyah; A’isyah Salimah
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2757

Abstract

High-rise Building construction projects can be said as high-risk projects, this is based on the construction process which usually takes a long time and is complex, so that it can cause uncertainties that create various risks. Risk is a combination of the probability of an event and the impact of that event. The impact of risks can affect productivity, quality and project cost budgets. The purpose of this study is to identify the risks that occur in the magnitude of the influence on building construction projects and analyze the risk responses that occur at building construction projects. In this research, risk analysis, risk identification and risk response carried out at two different building construction projects with two different contractors. Risk identification carried out by conducting a literature study, assessing the frequency / probability of risk and assessing the impact of risks using the Severity Index, identifying risks using the Probability Impact Matrix. From the results of the analysis it has been concluded that there is one risk variable that is included in the large category, the risk variable is the "estimated time error". The risk response discussed is to the estimated time error, design changes and changes in the schedule of work implementation. Large percentage of risk variables, which affect the performance or implementation of construction projects is the estimated time error of 67.8%, a change in design: of 23.9% and changes in the work implementation schedule of : 8.3%. Keywords : Risk, Risk Response, Building Construction Projects.
ANALISIS DINAMIK RESPON STRUKTUR GEDUNG BERATURAN DAN KETIDAKBERATURAN HORIZONTAL Ummi Khoirunnissa; Rinawati Djakfar; Yanuar Setiawan
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2758

Abstract

Indonesia is a country with geographical location where 4 large tectonic plates meet. Therefore, if a collision or frictionhits the country, it is vulnerable to earthquakes. This condition makes the buildings more vulnerable to earthquakes. The effect of earthquake force and the performance of the resulting structure will be different if the same load is applied to a regular building and to an irregular building. The method to calculate the effect of the earthquake on the analysis of high-rise building structures in this study used dynamic analysis with spectrum response referred to SNI 03-1726-2012 and 2013 ETABS software program assistance (13.1.1 build 1035). This study aimed to compare the performance of the structure based on the deflection value and the story drift limits in regular and irregular buildings. In this study, the response of structural performance on three building models was calculated with variations in horizontal structure irregularity and then the results were compared. In this research, the biggest deflection was resulted on the re-entrant corner irregularity model C in the x-direction of 7,219 mm and the y-direction of 4,244 mm. Based on the deflection value in the x-direction and y-direction on all building models, the story drift due to the effect of the earthquake plan was less than Delta-a, wherein this study obtained Delta-a by 80mm, so it could be concluded that it was safe against the story drift limits in SNI-03-1726-2012. Keywords: Spectrum Response, Deflection, Horizontal Irregularity.
PERKUATAN DAN STABILISASI BADAN JALAN MENGGUNAKAN SISTEM PLAT SPUN PILE Putera Agung Maha Agung; Dea Putri Tsabita
Construction and Material Journal Vol. 2 No. 1 (2020): Construction and Material Journal Vol. 2 No. 1 Maret 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i1.2759

Abstract

Some damages of the Jalan Lintas Selatan Road, Suradita-Kranggan has occured every year with the identical failure cycle. One of the effort to make problem solving is to replace the base of road body construction with a concrete plate construction supported by circular pre-stressed concrete pile foundation (spun pile) system. The system will carry on the upper structure or embankment (subgrade) since the below of the structure exists soft soil layers and the depth of hard layer soil reachs more than 10 m. Later on, all vertical and horizontal forces including moments caused by the external loads can be retained by the plate and spun pile foundation system. The purpose of the study is to calculate the bearing capacity, negative friction force, settlement of spun pile group with using field test data (SPT and CPT); and diameter variation of pile is 30 cm to 50 cm. From calculations with the average length of 1400 cm and diameter of 50 cm can be determined bearing capacity of 298.9 tons by SPT and 504.3 tons by CPT data, respectively. Then, lateral bearing capacity is 168.5 tons (free pile head) and 344.2 tons (fixed pile head). The settlement occurred of a single pile foundation is 9.40 cm. The results of negative friction resistance were obtained is 81.9 tons. The group piles is designed of 2 (two) rows and 3 (three) columns and can be safe for receiving the construction and traffic loads. Based on the analysis results, the concrete plate and spun pile system has fullfilled to design criteria. Keywords: Spun Pile, Bearing Capacity, Negative Friction, Settlement, Pile Group.
CASH FLOW PROYEK DENGAN SUMBER MODAL BANK SYARIAH PADA PEMBANGUNAN DAN REHABILITASI GEDUNG PELAYANAN KESEHATAN PEMERINTAH KABUPATEN GUNUNG KIDUL Vendie Abma; Fitri Nugraheni; Metalindra Metalindra
Construction and Material Journal Vol. 2 No. 2 (2020): Construction and Material Journal Vol. 2 No. 2 Juli 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i2.3088

Abstract

A construction project has several factors that affect the success of a project. One of the factors was an optimal project’s cash flow. Optimizing cash flow of a construction project can be done by making several cash flow plans, and choosing the best one considering appropriate project’s time and cost constraints. The purpose of this study is to obtain an optimal cash flow plan on a construction project using a capital loan from Sharia Bank. This research will be carried out on a specific project which is Construction and Rehabilitation Project of Government Health Service Building, District of Gunungkidul. In this study, the method used to analyze data is to make several project cash flow based on “Earliest Start” scheme by determining the duration for each activity and creating a network diagram using the Precedence Diagram Method (PDM). The final step is analysing the cash flow by calculating negative overdraft for each cash flow plan to determine the amount of capital loan from Sharia Bank and then comparing profits to obtain the optimal one. Analysis and discussion reveal that on the system of given Down Payment, and Project’s Termyn 50%, 75% and 100%, and a loan from Sharia Bank it is found that the optimum cash flow will make profit of 7.49%. Keywords: Cash Flow, Earliest Start (ES), Optimal Profit, Sharia Bank.
PENERAPAN KONSTRUKSI HIJAU PADA PROYEK APARTEMEN X DI JAKARTA PUSAT Narisa Adistianti; I Ketut Sucita
Construction and Material Journal Vol. 2 No. 2 (2020): Construction and Material Journal Vol. 2 No. 2 Juli 2020
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v2i2.3089

Abstract

Along with the Jakarta Governor rules no. 38/2012 about green building, The Contractors in the capital has been practicing to implement green construction in building construction. This is done by a contractor state-owned or private contractor. The purpose of this research is analyzing the application of green construction by state owned contractors who is not a member of green building council Indonesia. Collecting data which used in this research was questionnaire, observation, and documentation. The reference of indicators are from regulations, rating tools GBCI and models assessment green construction developed by Wulfram Ervianto. The Indicators are health program and occupational safety, environmental health work, air quality construction phase, election and operational construction phase, planning and scheduling construction equipment, documentation construction project, building & enviroment management, training for subcontractor, waste management, the source and cycle construction, material storage and protection, appropriate site development, reduction ecological footprint the project, protection plan, water conservation, and efficiency & energy conservation. The method of analysis data questionnare are descriptive analysis. The result of research is average value of the implementation of green construction by 85,08 % which means that green construction points of the indicators as a whole has taken and implemented by contractor. Keywords: Green Construction, Construction Phase, GBCI.

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