Abstract
A framework of simplified probabilistic seismic loss estimation of RC frame using component- performance -based methodology was presented in this paper. Firstly, component- performance -based methodology was introduced, and component performance level was measured using elasto-plastic rotation angle of structural component. Then structural performance level was determined by the statistics of damaged components distribution. Additionally, the relationship between the structural performance level and loss ratio of RC frame was established. Last, expected seismic loss ratio of 3-storey RC frame was studied in detail. This study reveals that the simplified probabilistic framework proposed herein could be used in RC frame.
Highlights
Code-conforming RC frame has the certain ductile to meet the goal, which has been confirmed in past earthquakes [1]
The probabilistic PBSD method has been widely used to seismic assessment within the academia, it was far unfamiliar to practicing engineers
The SPL of the structure was taken as S-7 if the distribution of component performance level (CPL)
Summary
Code-conforming RC frame has the certain ductile to meet the goal, which has been confirmed in past earthquakes [1]. Considering the unacceptable economic loss in past earthquakes, the next-generation probabilistic PBSD [2] was come upon, which was the PEER framework. The seismic loss in low-rise building was discussed based on PEER framework [3]. The seismic losses of ductile and non-ductile RC frames were studied using PEER framework [5]. The simplified PEER framework was presented using macro deformation indicators, e.g. interstorey drift ratio [6]. The probabilistic PBSD method has been widely used to seismic assessment within the academia, it was far unfamiliar to practicing engineers. In this paper, simplified seismic loss estimation framework using component- performance based methodology (or SSLEFCPM) was presented, which aim was to facilitate the familiarity and application of probabilistic PBSD method. Business interruption and casualty beyond the range of this study were not considered
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