Acta Seismologica Sinica

, Volume 11, Issue 3, pp 283–294 | Cite as

Numerical simulation of the crustal stress field by using data of deep geophysical exploration in the northern part of North China

  • Chang-Quan Liu
  • Ming-Jun Liu
  • Shi-Xu Jia
Article
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Abstract

DSS data of the last twenty years and more in the northern part of North China are further interpreted, and combined with other geological and geophysical data, the crustal model for the 3-D finite element method is built after straticulate crustal structure and elastic mechanics parameters are obtained. Referring to regional tectonic stress field and taking the effect of gravity into account, the paper constrains properly the model boundary and then computes the displacement of each nodal point and the strain and stress of each element by using the program from the 3-D linear elastic finite method. The relationship between the distribution feature of the crustal stress field and seismicity is discussed on the basis of analyzing contour maps of maximum principal compressive stress in the upper, middle and lower crusts.

Key words

northern part of North China DSS data 3-D finite element crustal stress field seismicity 
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Copyright information

© Acta Seismologica Sinica Press 1998

Authors and Affiliations

  • Chang-Quan Liu
    • 1
  • Ming-Jun Liu
    • 1
  • Shi-Xu Jia
    • 1
  1. 1.Research Center for Exploration GeophysicsState Seismological BureauZhengzhouChina

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