STUDY ON TRUE TRIAXIAL TEST OF EXCAVATION SOIL MASS OF UNLOADING SHEARING MODULUS

Zhuang Xinshan; Zhu Zhizheng; Zhu Ruigeng; Hu Qizhi

doi:10.13204/j.gyjz200507016

Volume 35 Issue 7

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2005 > 35(7): 55-58,66

Zhuang Xinshan, Zhu Zhizheng, Zhu Ruigeng, Hu Qizhi. STUDY ON TRUE TRIAXIAL TEST OF EXCAVATION SOIL MASS OF UNLOADING SHEARING MODULUS[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(7): 55-58,66. doi: 10.13204/j.gyjz200507016

Citation:

Zhuang Xinshan, Zhu Zhizheng, Zhu Ruigeng, Hu Qizhi. STUDY ON TRUE TRIAXIAL TEST OF EXCAVATION SOIL MASS OF UNLOADING SHEARING MODULUS[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(7): 55-58,66. doi: 10.13204/j.gyjz200507016

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STUDY ON TRUE TRIAXIAL TEST OF EXCAVATION SOIL MASS OF UNLOADING SHEARING MODULUS

doi: 10.13204/j.gyjz200507016

1.
1. School of Civil Engineering and Architecture,Hubei Polytechnic University Wuhan 430068;
2.
2. School of Civil Engineering and Architecture,Wuhan University of Science &Engineering Wuhan 430070

Received Date: 2004-08-16
Publish Date: 2005-07-20

Abstract

Abstract

By analyzing dumping undrained true triaxial test of excavation soil mass, it is studied the relation between generalized shear stress and generalized shear strain derived by generalized Hook. s law. Then intermediate principal stress coefficient is defined based on actual stress path and a shearing modulus. formula is also derived under plane unit elongation strain condition. The study results show that generalized shear stress has a strong nonlinear relation with generalized shear strain, and intermediate principal stress has interval effect on soil strength. The strength of soil enhances to a certain peak value gradually and diminishes gradually in the process of intermediate principal stress 2 increases from 3 to 1.
- plane strain,
- true triaxial,
- unloading test,
- shearing modulus

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References(13)

References

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