Effect of Suction on the Poisson's Ratio of Claystones

机译：吸附对棉尾菌泊松比例的影响

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An experimental investigation to analyze the effect of suction on the Poisson's ratio of claystone is presented. For this, the vapor transfer technique is used to impose suction on rock specimens. To evaluate the mechanical behavior of the claystone, two conditioned specimens are tested at each suction value through uniaxial compressive tests. Axial and radial strains are analyzed using the moving point regression technique. Axial and radial stiffness increase with suction and exhibit a non-linear behavior during the loading process. Poisson's ratio was found to decrease with suction and to evolve in a non-linear manner during loading.

机译：提出了一种分析吸入袋鼠比率的实验研究。为此，蒸汽转移技术用于施加岩石样品上的吸力。为了评估粘土的力学行为，通过单轴压缩试验在每个吸入值下测试两个调节样品。使用移动点回归技术分析轴向和径向菌株。轴向和径向刚度随吸力增加并在装载过程中表现出非线性行为。发现泊松比率随吸力下降并在装载过程中以非线性方式演变。

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《Pan-American conference on unsaturated soils》|2018年|xiv 460 p.|共9页
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J. M. Espitia; B. Caicedo; L. Vallejo;
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中图分类各类型土与地基;
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Effect of Suction on the Poisson's Ratio of Claystones

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