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Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil
Published by Universitas Ibn Khaldun Bogor
ISSN : 35132615     EISSN : 2655934X     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil adalah jurnal yang mempublikasikan hasil-hasil penelitian, ulasan ilmiah, teori dan aplikasi serta informasi lain di bidang ilmu pengetahuan, teknologi, dan sains (IPTekS), terutama teknik sipil, lingkungan, dan perencanaan wilayah-kota.Jurnal Komposit terbit dua kali dalam setahun. Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil is a journal that publishes research results, scientific reviews, theory and applications as well as other information in the fields of science, technology and science (IPTekS), especially civil engineering, environment, and urban planning. Jurnal komposit issued biannually. Articles to be published in the Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil are compiled from articles prepared by the author(s) and sent to the editorial board of Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Departement of Civil Engineering, Faculty of Engineering and Science, Universitas Ibn Khaldun Bogor. Articles should be written in English or Bahasa Indonesia. Research scope in general is civil engineering and environmental engineering study.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 233 Documents
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Analisis Potensi Keruntuhan Bendungan Bringe Akibat Overtopping dan Pemetaan Area Terdampak dengan Menggunakan HEC-RAS 6.6.0 Fahrezi, Muhamad Azmi; Wicaksono, Muhammad Hasan; Hariati, Feril
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.22015

Abstract

Dams are vital infrastructure that play an important role in irrigation water supply, flood control, and water resource conservation. However, dam failure can lead to catastrophic flooding that threatens human lives and causes significant material losses. This study aims to analyze the potential failure of Bringe Dam due to the overtopping mechanism and to identify the characteristics and distribution of flood inundation in downstream areas using the HEC-RAS 6.6.0 software. The simulation results show that the dam failure due to overtopping produced a peak outflow discharge of 103.69 m³/s with a breach formation time of approximately 1.24 hours. The maximum inundation area reached 77.49 hectares, affecting several villages downstream, with a maximum water depth of 8.11 m and an average depth of 2.07 m in the affected areas. Based on these results, it can be concluded that Bringe Dam poses a high hazard potential in the event of a failure caused by overtopping. Therefore, mitigation measures such as increasing spillway capacity, monitoring water surface elevation regularly, and developing an emergency response plan and evacuation routes for downstream communities are highly recommended.
Hambatan dalam Penerapan Konstruksi Berkelanjutan pada Penyelenggaraan Infrastruktur Adu, Markus Reinaldi Nikodemus; Messah, Yunita A.; Hangge, Elsy E.; Bolla, Margareth E.
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.22894

Abstract

The construction industry has an important role in economic growth, but construction activities have a significant impact on the environment, so the implementation of sustainable construction is very important. This study aims to evaluate the extent of the application of sustainable principles in infrastructure implementation in East Nusa Tenggara Province and identify the main obstacles. The data collection method used questionnaires and interviews with 33 Commitment Making Officials (PPK). The data obtained was analyzed using mean and standard deviation statistical analysis as well as content analysis to obtain the constraints. The results of the analysis show that the percentage of sustainable construction implementation in NTT is 77.32%, which is included in the predicate of "Intermediate" according to the Regulation of the Minister of PUPR No. 9 of 2021. The general planning stage recorded the highest percentage (83.12%), while the demolition stage recorded the lowest percentage (60.61%). The main obstacles found include lack of data on marginalized groups, budget constraints at various stages, and low understanding of implementers on the concept of sustainable construction. Improved coordination between parties and better resource allocation are needed to optimize sustainability practices throughout the life cycle of infrastructure projects in NTT.
Pengaruh Bioaspal terhadap Modulus Kekakuan Bitumen Asbuton (Dynamic Shear Rheometer dan Pendekatan Model Matematis Ullidtz) Sihombing, Atmy Verani Rouly
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.22984

Abstract

This study investigates the effect of bio-binder addition on the stiffness modulus of Buton asphalt (Asbuton) bitumen using the Ullidtz mathematical approach and Dynamic Shear Rheometer (DSR) testing. Asbuton B 50/30 was modified with bio-binders derived from pyrolysis of coconut shells (BTK) and rice straw (BJe). The optimum bio-binder content was determined based on penetration and softening point values comparable to Pen 60/70 asphalt as the control binder. The results indicate that 6.5% BTK and 8% BJe effectively increased penetration and reduced the softening point under RTFOT conditions, demonstrating a significant softening effect. The calculated stiffness modulus (Sbit) from the Ullidtz model and DSR measurements exhibited a consistent decreasing trend with increasing temperature (20–45°C), reflecting the viscoelastic behavior of asphalt. However, the Ullidtz approach generally underestimated stiffness values compared to DSR results, particularly at higher temperatures and for modified binders. An adjustment factor of 1.16 was applied to improve the agreement between both methods. The findings confirm that bio-binders have strong potential as sustainable modifiers to control the stiffness of Asbuton bitumen. While the Ullidtz approach provides a practical preliminary estimation, DSR testing remains more reliable for accurately characterizing the mechanistic and viscoelastic behavior of modified asphalt binders.

Page 24 of 24 | Total Record : 233

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