Effect of the initial rotation angle of principal stress on the dynamic properties of soil

Fu Lei; Wang Hongjin; Zhou Jingxing

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Volume 22 Issue 4

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Chinese Journal of Geotechnical Engineering > 2000 > 22(4): 435-440.

Fu Lei, Wang Hongjin, Zhou Jingxing. Effect of the initial rotation angle of principal stress on the dynamic properties of soil[J]. Chinese Journal of Geotechnical Engineering, 2000, 22(4): 435-440.

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Effect of the initial rotation angle of principal stress on the dynamic properties of soil

Beijing Municipal Institute of Hydraulic Engineering Planning Design and Research Beijing 100044 Department of Hydraulic Engineering Tsinghua University Beijing 100084

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Published Date: July 27, 2000

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Abstract

Abstract

In this paper,a series of tests on Miyun sand-gravel specimens using a hollow cylinder torsional shear apparatus have been carried out to investigate the effect of α 0(the inital rotation angle of principal stress),p 0(average principal stress)and η 0 (stress ratio )on dynamic strength and pore pressure. The test results show that α 0 has important effects on the dynamic properties of soil. With the increase of α 0,dynamic strength decreases markedly.