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All Journal Jurnal Teknik Sipil ETERNITAS Jurnal Teknik Sipil
Zacharias, Hendry David
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Transportation

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Journal : Jurnal Teknik Sipil

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Pengaruh Jumlah Bentangan dan Jumlah Lantai terhadap Kebutuhan Waktu Jeda Antara Gempa Utama dan Gempa Susulan untuk Analisis Dinamis Riwayat Waktu Zacharias, Hendry David
Jurnal Teknik Sipil Vol 21 No 2 (2025): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v21i2.9344

Abstract

Seismic sequences cause cumulative structural damage; therefore, aftershocks must be considered in design. A key factor in time history analysis with seismic sequences is the time gap (TR) between the mainshock and aftershocks, during which acceleration is zero. TR is critical, as long earthquake durations can lead to high analysis time and cost. This study analyzed 16 structural models with varying numbers of bays and stories but identical plan areas, using seven records from the 1994 Northridge earthquake. At zero acceleration, a TR value of 60 seconds is added and will be increased to 120 seconds, if the acceleration and speed values ​​of the roof structure do not reach values ​​very close to zero (AR0 and VR0). Results show that TR increases almost linearly with the structural period (TS). Thus, increasing the number of bays reduces TR if TS decreases, while increasing the number of stories raises TR if TS increases. However, earthquakes with longer predominant periods result in smaller TR values.
Co-Authors Ade Lisantono, Ade Junaedi Utomo, Junaedi Yoyong Arfiadi, Yoyong