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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 8 Documents
 1 
Search results for , issue "Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021" : 8 Documents clear
THE PREVENTIVE PRIORITY PLAN BASED ON THE CAUSALITY ANALYSIS OF THE CONSTRUCTION ACCIDENT Adwitya Bhaskara; Cahyo Dita Saputro; Abul Fida Ismaili; Nia Agustin; Syawaluddin Alim
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3493

Abstract

The case of construction accident that occurred mid-2019 and seized a lot of attention in the surrounding community is a construction accident on the implementation of underpass construction project located in Yogyakarta. The underpass excavation wall in this project collapsed then led two vehicles are fall. Although the types of accidents are almost identical to each project, it does not mean that the same reason causes the accidents. Various methods can carry out efforts to prevent work accidents, one of which is with assessment method and risk analysis using Analytical Hierarchy Process (AHP) which sub indicators are determined using Fault Tree Analysis (FTA). The method conducted with a review in the site by referring to Ministerial Regulation No. 21 year 2019 about the SMKK (Construction Safety Management System) guidelines. This research was conducted to identify the factors and indicators of management of thesupervisory consultant and the contractor. They had a significant influence and contribution to the implementation of the Yogyakarta Kentungan Underpass construction project. The results of this early-stage study served into two outcomes. First, the accuracy of the implementation of construction safety management system based on the assessment of the contractor is 85.938% and the percentage level of accuracy of the supervisory consultant is 97.29%. Both percentages fall into the category of Satisfactory Implementation Assessment because the valuation range is included between 85% to 100%. Second, after analyzing the risk using AHP method, the indicator that is used as a reference priority for the construction safety system of underpass construction projects and has the highest risk level that can causean underpass project construction accident from the contractor's point of view is the sub-indicator of supporting facilities and infrastructure with a risk level value of 0.042 whereas from the supervisory consultant’ perspective is the sub-indicator about to measuring the dimensions of the road building installed in the site with a risk level value of 0.052. Keywords: Assessment, FTA, Causality, Construction Accident, AHP.
STABILITAS DAYA DUKUNG LATERAL STRUKTUR KEPALA JEMBATAN DI TANAH LUNAK Dhiya Safira; Putera Agung Maha Agung
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3514

Abstract

Pile is a deep foundation types of system always used to support a bridge abutment in a highway line. Pile foundation as one part of the sub-structure system can retain and transfer all loads from the upper structure. According to government standard regulation, a configuration of pile foundation must be selected and serve all external lateral loads in safety limits according to government standard regulation, including static and dynamic loads. This study evaluates the lateral stability of bridge abutment at the Indrapura Kisaran Toll Road section 2 at STA. 153 + 509, which designed using prestressed round pile foundations. Broms solution is a selected method to evaluate the lateral stability of a single and or group of pile foundations embedded in sand or sandy layers. From some design calculations, a configuration of 40 piles with a diameter of 50 cm shows adequately strong to resist all the lateral forces at the field. Keywords: Foundation, Piles, Sand.  
STUDI NILAI KUAT GESER TANAH LUNAK BERDASARKAN BESARNYA PENURUNAN YANG TERJADI Istiatun Istiatun; Handi Sudardja; Yuwono Yuwono
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3794

Abstract

Soft soil is not suitable for supporting construction that stands on it because it has low shaman power, high compressive properties, and little stability. The compressibility of the soil certainly affects the existing construction, especially if the settlement that occurs due to the compression of the soil is not permitted. While the low bearing capacity of the soil causes the design load cannot be carried out directly, it is generally given in stages. The advantage of providing the load that gradually causes the density of the soil will increase. The soil with increased density will increase the carrying capacity of the soil so that it can accept the load of the next stage. Increasing in bearing capacity is given due to the magnitude of the land subsidence that occurs. It is necessary to test with laboratory modeling. Soil samples were put in the test basin and given additional water to determine how things were in the field if the soil experienced an increase in water content. Soil samples were loaded and recorded the amount of settlement that occurred. Increasing bearing capacity by conducting direct shear test changes in the soil bearing capacity parameter values is known to correlate the magnitude of the decrease in soil that occurs. In addition, an analysis of changes in water content and soil volume weight was also carried out due to the magnitude of the decrease. From the test modeling results in the laboratory with a test basin, it was found that the greater the value of soil subsidence, the higher the cohesion value of the soil and the lower the shear angle in the soil. For soil, water content is inversely proportional to the decrease, the more significant the decrease, the smaller the water content. Meanwhile, the weight of the soil volume is directly proportional; the more significant the decrease that occurs, the greater the weight of the volume of the soil. Keywords: Settlement, Shear Strength Parameter, Soft Soil, Direct Shear Test.
IDENTIFIKASI POTENSI BAHAYA DAN PENGENDALIANNYA PADA PEKERJAAN BEKISTING ALUMA SYSTEM PROYEK X Kusumo Dradjad Sutjahjo; Tri Wulan Sari; Fadhlina Sahara
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3847

Abstract

Work at height is a job with a high risk of accidents, such as in the formwork aluma system. Weak supervision and a lack of knowledge of the workforce on potential hazards and risk control of the formwork aluma system are some of the causes of the high incidence of work accidents in this work. This research was conducted on the formwork aluma system of the BRI Gatot Subroto tower project, South Jakarta. The goal is to determine the potential hazards and risk control of aluma system formwork. Risk analysis is carried out using the AS / NZS 4360: 2004 standard to determine the level of risk to the potential hazards of the aluma system formwork. Potential hazards in the formwork aluma system are falling, bumping, being cut, punctured and crushed, with the level of risk being at high, substantial, medium and low levels. Risk control is carried out by the control hierarchy, namely elimination, substitution, engineering, administration, and control of PPE. Keywords: AS / NZS 4360: 2004, Risk Analysis, Hazards, Aluma System Formwork.
PEKERJAAN RETAINING WALL PROYEK JALAN TOL DEPOK – ANTASARI, DEPOK - INDONESIA Febri Triwahyu; Habsyah Dwieka Mahrum; Yu wono
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3900

Abstract

Implementation of construction method must be achieved in terms of cost, quality and time planned. The use of appropriate work methods is beneficial in the completion of construction. The implementation of the RW-3 Retaining Wall work on the Depok-Antasari Paket 1 Selatan Toll Road Project at Sta 6 + 020 - 6 + 100, Depok - West Java. Must choose the proper construction method because the project area is located close to traffic flow on public roads that can cause traffic disruptions; therefore, effective, and efficient time management is needed in its implementation. This final project aims to find out the process of carrying out the bored pile and retaining wall foundation work, which includes preparatory work, measurement/surveying work, drilling work, lean concrete work, reinforcement fabrication, installation of formwork, and casting. In carrying out its work, an analysis is made of labor productivity, tools, and materials that influence the time of work implementation. In addition, the other goal is to find out the obstacles that occur in the field and the solutions made in solving these obstacles. The implementation of all work went well according to plan because selecting a suitable method and anticipating obstacles that occur in the field. Keywords: Bored Pile, Constraints, Productivity, Retaining Wall, Work.
PELAKSANAAN PEKERJAAN STRUKTUR ATAS DENGAN BETON PRACETAK PADA PROYEK GEDUNG Sri Haryati; Andrias Rudi Hermawan
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3901

Abstract

The implementation of upper structure works in the BPJS Kesehatan Jakarta Pusat building project, using conventional reinforced concrete in the process which requires a long time. However, the needs for constructing a BPJS building service center encourages effective and efficient methods of carrying out structural work in terms of timeliness, practicality, strength, and stability of the structure. Precast reinforced concrete structures as an alternative technology in carrying out structural work have several advantages over conventional reinforced concrete. The main differences are the connection, concrete quality, and erection; significantly related to the cost and time of implementation. This study aims to calculate the connection using the wet connection system, analyze aspects of cost, quality, time, and work implementation of the use of precast reinforced concrete by making comparisons using conventional reinforced concrete in the BPJS Kesehatan Jakarta Pusat building project. This research was conducted by analyzing the method of carrying out structural work on precast concrete. The data needed is in the form of unit yard prices, Standard Operating Procedures for implementing precast concrete works, unit prices for precast concrete products. Data collections are done by direct observation and interview with Project Manager. Calculation of distribution length for precast concrete joints refers to SNI 2847: 2013 while the cost of precast concrete refers to SNI 7832: 2017. The results of the study stated that lap-splice (ld) for the 420 mm beam-beam connection of 228 mm hooks, 320 mm beam of 228 mm hooks, between the plates of 150 mm, columns of 880 mm; the cost decreased 25,43% compared to conventional concrete; precast concrete takes 56 days, 7 days faster or 11,11% compared to conventional concrete. Keywords: Precast Concrete, Implementation Method, Joint, Cost and Time.
PENGARUH KADAR AIR DI ATAS OMC PADA TANAH EKSPANSIF TERHADAP KUAT DUKUNG TANAH DAN KEMBANG SUSUT Fadel Muhammad Haykal; Zana Hary Barus; Sutikno Sumomihardjo
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3905

Abstract

Many regions in Indonesia have a variety of soil types, one of which is expansive soil. Expansive soil has high shrinkage to be used as one of the road construction materials. The problem that is often faced in road construction with a subgrade layer of expansive soil is the high swelling potential. This research aims to find out the soil bearing capacity of expansive soil as subgrade layer when given a variation in water content above the value of OMC with 2 conditions,  soaked and unsoaked. From research results it was found that the increase of water content and treatment conditions on the soil affected the soil bearing capacity of the soil, where in the  unsoaked conditions, the higher the water content the greater the soil bearing capacity is. In soaked conditions, the higher the water content, the smaller the soil bearing capacity is. The higher the water content is, the smaller the swelling is. Keywords: Expansive Soil, Compaction, OMC, CBR, Shear Strength, Swelling.
ANALISIS SIFAT FISIS AGREGAT HALUS PASIR DAN LIMBAH PLASTIK Muhtarom Riyadi; Tri Wulan Sari
Construction and Material Journal Vol. 3 No. 2 (2021): Construction and Material Journal Vol. 3 No. 2 Juli 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i2.3935

Abstract

Based on SNI 03-2847-2002, concrete can be defined as a mixture of cement, fine aggregate, coarse aggregate, water, and with or without other additives. The purpose of this study was to analyze the physical properties of fine aggregate sand and plastic waste such as SSD specific gravity, SSD specific gravity, bulk density, sieve analysis, moisture content, and sludge content. According to the Indonesian National Standard (SNI), the method used is the observation method by conducting direct testing in the laboratory. The results obtained indicate that the study of fine aggregate sand by testing SSD bulk specific gravity, bulk density, sieve analysis, moisture content, and silt content meet the standard specifications for making concrete. At the same time, the research conducted on the fine aggregate of plastic waste did not meet the specifications.  Keywords: Aggregate, Physical Properties, Sand, Plastic Waste.

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