Research on Determination of Shear Wave Velocity Based on Reaction Displacement Method

  • Wang Mingxin ,
  • Huang Chenglin ,
  • Niu Yongchang ,
  • Sun Weiji
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  • 1. School of Architectural Engineering, Qingdao Hengxing University of Science and Technology, Qingdao, Shandong 266100, P. R. China;
    2. Qingdao Metro Planning and Design Institute Co., Ltd ,Qingdao, Shandong 266100, P. R. China;
    3. College of Mechanics and Engineering, Liaoning Technical University, Fuxin, Liaoning 123000, P. R. China

Received date: 2023-12-25

  Online published: 2024-09-30

Abstract

Seismic special demonstration of underground structrue is an important part of underground structrue design, usually use reaction displacement method to calculate. The three factors related to anti-seismic design in reaction displacement method are shear force, inertia force, and relative displacement. And shear force is determinded by shear wave velocity, but there are no specific regulations or methods for shear wave velocity, how to define shear wave velocity is significant for anti-seismic design. Define shear wave through field soillayer equivalent share wave velosity method, weighted average method and single Rock or soil layers method,use reaction displacement method calculate and analysis bending moment value,shear force and axial force value, the analysis shows it is more reasonable to define shear wave through field soillayer equivalent share wave velosity method when use reaction displacement method to anti-seismic design, field soillayer equivalent share wave velosity method is a basis for define shear wave in undergroud structrue anti-seismic design and have engineering significant.

Cite this article

Wang Mingxin , Huang Chenglin , Niu Yongchang , Sun Weiji . Research on Determination of Shear Wave Velocity Based on Reaction Displacement Method[J]. Chinese Journal of Underground Space and Engineering, 2024 , 20(S1) : 155 -162 . DOI: 10.20174/j.JUSE.2024.S1.19

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