نوع مقاله : مقاله پژوهشی
نویسندگان
گروه مهندسی عمران، دانشگاه صنعتی بیرجند، بیرجند، ایران
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
Seismic resilience of a structure is defined as the capability of the system to maintain a desirable performance level, as well as its ability to rapidly return to an acceptable state following a seismic event. Within this frame-work, the overall system performance is evaluated through a unique deci-sion variable termed the “Resilience Index”, which itself integrates several key components, including economic losses, casualties, recovery time, and other critical factors. Conventional structures are vulnerable to earth-quakes and, after a seismic event, may sustain severe damage and lose their functionality, thereby reducing the structural resilience. This paper aims to quantitatively assess the seismic resilience index of a structure equipped with Friction Pendulum Bearings (FPB). To this end, a four-story reinforced concrete (RC) moment-resisting frame model has been devel-oped in the Python interpreter version of OpenSees (i.e., OpenSeesPy), subjected to incremental dynamic analyses (IDA), and subsequently, fragil-ity curves have been derived for various damage states in accordance with the HAZUS guidelines. Finally, employing a loss-recovery approach, the seismic resilience index of this structure has been quantified at four hazard levels, and the corresponding functionality curves have been obtained.
کلیدواژهها [English]
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