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Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja)
Published by Universitas Wiraraja Sumenep
ISSN : 26859173     EISSN : 23390719     DOI : 5876
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Transportation
Jurnal Ilmiah MITSU ISSN 2339-0719 adalah peer-reviewed journal yang mempublikasikan artikel-artikel ilmiah dari berbagai disiplin ilmu teknik. Artikel-artikel yang dipublikasikan di jurnal Teknik meliputi hasil-hasil penelitian ilmiah asli (prioritas utama), artikel ulasan ilmiah yang bersifat baru (tidak prioritas). Jurnal Teknik diterbitkan oleh Fakultas Teknik Universitas Wiraraja Sumenep. Jurnal Teknik menerima manuskrip atau artikel dalam bidang teknik dari berbagai kalangan akademisi dan peneliti baik nasional maupun internasional.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 212 Documents
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ANALISIS PERILAKU SIKLIK DAN KAPASITAS DISIPASI ENERGI BAMBOO BUCKLING-RESTRAINED BRACES (B-BRB) I Putu Ellsa Sarassantika; I Ketut Yasa Bagiarta; I Putu Deny Surastika Aditama
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 14 No 2 (2026): Jurnal Ilmiah MITSU (In Press)
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v14i2.5415

Abstract

Bali Province is characterized by a high level of seismic hazard, while the dominant building typology consists of low-rise structures with a maximum height of four stories, consistent with regional spatial planning regulations and local architectural practices. Although seismic forces acting on low-rise buildings are generally smaller than those experienced by high-rise structures, the risk of structural damage remains significant due to the limited availability of economical and easily implementable seismic energy dissipation systems in the domestic construction market. This condition contributes to the low adoption of seismic damping technologies and continued reliance on imported devices. This study aims to develop a conceptual model of a Bamboo Buckling-Restrained Brace (B-BRB) as a low-cost and sustainable seismic energy dissipation system suitable for low-rise buildings in Bali. Bamboo is selected as the primary material due to its abundant availability, rapid growth, and favorable strength-to-weight ratio, making it a promising candidate for locally sourced seismic damping devices. The research methodology includes the formulation of a conceptual and mechanistic model of the B-BRB and the derivation of fundamental equations for determining its design dimensions. Numerical modeling using Finite Element Analysis (FEA) was conducted to evaluate the structural response of the device under displacement-controlled lateral cyclic loading conditions up to a story drift of ±2.5%. The simulation results demonstrate that the B-BRB with a target axial capacity of 75 kN exhibits a highly stable and symmetric hysteretic response without experiencing premature global buckling or severe pinching behavior. The device achieves a cumulative energy dissipation capacity of 4,500 kN·mm at the peak cycle, with a gradual lateral stiffness degradation from 3.5 kN/mm to 2.9 kN/mm, and an average equivalent viscous damping ratio of 3.0%. Based on these findings, it can be concluded that the conceptual model of the B-BRB represents an analytically and numerically viable, eco-friendly, and cost-effective seismic damping solution to enhance the seismic resilience of low-rise structures (≤ 4 stories) in earthquake-prone regions.
PENGARUH PENAMBAHAN SERBUK KALSIUM KARBONAT TERHADAP SIFAT FISIKA PAVING BLOCK Dwi Deshariyanto; Ainur Rofek; Subaidillah Fansuri; Nor Zainah
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 14 No 2 (2026): Jurnal Ilmiah MITSU (In Press)
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v14i2.5461

Abstract

Paving blocks are a building material widely used in ground surface paving projects, particularly in residential areas, sidewalks, and other public facilities. Initial research focused on the use of local limestone powder combined with black sand as a mixture for paving blocks. Preliminary test results showed that this mixture produced compressive strength that tended to decrease. To reduce water absorption, another material with denser and more reactive properties calcium carbonate (CaCO₃) powder was substituted. This study employed an experimental method with three mixture variations: 1pc : 4ps (4ps – 20%), 1pc : 4ps (4ps – 40%), and 1pc : 4ps (4ps – 60%), with 15 compaction cycles using a 16 kg compaction weight, applied in three layers, each layer receiving 5 compaction cycles. Data analysis employed linear regression analyzed using SPSS software. The results of the study indicate that there was no significant effect on compressive strength, but there was a significant effect on the water absorption of the paving blocks. The maximum compressive strength showed a variation of 20% with an average value of 15.229 MPa; therefore, based on SNI 03-0691-1996, these paving blocks are classified as Grade C concrete blocks. The minimum water absorption result was 20%, with an average value of 6.713%; therefore, based on SNI 03-0691-1996, these concrete bricks are classified as Grade C.

Page 22 of 22 | Total Record : 212

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