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Discussion on Adjustment Method of the Characteristic Period of Site Response Spectrum with Soft Soil Layer

Author

Listed:
  • Yuandong Li

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

  • Bing Hao

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

  • Zhen Chen

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

  • Zhenghua Zhou

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

  • Zhu Bian

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

  • Yi Han

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

  • Cheng Peng

    (College of Transportation Engineering, Nanjing Tech University, Nanjing 210009, China)

Abstract

Twelve site models were established based on the analysis of the influence of site conditions on earthquake damage and the influence of the soft soil layer on-site seismic response. The equivalent linearization site seismic response analysis is carried out at different input ground motion levels to discuss the influence of soft soil layer thickness and buried depth. The results show that the characteristic period of the response spectrum exhibits a gradual increase as the buried depth or thickness of the soft soil layer increases. Furthermore, the characteristic period of the response spectrum also increases with the rise in the input ground motion peak. Moreover, according to the influence characteristics of soft soil thickness, buried depth, and input ground motion intensity on the characteristic period of the site acceleration response spectrum, a method for adjusting the characteristic period of the site acceleration response spectrum with a soft soil layer is put forward.

Suggested Citation

  • Yuandong Li & Bing Hao & Zhen Chen & Zhenghua Zhou & Zhu Bian & Yi Han & Cheng Peng, 2023. "Discussion on Adjustment Method of the Characteristic Period of Site Response Spectrum with Soft Soil Layer," Sustainability, MDPI, vol. 15(11), pages 1-23, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:11:p:8837-:d:1160143
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