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Contact Name
Anita Setyowati Srie Gunarti
Contact Email
anitassgunarti@gmail.com
Phone
+6281323206332
Journal Mail Official
bentangunismabekasi@gmail.com
Editorial Address
Jl. Cut Meutia No. 83 Bekasi
Location
Kota bekasi,
Jawa barat
INDONESIA
BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
ISSN : 23025891     EISSN : 25793187     DOI : https://doi.org/10.33558/bentang
Core Subject : Engineering,
BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil is theoritical and applied Civil Engineering journal for scientific publication issued twice in every volume (January and July). First published in January 2013, already indexed by Dimensions, Google Scholar, Base, Garuda, and Sinta. BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil is the journal open access. BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil p-ISSN: 2302-5891, e-ISSN: 2579-3187 is a peer-reviewed, scientific journal published by Universitas Islam 45 Bekasi. FOCUS & SCOPE: Structural Engineering Construction Engineering & Management Geotechnical Engineering Transportation Engineering Water Resources Engineering
Articles 293 Documents
Effect of Blended Cement Containing Fly Ash on the Elastic Modulus and Poisson's Ratio of Mortar Maysyurah, Alfina; Aris, Mohammad; Fajar, Muhammad Nur; Arifin, Herlina; Setya, Didik
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 2 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i2.11001

Abstract

The demand for eco-friendly, economical, and high-performance building materials continues to grow, encouraging innovation in the use of blended cement. Fly ash, a by-product of coal combustion, offers a sustainable alternative as a supplementary cementitious material. This study evaluates the mechanical performance of mortar containing fly ash in blended cement, with compressive strength tested at 7, 28, and 90 days. Fly ash proportions of 0%, 10%, 20%, 30%, and 40% by cement weight were examined. Results showed that mortar with fly ash (FA-10%) achieved the highest compressive strength at 90 days. Although the elastic modulus decreased with higher fly ash content, both compressive strength and elastic modulus increased over the curing period. The Poisson’s ratio values ranged from 0.1 to 0.3, indicating the material remains within the classification of normal solid materials. These findings suggest that incorporating fly ash can improve the sustainability of construction materials without significantly compromising long-term mechanical performance. Fly ash can therefore be considered an effective partial replacement for cement in efforts to develop more environmentally responsible and sustainable building solutions.
Efektivitas Konfigurasi Perkuatan Ferosemen terhadap Reduksi Tegangan Tarik Maksimum Struktur Rumah Sederhana Tak Terkekang Kuswiantoro, Mahendra Septa; Karisma, Dwifi Aprillia; Nursandah, Fauzie
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 2 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i2.11034

Abstract

homes, especially those without adequate structural components, known as un-engineered houses. These houses rely solely on brick masonry walls as load-bearing elements and are unable to effectively resist seismic forces. In Blitar Regency, many homes are constructed without technical planning, relying only on brickwork for structural support. This situation highlights the need for economical reinforcement technology suitable for simple houses owned by low-income communities. This study aims to determine the most effective critical reinforcement design using a ferrocement layer on the behavior of simple house structures with unconfined brick walls. Numerical simulations were performed using Time History Analysis, with variations in earthquake intensity of 30%, 60%, 100%, and 150%, and ferrocement reinforcement widths of 300, 400, 500, and 600 mm. The D2 reinforcement model proved to be the most effective, showing a strength reduction ratio close to the allowable critical limit of 0.79. The analysis also indicates that wider reinforcement increases the building’s strength but decreases material use efficiency. These findings provide important insights into balancing structural performance and economical material utilization for reinforcing un-engineered masonry homes vulnerable to earthquake damage.
Implementation of Rainwater Harvesting for Urban Flood Control in the Karang Asam Kecil Watershed Muslimin, Muhammad Syahrizal; Suharyanto; Wulandari, Dyah Ari
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 2 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i2.11036

Abstract

95 masl and is often flooded. This study aims to evaluate the effectiveness of the implementation of Low Impact Development with rainwater harvesting as the main method in reducing surface runoff in the Karang Asam Kecil watershed. Rainwater harvesting modeling is applied to 9 subcatchments with an application of 100 m2/unit. Simulation using the Storm Water Management Model (SWMM) with a 10-year return period rainfall shows that surface runoff in existing conditions is 45.632 mm. Meanwhile, after the implementation of rainwater harvesting, it decreased to 18.814 mm, or decreased by 58.77%. These results indicate that rainwater harvesting is effective in reducing surface runoff and can be a solution to flood mitigation in the Karang Asam Kecil watershed.

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