›› 1982, Vol. 3 ›› Issue (1): 55-64.
• Fundamental Theroy and Experimental Research • Previous Articles Next Articles
Su Zhi-qin; Zhou Hong-wen
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Abstract: This paper presets the results of simple-shear rheological tests for the shallow clay layer in Shanghai and the rheological parameters of this clay layer, such as shear parameter, viscosity and long-term strength etc. , by using the obtained relationship among stress, strain and time. The test results show that with certain density and water content of the clay and shear stress less than the yield value, the relationship between shear stress and shear strain for the same shear duration can be obtained by superposition theorem. Because of its linearity, likewise, the relationship between long-term shear flow rate and shear stress also hold true thus, from the linear portion of the curves mentioned above the shear modulus G and viscosity η can be obtained . however , when shear stress is beyond a certain yield value, the curve becomes non-linear. This yield value can be regarded as long-term strength of the soil . In rheological experiments these parameters are all functions of time.
Su Zhi-qin; Zhou Hong-wen. Simple-Shear Rheological Properties of Shallow Clay Layer in Shanghai[J]., 1982, 3(1): 55-64.
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