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Yufiansyah
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Civil Engineering, Building, Construction & Architecture Environmental Science Public Health Transportation

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Evaluasi Sistem Struktur Tahan Gempa Pada Bangunan Strategis Layanan Akademik Parabi, Ashraf Dhowian; Parabi, Arif; Yufiansyah; Octaviyana, Ricky Artha
Jurnal Teknologi Infrastruktur Vol 6 No 2 (2024): Jurnal Teknologi Infrastruktur Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Panca Bhakti

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Pontianak, sebagai Ibu Kota Provinsi Kalimantan Barat, berdasarkan peta zonasi gempa termasuk wilayah dengan tingkat risiko gempa sangat rendah. Meskipun demikian, perkembangan terkini menunjukkan bahwa perencanaan struktur di daerah berisiko gempa rendah tetap perlu mempertimbangkan beban gempa sebagai bagian dari desain yang komprehensif. Penelitian ini mengkaji perencanaan struktur tahan gempa pada bangunan strategis berbasis fungsi akademik, dengan studi kasus pada suatu gedung pendidikan yang berlokasi di kawasan perkotaan. Perencanaan dimensi elemen struktur mengacu pada SNI 1726-2012 tentang ketahanan gempa untuk memastikan kemampuan bangunan dalam menahan kombinasi beban mati, hidup, dan gempa. Analisis dilakukan menggunakan program ETABS untuk mengevaluasi efisiensi dimensi struktur dalam menahan beban yang bekerja. Hasil penelitian menunjukkan bahwa meskipun risiko seismik di Pontianak rendah, penerapan standar gempa tetap menghasilkan elemen struktur yang efisien, memenuhi persyaratan teknis, dan meningkatkan kesiapsiagaan struktural terhadap potensi beban dinamik. Studi ini menegaskan pentingnya integrasi prinsip tahan gempa pada bangunan strategis, bahkan di wilayah dengan zonasi risiko rendah, sebagai langkah antisipatif dalam mitigasi bencana. Kata Kunci: Tahan gempa, Struktur, ETABS
PENGARUH VARIASI KONFIGURASI POSISI DIAGONAL BRACED CBF TERHADAP PERILAKU STRUKTUR RANGKA BAJA 6 LANTAI DI KOTA PONTIANAK Bachsin, Nargis Aufa; Violeta, Iona; Yufiansyah
Jurnal Teknologi Infrastruktur Vol 7 No 1 (2025): Jurnal Teknologi Infrastruktur Vol 7 Nomor 1 Tahun 2025
Publisher : Fakultas Teknik Universitas Panca Bhakti

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Indonesia is an earthquake-prone region, thus building structures must be designed to withstand seismic forces. One way to strengthen a structure is by using a Concentrically Braced Frame (CBF) system with various bracing position configurations. This study aims to analyze the influence of diagonal bracing position variations on the natural period, maximum displacement, and inter-story drift of a six-story steel structure using ETABS version 22 software. The results show that the structure without bracing produces the highest values for period, displacement, and drift. The direction of bracing installation does not significantly affect the results, as seen in variations 1A–1B, 2A–2B, and 3A–3B, which yield nearly identical outcomes. Discontinuous bracing configurations, such as in 2C–2D and 3C–3D, result in higher drift values. Variations 4A–4B provide better results than 4C–4D due to more uniform bracing distribution. Variation 2A produces the best results, with a period of 2.362 seconds (mode 1) and 1.339 seconds (mode 2), a maximum displacement of 111.81 mm, and drift values of 102.409 mm (X) and 34.139 mm (Y). However, variation 4A is more efficient, with nearly equivalent performance: a period of 2.362 seconds (mode 1) and 1.473 seconds (mode 2), a maximum displacement of 135.41 mm, and drift values of 102.39 mm (X) and 34.14 mm (Y). Keywords: Bracing, Earthquake, Period, Displacement, Drift
PENGARUH VARIASI POSISI K-BRACED CBF TERHADAP PERILAKU STRUKTUR RANGKA BAJA 6 LANTAI DI KOTA PONTIANAK Ningsih, Wida; Violeta, Iona; Yufiansyah
Jurnal Teknologi Infrastruktur Vol 7 No 02 (2025): Jurnal Teknologi Infrastruktur Vol 7 No 02 tahun 2025
Publisher : Fakultas Teknik Universitas Panca Bhakti

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ABSTRACT This study investigates the effect of K-braced Concentrically Braced Frame (CBF) variations on the structural behavior of a six-story steel frame building located in Pontianak with soft soil conditions (site class SE). The analysis was conducted using the equivalent lateral force method in accordance with SNI 1726:2019, with ten structural models simulated in ETABS. The parameters evaluated include natural period, maximum displacement, and inter-story drift. The results indicate that the structure without bracing exhibits the longest natural period and the largest lateral displacement. Full bracing installations on several bays (variations A1, A2, B1, B2, C1, and C2) significantly reduce the natural period and produce the smallest displacement and drift. In contrast, alternating bracing patterns (variations B3, D1, and D2) tend to increase structural flexibility, leading to reduced performance. Therefore, the configuration and distribution of bracing play a crucial role in enhancing the seismic performance of multi-story steel structures. Keywords: K-braced, Concentrically Braced Frame (CBF), Structure Period, Displacement, Drift
Co-Authors Bachsin, Nargis Aufa Octaviyana, Ricky Artha Parabi, Arif Parabi, Ashraf Dhowian Violeta, Iona Wida Ningsih