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Jurnal Proyek Teknik Sipil
Published by Universitas Diponegoro
ISSN : -     EISSN : 26544482     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Proyek Teknik Sipil is an open access journal (e-journal) that focusing in scientific work in the field of Appllied Civil Engineering that can be product of researches, literature review, or case study including Construction and Building Material, Construction Management, Geotechnical Engineering, Highway and Transportation Engineering, Hydraulic and Water Resource Engineering, and Structural Engineering. The articles are published twice in a year, in March and September. All manuscripts are welcome in Bahasa Indonesia. This journal is developed by Civil Engineering Department, Vocational School of Diponegoro University.
Arjuna Subject : -
Articles 92 Documents
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Analisis Karakteristik Campuran Aspal Beton Ac-Bc (Asphal Concrete – Binder Course) Dengan Penggunaan Abu Kulit Kopi Sebagai Filler Yanto, Agus Budi
Jurnal Proyek Teknik Sipil Vol 8, No 2 (2025): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.2025.28594

Abstract

The objective of this research is to evaluate the characteristics of Asphalt Concrete–Binder Course (AC-BC) mixtures by utilizing coffee husk ash as a filler material. Coffee husk is an organic waste byproduct from the coffee bean processing industry, which has rarely been used in the construction sector. This study was conducted with variations of coffee husk ash filler proportions of 25%, 50%, 75%, and 100% of the total filler, and applied the Marshall test method to analyze stability, flow, VMA, VIM, VFA, and the Marshall Quotient. The test results indicated an Optimum Asphalt Content (OAC) of 5.25%. Mixtures with 25% and 50% filler content demonstrated performance that met the 2018 Bina Marga specifications, with good values of stability, VFA, and MQ, while the 75% and 100% variations showed a decline in quality. Coffee husk ash has potential as a substitute filler in AC-BC asphalt mixtures; however, its use is recommended not to exceed 50% in order to maintain the quality and performance of the mixture. The findings of this study serve as a reference for developing more environmentally friendly and cost-effective pavement materials.
Uji Durabilitas Beton Normal Setelah Perendaman dalam Air Laut dan Pembakaran pada Suhu Tinggi Arjuna, Sandika
Jurnal Proyek Teknik Sipil Vol 8, No 2 (2025): September
Publisher : Civil Infrastructure Engineering and Architectural Design

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/potensi.2025.27672

Abstract

This study aims to test the durability of normal concrete after exposure to a combination of two extreme conditions: immersion in seawater and burning at high temperatures (300°C, 400°C, and 500°C). The study is motivated by the vulnerability of structures in coastal areas to both aggressive chloride attacks and fire hazards. The concrete used was designed for 25 MPa compressive strength and tested at 28 days of age. Cylindrical specimens (15 cm diameter and 30 cm height) were immersed in seawater for 28 days, then burned in a drum furnace for 30 minutes at the specified temperatures. Testing included compressive strength, density, and porosity measurements. Results show significant deterioration at 500°C, moderate deterioration at 400°C, and minor deterioration at 300°C. This confirms the need for better durability strategies for concrete in extreme environments.

Page 10 of 10 | Total Record : 92

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