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All Journal Teknika Innovative Research in Civil and Environmental Engineering (IRCEE)
Alfana, Siril
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Transportation

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Nonlinear Pushover Analysis Of Reinforced Concrete Structures With Basalt Fiber Reinforcement In Seismic Zones Alfana, Siril
Innovative Research in Civil and Environmental Engineering Vol. 2 No. 1 (2025): IRCEE - April
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/ircee.v2i1.329

Abstract

This study investigates the seismic performance of reinforced concrete (RC) structures with basalt fiber reinforcement (BFRC) using nonlinear pushover analysis. The main objective is to evaluate the effect of basalt fiber reinforcement on the seismic response of RC structures located in earthquake-prone regions. The analysis focuses on key seismic parameters, including base shear, displacement, energy dissipation, and crack propagation. The results show that BFRC structures exhibit significantly enhanced seismic performance compared to conventional RC structures. The BFRC structures demonstrated higher base shear capacity, greater displacement capacity, improved energy dissipation, and better crack resistance. These improvements suggest that basalt fiber reinforcement can effectively enhance the ductility and strength of concrete structures, making them more resilient to seismic forces. The study highlights the potential of BFRC as a sustainable and efficient material for improving the seismic resilience of buildings in high seismic zones.
Analisis Stabilitas Lereng Dengan Dinding Penahan Tanah Menggunakan Perhitungan Manual Dan ASDIP Retain v.4.7.6 Alfana, Siril; Assafira, RA Rieke Aulia; Situmorang, Adolf; Masvika, Hendra
Teknika Vol. 19 No. 1 (2024): Maret
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/teknika.v19i1.7855

Abstract

Penelitian ini membahas mengenai analisis stabilitas lereng pada Jalan Tol Trans Sumatera Ruas Sigli-Banda Aceh Seksi 1 pada STA 21+725. Perkuatan lereng menggunakan dinding penahan tanah tipe kantilever setinggi 5,1 m dan kelandaian lereng 45°, dengan angka aman >1,5. Perhitungan dilakukan pada kondisi statis dan kondis gempa menggunakan GeoStudio 2012, ASDIP Retain v.4.7.6, dan perhitungan manual. Hasil perhitungan menggunakan GeoStudio 2012 diperoleh angka aman 3,057 untuk kondisi statis dan 1,787 untuk kondisi gempa. Hasil perhitungan menggunakan ASDIP Retain v.4.7.6 diperoleh SF guling 3,02 dan SF geser 5,81. Gaya geser pada ketinggian kritis sebesar 95,3 kN/m dan tahanan geser sebesar 328 kN/m. Hasil perhitungan manual kondisi statis terhadap gaya eksternal diperoleh SF guling 3,034, SF geser 1,921, dan SF daya dukung 14,19. Nilai SF untuk kondisi gempa diperoleh SF guling 2,077, SF geser 1,775, dan SF daya dukung 9,631. Terhadap gaya internal kondisi statis dan kondisi gempa telah memenuhi syarat angka keamanan. Hasil simulasi dengan GeoStudio 2012, ASDIP Retain v.4.7.6, dan perhitungan manual di atas telah sesuai dengan syarat faktor keamanan sesuai SNI 8460:2017.
Co-Authors Adolf Situmorang Assafira, RA Rieke Aulia Masvika, Hendra