1. 武汉工业学院 土木工程系,武汉,430023
2. 武汉大学 土木建筑工程学院,武汉,430072
网络首发:2013-09-13,
纸质出版:2007
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徐书平, 刘祖德, 凡 红, 等. 考虑扰动的饱和软黏土圆柱孔扩张弹塑性解[J]. 岩土力学, 2007,28(7).
XU Shu-ping, LIU Zu-de, FAN Hong, et al. Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay[J]. 2007, 28(7).
徐书平, 刘祖德, 凡 红, 等. 考虑扰动的饱和软黏土圆柱孔扩张弹塑性解[J]. 岩土力学, 2007,28(7). DOI:
XU Shu-ping, LIU Zu-de, FAN Hong, et al. Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay[J]. 2007, 28(7). DOI:
根据原位十字板试验扰动导致饱和软黏土不排水强度降低的事实,应用圆柱形孔扩张理论,假设饱和软黏土在塑性阶段满足Tresca屈服条件,提出了一种基于饱和软黏土灵敏度的扰动度D且是塑性区半径的对数函数。考虑在塑性区内不排水强度su是扰动度D的函数,得到了考虑扰动的圆柱形孔扩张的弹塑性解答。
According to the fact of the undrained shear strength decreasing during field vane test
applying the cylindrical expansion theory
it is assumed that saturated soft clay satisfies Tresca yield criterion
and then the disturbance degree function is given on the basis of the sensibility of saturated soft clay
and the function D is logarithm function of the plastic radius. Considering the undrained shear strength su is the function of the disturbance degree
the elastoplastic solution of the cylindrical expansion is gained.
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