Volume 43 Issue 4
Jul.  2021
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Du L R,Zhang J W,Chi M J,Chen S. 2021. Regularity research on the seismic response of characteristic parameters for ground motion peak to soil slope. Acta Seismologica Sinica,43(4):498−507 doi: 10.11939/jass.20200149
Citation: Du L R,Zhang J W,Chi M J,Chen S. 2021. Regularity research on the seismic response of characteristic parameters for ground motion peak to soil slope. Acta Seismologica Sinica43(4):498−507 doi: 10.11939/jass.20200149

Regularity research on the seismic response of characteristic parameters for ground motion peak to soil slope

doi: 10.11939/jass.20200149
  • Received Date: 2020-11-19
  • Rev Recd Date: 2021-04-13
  • Available Online: 2021-08-16
  • Publish Date: 2021-07-15
  • We randomly selects 100 ground motion records with different ground motion peak characteristic parameters, and obtains the peak ground acceleration (PGA), peak ground velocity (PGV) and peak ground displacement (PGD) of each ground motion through baseline correction and integration. Based on finite element numerical simulation, the seismic response law of soil slopes is studied by comparing the characteristics of different peak characteristic parameters of the same observation point with the characteristics of the same peak characteristic parameters of different observation points, and the analysis of the characteristics of seismic peak characteristic parameters and the seismic response of soil slope correlation. The calculation results show that PGA, PGV and PGD have a good positive correlation with the seismic response of the soil slope, and the average correlation coefficients are 0.868, 0.981, 0.926, respectively. The correlation of PGV is better than that of PGA and PGD, while the correlation of PGD is slightly better than PGA. Therefore, it is recommended to use PGV as a parameter index in the evaluation of soil slope stability.

     

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