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All Journal Wikrama Parahita : Jurnal Pengabdian Masyarakat Journal of Islamic Architecture Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Logic : Jurnal Rancang Bangun dan Teknologi Portal: Jurnal Teknik Sipil Abdimas Universal Construction and Material Journal APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE) Journal of Mathematics Education and Science EPIGRAM (e-journal) Logic : Jurnal Rancang Bangun Dan Teknologi Prosiding Konferensi Ilmiah Dasar
Tri Wulan Sari
Politeknik Negeri Jakarta
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Journal : Construction and Material Journal

 1 
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.
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.
ANALISIS KUAT LENTUR DAN KUAT TEKAN PADA LIMBAH BOTOL PLASTIK BAHAN PEMBENTUK GRC Suripto; Tri Wulan Sari; Denny Yatmadi
Construction and Material Journal Vol. 5 No. 1 (2023): Construction and Material Journal Vol. 5 No. 1 Maret 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v5i1.5297

Abstract

Plastic is one of the items that cannot be separated from our daily lives. GRC (Glassfibre Reinforced Cement) is a building material similar to concrete, made of cement reinforced by fiberglass which has alkali resistant properties. The purpose of this study was to analyze the flexural strength and compressive strength of GRC building materials with plastic bottle substitution. The type of research used experimental. The method carried out by replacing several compositions of fiber, plastic processed from plastic bottle waste and fiber with plastic waste in the GRC-forming mixture to utilize plastic waste to reduce the use of fiber glass. The research method used starts from the study of literature, manufacture of test materials, manufacture of test specimens, testing of flexural strength and compressive strength, then data analysis and discussion are carried out. The results obtained were that the flexural strength of the GRC material specimen with a substitution of 3.5% fiber as measured by the weight of the mortar is the largest flexural strength compared to other material substitutions. With the average flexural strength value obtained is 1.81 MPa or Fs = 18.48 kg/cm2. From the substitution of 1.75% fiber plus 1.75% plastic bottle waste to the GRC-forming material, there was a decrease in the average flexural strength value of 1.44 MPa or about 10.10%, while the act of replacing plastic bottled waste to the GRC-forming material decreased. the average flexural strength value is 3.27 MPa or about 22.93%.
Co-Authors Agung Budi Broto Aisyah Anindya Putri Andi Indianto Asyraf Wajih Budi Damianto Darul Nurjanah Denny Yatmadi Denny Yatmadi DYAH NURWIDYANINGRUM Ega Edistria Ega Edistria Fadhlina Sahara Indah Amelyana Khairas, Eri Ester Kusumo Dradjad Sutjahjo Linda Sari Wulandari Linda Sari Wulandari Muhtarom Riyadi Rita Farida Rizal, Rikki Sofyan Rommy Martdianto Saputra, Jonathan Siti Aisyah Sujito Sujito . Sujito Sujito Suripto