Investigating the effect of the radius of the investigated area and the minimum magnitude on the seismic parameters and the response of the seismic hazard analysis, a case study of Imam Ali Kermanshah Hospital

Document Type : Original Article

Authors

1 Assistant Professor, Department of Civil Engineering, Sahne branch, Islamic Azad University, Sahne, Iran

2 Structural and Earthquake Engineering Group, Department of Civil, Water and Environmental Engineering, Shahid Beheshti University, P.O. Box 167651719, Tehran, Iran

Abstract

Hospitals are one of the most significant buildings that are of special importance after the earthquake and must be able to be used continuously.

Also, to estimate these answers, it is necessary to calculate the seismic parameters of the studied area, the most important factors affecting these parameters are the length of the investigated range and the minimum magnitude, and in this research, these parameters are examined on the seismic parameters. For this purpose, Imam Ali Hospital was selected as a case study and the ranges of 100, 150, and 200 km from the target site with minimum magnitudes of 4, 4.5, and 5 Richter were selected as the study parameters and their impact on the risk analysis results was investigated. The results show that although acceptable results have been obtained in some periods of returns at a distance of 100 km, in some periods of returns in all the minimum magnitudes of the base, the differences in the maximum acceleration values are severe and therefore this distance is not suitable for risk analysis. At a distance of 150 km from the construction site, the results are acceptable for magnitudes of at least 4 Richter, but in other magnitudes of 4.5 and 5 Richter, there are many differences in the return period of 75 years, but in other return periods, the results are acceptable.

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History

  • Receive Date: 25 April 2023
  • Revise Date: 04 July 2023
  • Accept Date: 12 July 2023

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