Evaluasi Perbandingan Variasi Tata Letak Dinding Geser pada Gedung 8 Lantai (Studi: RSUD Pesanggrahan Jakarta Selatan)

Mirara Khanza, Rizkia Indriani Putri, Johannes Panjaitan

Abstract


Penelitian ini membahas peran dinding geser dalam meningkatkan kinerja seismik bangunan melalui analisis perbandingan tiga model struktur 8 lantai dengan variasi tata letak dan bentuk dinding geser yang ditempatkan di area lift dan tangga. Dinding geser berfungsi menambah kekakuan lateral, mengurangi simpangan antar tingkat, serta mendistribusikan gaya gempa lebih seimbang pada sistem ganda. Analisis dilakukan menggunakan perangkat lunak ETABS dengan pembebanan gempa respons spektrum sesuai SNI 1726:2019. Hasil menunjukkan bahwa ketiga model memenuhi batas izin simpangan, periode, dan Modal Participating Mass Ratio (MPMR). Namun, Model 3 memberikan performa terbaik dengan periode paling pendek, base shear seimbang (±4900 kN), serta drift maksimum terkecil (1,89 cm arah X dan 1,14 cm arah Y). Selain itu, distribusi kontribusi dinding geser (66,43%–72,16%) dan rangka (27,84%–33,57%) menunjukkan keseimbangan sistem ganda yang paling optimal.

Keywords


(Dinding Geser; Rasio Modal Partisipasi Massa; Sistem Struktur Ganda; Respom Spektrum).

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DOI: https://doi.org/10.30601/jtsu.v12i1.7456

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Jurnal Teknik Sipil Unaya


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© Jurnal Teknik Sipil Unaya : Published by Center for Research and Community Service (LPPM) University of Abulyatama, Aceh, Indonesia. 2019