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Experimental Study on Effect of Matric Suction on Shear Strength Behavior of Unsaturated Clay Soil
Author(s): 
Pages: 133-134,137
Year: Issue:  4
Journal: Yellow River

Keyword:  非饱和黏土抗剪强度基质吸力土—水特征曲线;
Abstract: 通过直剪试验,探讨了基质吸力与非饱和黏土抗剪强度的关系,结果表明:含水量对非饱和黏土基质吸力的影响较大,随着基质吸力的增大含水量减小,这种减小的趋势在基质吸力小于400 kPa时较明显;非饱和黏土抗剪强度与基质吸力之间的关系是非线性的,且存在转折点;基质吸力对非饱和黏土抗剪强度的提高有限.
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