YIELDING AND CRITICAL STATE OF A COLLAPSIBLE UNSATURATED SILTY SOIL
YIELDING AND CRITICAL STATE OF A COLLAPSIBLE UNSATURATED SILTY SOIL
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DOI：
10.1680/geot.1995.45.3.465
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发表时间：
1995-09
期刊：
影响因子：
5.8
通讯作者：
A. Maatouk;S. Leroueil;P. Rochelle
中科院分区：
文献类型：
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作者：
A. Maatouk;S. Leroueil;P. Rochelle
对湿陷性非饱和粉质土在不同吸力作用下进行了各向同性、各向异性压缩试验和排水三轴剪切试验。结果表明，当考虑基质吸力为自变量时，饱和粘土的屈服和临界状态概念可以适用于这种非饱和材料。屈服前和屈服后的行为被明确定义，屈服曲线随吸力的增大而增大，吸力对临界状态强度的影响随净平均应力的增大而减小。Des essais de压缩各向同性等anisotrope et Des essais triaxiaux de cisaillement德雷恩游客意识到,把不同的值de succion苏尔Des关口silteux非土星effondrables。二、装置特性的概念、极限特性、临界特性、初始化特性、可适用于非饱和材料、非饱和材料、吸力材料等，均视为变量独立。Les相称…
Isotropic and anisotropic compression tests, and drained triaxial shear tests were performed on a collapsible unsaturated silty soil under various suctions. The results show that the concepts of yielding and critical state originally developed for saturated clays can be applied to this unsaturated material when the matrix suction is considered as an independent variable. Pre-yield and post-yield behaviour is clearly defined, the yield curve increases in size with suction, and the effect of suction on the critical state strength decreases with increasing net mean stress. Des essais de compression isotrope et anisotrope et des essais triaxiaux de cisaillement draine ont ete realises, pour differentes valeurs de succion, sur des cols silteux non satures effondrables. II apparait que les concepts d'etat limite et d'etat critique, initialement developpes pour les argiles saturees, sont applicables a ce type de materiau non sature si la succion matricielle est consideree comme variable independante. Les comport...