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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 168 Documents
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ANALISIS QUANTITY TAKEOFF PADA PEKERJAAN STRUKTUR BAWAH JEMBATAN Roja Nafiyah; Nunung Martina
Construction and Material Journal Vol. 4 No. 2 (2022): Construction and Material Journal Vol. 4 No. 2 Juli 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v4i2.4755

Abstract

Technological developments in the construction sector are expanding, also supported by government regulations. BIM (Building Information Modeling) is one of the technological developments in the construction world. It is expected to help workers minimize errors that will harm the project. Projects that humans still interpret are prone to errors due to human error. This study aims to model three dimensions that function to realize the plan, examine differences in the results of BIM-based quantity takeoff using Autodesk Revit software with conventional methods in one of the bridge structures in Cinere - Jagorawi Toll Project Section 3A, and interview BIM experts with an aim to determine the factors that can affect BIM-based QTO output from the user's perspective. The two QTO outputs produce a difference of ± 0.32% in the volume of the concrete structure and ± 2.28% in the reinforcement volume, where the BIM-based QTO results are lower than the conventional method. The factors that affect the output of BIM-based QTO from the user's point of view, namely (a) the long duration of BIM user’s experience affects the accuracy and details in the modeling, which will affect the QTO output, and(b) the longer the duration of experience and practice time the higher the level of detail and accuracy. The results of the QTO are especially important in determining the overall project cost. An inaccuracy in conducting the QTO will have fatal consequences that can harm the project. Keywords: Autodesk Revit, BIM (Building Information Modeling), Conventional Method, Quantity Takeoff.
EVALUASI KAPASITAS STRUKTUR BAWAH JEMBATAN INTEGRAL Miftah Hadibrata M.; Andi Indianto
Construction and Material Journal Vol. 4 No. 2 (2022): Construction and Material Journal Vol. 4 No. 2 Juli 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v4i2.4759

Abstract

The construction of integral bridge Overpass Cilenggang 1 on the Serpong – Balaraja Section 1A Toll Road Construction Project was built on soft soil. This evaluation aims to analyze the strength of the integral bridge substructure and justify the strengthening of the substructure if it is not strong enough to withstand the load in accordance with SNI 1725:2016. The evaluation substructure of the integral bridge capacity used SAP2000 software with the load accordance to SNI 1725:2016 for bridge loading. The result of the research show that the capacity of the integral bridge Overpass Cilenggang 1 structure is strong enough to withstand the working load because the reinforcement capacity used for the substructure is stronger than the reinforcement from the result of analysis with SAP2000 software. Based on the result of the research, it can be concluded that the reinforcement used for Overpass Cilenggang 1 substructure is strong enough to withstand the load working on structure and there is no need to justify the reinforcement for the integral bridge substructure. Keywords: Evaluation, Integral Bridge, Load, Reinforcement, Substructure.
OPTIMALISASI LETAK TOWER CRANE TERHADAP WAKTU SIKLUS PADA PROYEK Y Satrio Mahardhika; Afrizal Nursin
Construction and Material Journal Vol. 4 No. 2 (2022): Construction and Material Journal Vol. 4 No. 2 Juli 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v4i2.4779

Abstract

In a construction project, there are various kinds of very complex activities. Therefore, heavy equipment, especially Tower Cranes is used to assist the work on the construction project. The layout of the Tower Crane must be considered because the optimal location of the Tower Crane will result in efficient cycle times and productivity values. Thus, the purpose of this study is to obtain the factors that must be considered in determining the location of the Tower Crane, and the location of the Tower Crane that is the most optimal and efficient in the project under review. In this study, 3 scenarios will be conducted according to the feasible area and the location of the Tower Crane closing to the building structure in under construction. Scenario 1, is the existing location in project Y. In scenario 2, the setting out of location of Tower Crane 1 is moved to coordinates (152.10; 43.30) and Tower Crane 2 is moved to coordinates (41.36; 29, 38). Scenario 3, the location of Tower Crane 2 is set to coordinates (36.60; 21.38). Analysis and comparison of the cycle time and productivity of Tower Crane were conducted on this paper. Result of the lowest total cycle time of 17277.32 minutes was obtained in scenario 3, 1048.53 minutes faster than the existing condition (scenario 1). In addition, the highest productivity value was obtained in scenario 3, with 5078.00 kg/hour for Tower Crane 1 and 5559.73 kg/hour for Tower Crane 2. From analysis performed for (3) three scenarios, Scenario 3 was also considered as the most optimal scenario based on several consideration factors in determining the location of the Tower Crane. Keywords: Cycle Time, Optimization, Productivity, Scenario, Tower Crane.
STUDI USIA PEKERJA DAN KEPEDULIAN TERHADAP BAHAYA DI LINGKUNGAN PROYEK KONSTRUKSI Jonathan Saputra; Suripto #; Farah Zul Faykal
Construction and Material Journal Vol. 4 No. 2 (2022): Construction and Material Journal Vol. 4 No. 2 Juli 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v4i2.5086

Abstract

The development of the construction industry shows increasingly stringent and complex challenges. The high number of work accidents in Indonesia is caused by several reasons, one of which is the lack of workers' awareness of the dangers contained in project work. This gives a signal that young people have the potential to lack awareness of safe behavior. This study aims to determine whether young workers are one of the causes of work accidents in the construction environment, the level of workers' awareness of hazards, and the dominant factors that affect the level of workers' awareness of hazards in the construction environment. Factors that affect the level of worker concern about hazards in the construction environment include the availability of complete PPE, strict sanctions against workers who violate SHE regulations, and the availability of a special unit that manages SHE. The method to analyze the data was one-sample t-test. From the research result, young workers still become one of the factors of work accidents, and the level of awareness of young workers towards hazards in the construction environment is still minimal or low. The dominant factor that affects the level of concern for workers to hazards in the construction environment is the availability of a special unit that manages SHE. Keywords: Work accident, Young worker, Level of awareness of worker.
PERBANDINGAN DAYA DUKUNG FONDASI TIANG BOR MENGGUNAKAN METODE REESE & WRIGHT DAN MEYERHOF Yelvi Yelvi; Muchsin Farid Habibie; Putera Agung Maha Agung
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

The Serang-Panimbang Toll Road Construction Project is one of the National Strategic Projects (PSN) with a total length of 83,677 km. The main bridge 18, which is one of the projects on the toll road section, has a drill pile foundation for its substructure. The drill pile foundation is a pile foundation that is installed by drilling the ground first, then filling it with reinforcement that has been assembled and cast in concrete. The foundation has a slope that is less than the permitted slope to support the load above it and is built to withstand both vertical and horizontal stresses. This study compared the Reese & Wright method with the Meyerhof method, two bearing capacity estimation techniques. The comparison aims to determine whether the outcomes of the two approaches utilized significantly differ from one another. The findings of the SPT test were used to conduct the analysis of bearing capacity. In this work, drill piles with a 1 m diameter and 15 m depth were used. According to the analysis's findings, the permit's bearing capacity using the Reese & Wright approach was 246.20 tons, however the permit's bearing capacity using the Meyerhof method was found to be 541.87 tons. For the Reese & Wright approach, the single drill pile decreased by 9,07 mm, and the group pile decreased by 25,7 mm; for the Meyerhof method, the single drill pile decreased by 9,17 mm, and the group pile decreased by 25,34 mm. Furthermore, it was found from both methods of calculating the bearing capacity that both stable static loads and dynamic loads work so that the foundation can be categorized (P max < Q single permit). The ratio of the bearing capacity of the single mast permit on the Reese & Wright method compared to the Meyerhof method is 0.478:1. Keywords: Bearing Capacity, Drilled Pile, Stability.
ANALISA DAYA DUKUNG AKSIAL FONDASI TIANG PANCANG PADA PROYEK PEMBAGUNAN FONDASI ABUTMENT JPO Juan Kevin Sinaga; Andikanoza Pradiptya
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

A foundation is a sub-structure of the building that transfers all loads from the superstructure to the ground or soil layers. A foundation structure is used to avoid ground and differential settlement (Iwan et al., 2018). This study aims to determine the soil foundation bearing capacity using the Schmertmann, Nottingham, and Meyerhof methods. All data was obtained from the field CPT test. The two methods differ slightly; Meyerhof produced the best results when determining the bearing capacity of a single pile.  Keywords: Soil Bearing Capacity, Calculation Method, Meyerhof, Schmertmann & Nottingham.
ANALISIS PENGARUH PENAMBAHAN LIMBAH PAKU TERHADAP SIFAT MEKANIS BETON NORMAL Teuku Muhammad Bhima; Muhtarom Riyadi; Lilis Tiyani
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

The use of steel fibres as a concrete mixture can prevent cracks due to loading, the heat of hydration, and shrinkage. However, the availability of steel fibre is still limited, and it is expensive enough that alternative materials are required, which may reduce the economic value. This research aims to analyse the effect of an easy-to-find alternative material, namely plywood nail waste, on the properties of normal concrete. Concrete properties tests include compressive strength, split tensile strength, flexural strength, and modulus of elasticity. This research was conducted by mixing concrete with nail waste material with variations of 0%, 1%, 1.5%, and 2% of the weight of the concrete. Concrete samples in the shapes of cylinders and beams are required for this study.  The results showed that using nail waste can reduce the compressive strength of 28-day-old concrete and the modulus of elasticity as the variation of the nail waste increases. However, the use of nail waste in certain variations can increase the split tensile strength and flexural strength of concrete. Split tensile strength measurements after adding nail waste with varying amounts of 0%, 1%, 1.5%, and 2% were 2.279 MPa, 2.408 MPa, 2.068 MPa, and 1.583 MPa. The optimum variation was 1%, with an increase of approximately 5.64% of concrete without mixed waste nails. The variation of nail waste also produces flexural strength values of 1.95 MPa, 2.47 MPa, 2.21 MPa, and 1.43 MPa, so the optimum variation is 1%, with an increase of about 26.67% from the concrete without nail waste mixture. Keywords: Normal Concrete, Waste Nail, Mechanical Properties.
PENGARUH PENERAPAN SMKK TERHADAP PENGENDALIAN RISIKO PEKERJAAN STRUKTUR ATAS JEMBATAN Amalia Fitriani; Kusumo Dradjad; Jonathan Saputra
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

An important step toward preventing work accidents on construction projects is the implementation of Sistem Manajemen Keselamatan Konstruksi (SMKK). According to Peraturan Menteri PUPR No. 10 Tahun 2021, The X Highway is a project with a high safety risk rating. This study examines how SMKK elements are applied and how that application influences risk management during bridge upper structural work. Examining documents, conducting interviews, and distributing questionnaires are all examples of data collection techniques. The first analysis involved determining whether each document was appropriate for each element before dividing the number of indicators attained by the total number of indicators. The SPSS application was used to carry out statistical computations for the second analysis. According to the findings, the X highway Project has an average value of 92% of the SMKK implementation rate, indicating a satisfactory application rate.From the results of hypothesis tests on the application of SMKK elements to risk control, of the five SMKK element variables, three SMKK elements partially have a significant effect, and simultaneously, the SMKK element variables have a significant effect. The results of the projection of the multiple linear regression equation on the value of the level of application of the SMKK element show that the Perencanaan Keselamatan Konstruksi and Operasi Keselamatan Konstruksi elements have a low value of risk control influence compared to other SMKK elements. So, it has a higher possibility that these elements will be a source of risk to the upper structure work of the X Highway Project. Keywords: Risk of Control, SMKK, Upperstructure of the Bridge.
ANALISIS STABILITAS TIMBUNAN DENGAN PERKUATAN GEOTEKSTIL DAN CERUCUK Fahrita Sari; Istiatun Istiatun
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

On the Serpong–Balaraja Toll Road Section 1A (STA 4+550–SSTA 4+900), there is a swamp area that is designed to have an embankment, so repair and reinforcement of the soil are needed. Therefore, this analysis aims to analyze the safety factor and consolidation settlement on the original soil. In addition, this analysis was carried out on soil replacement, geotextile, a combination of soil replacement and geotextile methods, and cerucuk using Plaxis 2D v20. The original soil conditions were also analyzed by the Fellenius method. The analysis results on the original soil conditions with Plaxis 2D v20 indicated a collapse, while with the Fellenius method the safety factor was 1.5, so it was not safe. Based on the methods used, only the geotextile method with variations of five layers of geotextile in post-construction is not safe. In soil replacement and soil replacement with geotextiles, the safety factor is relatively the same between 5.5 and 8 meters of replacement soil. Therefore, the thickness of the replacement soil has an optimum point where the addition of the thickness of the replacement soil is not linear with an increase in the safety factor. The consolidation settlement in the geotextile method is greater than in other methods. The detailed explanation will be developed on the writing paper below. Keywords: Cerucuk, Consolidation Settlement, Geotextile, Safety Factor, Soil Replacement.
ANALISIS KEKUATAN BEKISTING ALUKO PADA PROYEK APARTEMEN KINGLAND AVENUE SERPONG Mayang Millanda; Muhammad Angga Pratama; Suripto Suripto
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

Formwork is a tool for molding concrete to the desired size and shape. The implementation of the formwork in the Kingland Avenue Serpong Apartment construction project uses all-in-one formwork. The structural implementation system in the formwork of columns, beams, and floor slabs is carried out together. The purpose of this paper is to analyze the strength of the formwork on beams, columns, and floor slabs on the Kingsland Avenue Apartment Project. Data collection techniques using literature study, field visits, and interviews are used to achieve the objectives of this paper. The overall strength analysis of the Aluko formwork results supports the working loads and does not exceed the allowable stresses and deflections. Based on the results of the analysis, the column strength at the wall panel bending stress is 98.32 N/mm2, and the deflection strength is 0.98 mm. The results of the analysis showed that the strength of the beam and floor slab at the deck panel bending stress was 48.16 N/mm2, and the deflection strength was 3.17 mm. Keywords: Aluko, Formwork, Method.  

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