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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
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Search results for , issue "Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022" : 8 Documents clear
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.  
EVALUASI RANCANGAN MUTU BETON PADA PEMBANGUNAN GEDUNG DI KALIMANTAN BARAT Andre Renaldi Prameswara; Dony Dony; Rasiwan Rasiwan; Etty Rabihati
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

Concrete is a significant substance that is frequently employed in infrastructure construction. When manufacturing concrete, a concrete mix, or Design Mix Formula (DMF), must be created to specify the proportions of the materials to achieve the desired concrete quality. Concrete quality is classified based on the compressive strength of the concrete, which value has a significant impact on the DMF produced. One of the factors that can affect the quality of concrete is the fact that the dosage used in making concrete in the field is not in accordance with the existing DMF. This means the quality of the concrete in the field is not in accordance with what was planned, namely the quality of K-300 concretes. This study's objectives are to assess the current DMF and examine the variables influencing concrete quality in the field. To conduct the research, the Pontianak State Polytechnic's Civil Engineering Concrete Laboratory tested aggregates, created DMF, created cube specimens, and tested cube concrete compression tests. As a result, it can be said that one DMF can be used for all these structures because the laboratory results demonstrate that the DMF utilized in the field is consistent with the intended concrete quality, namely K-300 concrete quality. At the age of 28 days, concrete with a slump value of 9 cm had an average compressive strength of 339.882 kg/cm2, or 28.21 MPa. According to the findings of these investigations, the field-related factors cause the quality of the concrete to differ from the planned concrete's quality. Keywords: Concrete, DMF, Quality of Concrete, Testing, Compressive Strength.
ANALISIS KEKUATAN PENGARUH MODEL BRACING TERHADAP PONDASI KATROL LADDER PADA KAPAL ISAP PRODUKSI (KIP) Hariyono Yono; Azhar Aras Mubarak
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

With the use of the bracing model that was built during the building of the ladder-pulley foundation, this research intends to analyze the strength of the ladder-pulley foundation on the Kapal Isap Produksi (KIP). Finite element analysis (FEA) and modeling with the Ansys software were used in the investigation. The 58 m length of the actual ladder is considered when creating the model. Then, create each model of a diagonal brace and an x-bracing specifically for the pulley foundation. After that, a special diagonal brace and an x-bracing model were developed, respectively, for the pulley foundation's building. The load acting on the ladder for the two versions is the same: 1.42 x 105 N for the pipe and mud, 0.57 x 105 N for the cutter, and 0.67 x 108 Nmm for the cutter torque. According to the analysis's findings, the diagonal brace model's strut component experiences the highest level of stress, measuring 57.32 N/mm2, whereas the x-bracing model's greatest stress value is 25.44 N/mm2. These findings suggest that, to reduce structural failure in the ladder pulley area, it is preferable to use x-bracing construction for the brace design put there. This is because it has a lower minimum stress value than the diagonal brace model. Keywords: Bracing, Ladder, KIP, FEA.

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