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All Journal Jurnal Teknik Sipil
Rianto, Shandy
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Civil Engineering, Building, Construction & Architecture

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Seismic Design and Risk Analyses of Safe-to-Fail Steel and RC Frames for Nuclear Facilities Mangkoesoebroto, Sindur P.; Rianto, Shandy
Jurnal Teknik Sipil Vol 31 No 2 (2024): Jurnal Teknik Sipil - Edisi Agustus
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2024.31.2.1

Abstract

Abstract In this article, the design and estimate of the collapse risk of safe-to-fail steel and reinforced concrete (RC) frames due to earthquakes were proposed. The frames are part of nuclear facility buildings, and their failures are to follow the safe-to-fail beam side-sway collapse mechanism. The safe-to-fail was dictated by allowing plastic hinges to form merely in beams and few in columns; no other failure but flexure was tolerated such as shear, local or lateraltorsional buckling. Two types of safe-to-fail frames were studied, one with special moment frame (SMF) and the other with ordinary moment frame (OMF). The design was elaborated, and the fragility-based collapse risks were estimated and compared. Nonlinear time history analyses were carried out to evaluate the structural performance. The analyses showed that the safe-to-fail OMF had lower collapse risk than the safe-to-fail SMF for both steel and concrete frames. The steel safe-to-fail OMF showed superior behaviours. Keywords: Safe-to-fail; concrete and steel frames; fragility; collapse risk; earthquake; time history analysis.
Co-Authors Sindur P. Mangkoesoebroto