ANALYSIS OF SEISMIC COLLAPSE VULNERABILITY OF RC FRAME STRUCTURES
The collapse resistance of building structures under earthquake action is the core goal of performance-based seismic design.In order to study the collapse resistance of RC frame structures of different heights,a research method based on the structural collapse resistance reserve coefficient(CMR)for the vulnerability of reinforced concrete frames to collapse was proposed.Several multi-layer reinforced concrete frame section structures were designed according to the current specifications in China,and the IDA calculation method is used to obtain the corresponding collapse vulnerabili-ty curves and normalized collapse vulnerability curves for RC frame structures of different heights.Evaluate,the collapse resistance and safety reserve of the structure based on the calculation results.
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