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Effect of geotextile reinforcement on cyclic undrained behavior of sand

机译：土工纺织材料对砂土循环不排水行为的影响

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Dynamic behavior of reinforced soil are evaluated relative to a number of factors including: strain level, density, number of cycles, material type, fine content, geosynthetic inclusion, saturation, and effective stress. This paper investigates the dynamic behavior of saturated reinforced sand under cyclic stress condition. The cyclic triaxial tests are conducted on remolded specimens under various cyclic stress ratios (CSR) which reinforced by different arrangement of non-woven geotextile. Aforementioned tests simulate field reinforced saturated deposits during earthquake or other cyclic loadings. This analysis revealed that the geotextile arrangement played dominant role on dynamic soil behavior and as geotextile close to top of specimen, the liquefaction resistance increased. Meanwhile, the results demonstrate that the effects of arrangement of reinforcement layers on deformation and shear modulus are considerable.
机译：相对于许多因素，评估了加筋土的动力特性，包括：应变水平，密度，循环次数，材料类型，细度，土工合成材料夹杂物，饱和度和有效应力。本文研究了循环应力条件下饱和钢筋砂的动力特性。循环三轴试验是在重塑的试件上以不同的循环应力比（CSR）进行的，该应力比由非织造土工布的不同排列增强。前面提到的测试模拟了地震或其他周期性载荷下场增强的饱和沉积物。该分析表明，土工布排列在动态土壤行为中起主要作用，并且当土工布靠近试样顶部时，液化阻力增加。同时，结果表明增强层的布置对变形和剪切模量的影响是可观的。

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