Volume 11 Issue 3
Apr.  2011
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YAN Echuan, LIU Hanchao, TANG huiming. 2003: EXPERIMENTAL STUDY ON THE DYNAMIC PROPERTIES OF SOIL IN SLIDE ZONE OF LANDSLIDE. JOURNAL OF ENGINEERING GEOLOGY, 11(3): 318-322.
Citation: YAN Echuan, LIU Hanchao, TANG huiming. 2003: EXPERIMENTAL STUDY ON THE DYNAMIC PROPERTIES OF SOIL IN SLIDE ZONE OF LANDSLIDE. JOURNAL OF ENGINEERING GEOLOGY, 11(3): 318-322.

EXPERIMENTAL STUDY ON THE DYNAMIC PROPERTIES OF SOIL IN SLIDE ZONE OF LANDSLIDE

  • Received Date: 2002-12-20
  • Rev Recd Date: 2003-02-12
  • Publish Date: 2003-08-22
  • In order to study the deformation cause of reactivated landslide in a high seismic intensity area, the authors firstly systematically analyze the dynamic properties of soil in slide zone in cyclic triaxial test . The disturbed soil samples, physical properties of which are prepared to be field test index are tested on triaxial compressor under unconsolidated-undrained condition, with confining pressure of 100kPa, 200kPa and 300kPa and a step by step increasing dynamic load. Analyzing the environmental condition of the landslide in combination with high seismic intensity in the region, the seismic response properties of soil in slide zone are systematically sdutied. The result shows that there is a lot of difference between the dynamic and the static properties, for example, the nonlinear relation between dynamic stress and strain, dynamic elasticity modulus and dynamic strength of the soil markedly reduce, but damping ratio increases. The study provides an important theoretical basis for evaluating the sliding of the landslide.
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