A Seismic Hazard Prediction System for Urban Buildings Based on Time-History Analysis

Author:

Zhai Yongmei1,Chen Shenglong1ORCID

Affiliation:

1. Shanghai Institute of Disaster Prevention and Relief, Tongji University, Shanghai 200092, China

Abstract

Seismic hazard prediction is essential for earthquake preparation in urban areas. Prediction methods based on refined the finite element method (FEM) models and time-history analysis require higher calculation, which is hard to apply universally. In this paper, by applying two simplified models and time-history analysis, the authors were able to develop a refined seismic hazard prediction system for urban buildings using MATLAB and OpenSees. The system is modular in design with a unified data interface to transfer data, where only the macro parameters of buildings are required to complete the computation work. Taking the campus of Tongji University as a test area, the system was applied to predict seismic hazard and compare it with the results of the vulnerability method by applying the seismic damage index to verify its reliability. The results show that the system can meet the needs of accuracy, efficiency, and visualization of seismic hazard prediction in urban areas.

Funder

National Key Research and Development Program of China

Publisher

Hindawi Limited

Subject

General Engineering,General Mathematics

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