Abstract

The application of endurance time method for optimum seismic design of steel moment-resisting frames using the uniform deformation theory

Highlights

  • The proper seismic design of structures is one of the biggest challenges in building structures with enough strength, stiffness and ductility

  • Moghaddam and Hajrasouliha [13] showed that using the uniform deformation theory, a structure can be designed for a specific earthquake record which behaves better than the equivalent weight designed structure based on the proposed methods in seismic codes

  • A new and fast method based on endurance time method analysis combined with the uniform deformation theory was proposed to optimize steel momentresisting frame design

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Summary

Introduction

The proper seismic design of structures is one of the biggest challenges in building structures with enough strength, stiffness and ductility. Hajrasouliha et al [18] suggested an efficient method for optimum design of concrete frames at different seismic hazard levels by combining the performance-based design and the uniform deformation theory They showed that the designed structures suffer less damage during earthquake compared to the same-weight structure designed by IBC-2009 [19]. Asadi and Hajrasouliha [26] proposed a practical method based on the concept of the uniform damage theory, in which the total life-cycle cost is considered as the main objective function for optimum seismic design of concrete frames Their results showed that all predefined performance targets are satisfied and the maximum inter-story drift ratio and total life cycle cost of the frames are reduced. Its results are in good agreement with other conventional seismic analysis

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