Journal of Seismology and Earthquake Engineering

Journal of Seismology and Earthquake Engineering

Seismic Active Earth Pressure during Kahramanmaraş Earthquake using a Time Domain Pseudo-Dynamic Method

Document Type : Research Article

Authors
Morteza Jiryaei Sharahi 1
Mohammad Mobini 2
1 Assistant Professor, Civil Engineering Department, Qom University of Technology, Qom, Iran
2 M.Sc. Student, Civil Engineering Department, Qom University of Technology, Qom, Iran
10.48303/jsee.2024.2033543.1106
Abstract
This study investigates the seismic active pressure induced by the Kahramanmaraş earthquake in Türkiye that occurred on February 6, 2023, with a magnitude of  7.7, using a time-domain pseudo-dynamic approach. This methodology enables the incorporation of actual ground motion data from the earthquake into the analysis. Morever, it employs a momentum theory-based technique to precisely identify the critical failure surface. Seismic accelerations recorded at four specific stations located 14, 123, 142 and 237 km away from the earthquake's epicenter, experiencing peak ground accelerations of 0.57g, 0.15g, 1.34g and 0.17g respectively, are utilized to evaluate the seismic active pressure acting on a retaining wall. The results indicate that the proposed approach yields more realistic outcomes compared to conventional methods, particularly in scenarios of significant earthquakes. Besides the peak ground acceleration of the earthquake, which influences the active seismic pressure, the frequency content of the earthquake, and the site's position relative to the fault movement also play crucial roles.
Keywords
Kahramanmaraş Earthquake
Seismic Active Pressure
Wall
Seismic Acceleration

Subjects

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Journal of Seismology and Earthquake Engineering
Volume 26, Issue 4
2024
Pages 25-35

  • Receive Date 07 July 2024
  • Revise Date 04 August 2024
  • Accept Date 14 July 2024
  • Publish Date 01 October 2024