Draft:Collapse-based seismic design method
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Last edited by V Jaberi (talk | contribs) 11 months ago. (Update) |
Introduction
The collapse-based design method is a new approach for seismic design of structures, introduced by Vahid Jaberi in December 2022. In this method, the maximum tolerable seismic load is applied to the structure, and each of the main structural members is designed based on their maximum capacity. The method suggests that by analyzing the structure until it reaches its maximum seismic capacity, or in other words, until collapse, structural members can be designed more simply and with high reliability. In this scenario, the need for many parameters, formulas, coefficients, and certain seismic provisions is eliminated.
This method provides a formula for calculating the appropriate collapse seismic intensity for structures and determines the median acceptable collapse spectral acceleration for any structure based on the collapse spectrum. It then continues the analysis of the model using incremental artificial ground motion, in accordance with the Endurance Time Method, until the target seismic intensity is reached. For designing structural components, it categorizes the main structural members into two groups: ductile and non-ductile members. Ductile members are designed based on their maximum plastic capacity, while non-ductile members are designed based on their maximum elastic capacity. The collapse-based design method is a new, simple, and independent approach that can be used for the analysis, design, evaluation, and retrofitting of structures, adhering to uniform principles.