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Volume 33 Issue 10
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GONG Xiao-nan. Some problems concerning shear strength of soil in soft clay ground[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(10): 1596-1600.
Citation: GONG Xiao-nan. Some problems concerning shear strength of soil in soft clay ground[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(10): 1596-1600.
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Some problems concerning shear strength of soil in soft clay ground

  • Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China

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  • Published Date: October 14, 2011
    Abstract
  • Some concepts of shear strength and shear strength parameter, undrained shear strength and unconsolidated- undrained triaxial test are wrong in some soil mechanics textbooks and geotechnical engineering codes. The differences between the shear strength and the shear strength parameter are firstly discussed. Then the shear strength parameters determined by means of the consolidated undrained triaxial tests and the undrained shear strength determined by unconsolidated-undrained triaxial tests are analyzed. The differences between the undrained shear strength and the shear strength parameter of the soft clay are discussed. With the discussion about determination of the shear strength in the soft clay ground, the differences between the undrained shear strength and the shear strength parameter of the soft clay are discussed again. Finally, the stability analysis method, calculation parameters, determination method of calculation parameters and safety factor are coincided in the stability analysis of geotechnical engineering.
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    • References (6)
  • [1]
    鲁祖统 , 龚晓南 . 关于稳定材料屈服条件在平面内的屈服曲线存在内外包络线的证明 [J]. 岩土工程学报 , 1997, 19 (5): 3 – 7. (LU Zu-tong, GONG Xiao-nan. Study on inside and outside envelope of yield curves of stability materials in plane[J]. Chinese Journal of Geotechnical Engineering, 1997, 19 (5): 3 – 7. (in Chinese))
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    童小东 , 龚晓南 , 姚恩瑜 . 稳定材料在应力平面上屈服曲线的特性 [J]. 浙江大学学报 , 1998, 32 (5): 643. (TONG Xiao-dong, GONG Xiaon-nan, YAO En-yu. Character of yield curves of stability materials in plane[J]. Journal of Zhejiang University, 1998, 32 (5): 643. (in Chinese))
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    魏汝龙 . 软黏土的强度和变形 [M]. 北京 : 人民交通出版社 , 1987. ( WEI Ru-long. Strength and deformation of soft clay[M]. Beijing: China Communication Press, 1987. (in Chinese))
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    朱梅生 . 软土地基 [M]. 北京 : 中国铁道出版社 , 1989. ( ZHU Mei-sheng. Soft clay ground[M]. Beijing: China Railway Publishing House, 1989. (in Chinese))
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    王钟琦 . 岩土工程测试技术 [M]. 北京 : 中国建筑工业出版社 , 1986. ( WANG Zhong-qi. Test and measurement technique of geotechnical engineering [M]. Beijing: China Architecture and Building Press, 1986(in Chinese))
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    龚晓南 . 土力学 [M]. 北京 : 中国建筑工业出版社 , 2002. ( GONG Xiao-nan. Soil mechanics[M]. Beijing: China Architecture and Building Press, 2002. (in Chinese))
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    GONG Xiao-nan

    • Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China

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