Draft:Collapse-based seismic design method
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The collapse-based design method is a new approach for seismic design of structures, introduced by Vahid Jaberi in December 2022 [1]. 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.
New Statements and Approaches in Seismic Design of Structures
Principles of Seismic Analysis
Collapse Spectrum in Structural Design
Determining the Collapse Seismic Intensity for Structures
Principles of Seismic Design for Structural Members
Design Criteria for Structural Members
Structural Collapse Criteria
Principles of Seismic Evaluation of Designed Models
Principles of Seismic Retrofitting for Existing Buildings
Advantages and Disadvantages
Scope of Application
Addressing Shortcomings in Seismic Design
Application and Implementation
Areas for Future Research
Challenges Ahead
References
- ^ a b Jaberi, V. (2023). Collapse-based design method for simple seismic design of complex structural systems such as linked column frame system. Structures, 2023 Sep 1 (Vol. 55, pp. 482-497). https://doi.org/10.1016/j.istruc.2023.06.059