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Evaluation of Static Liquefaction Susceptibility of Sands with Triaxial Test

机译：用三轴试验评价砂土的静态液化敏感性

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摘要

The undrained cyclic behavior and liquefaction characteristics of sand are highly dependent on the mechanisms observed in static tests. The outcomes of an experimental study on sands carried out to investigate the effects of stress and strain conditions are presented in this paper. In this context, undrained triaxial compression and extension tests were performed on Toyoura sand at different initial relative densities. The outcomes of experiments show that undrained triaxial compression test results differ from the extension test results, especially at high void ratios of sand. Additionally, the results indicated that increasing effective confining pressure results in decreasing dilatant tendencies.
机译：沙子的不排水循环行为和液化特性高度依赖于静态测试中观察到的机理。本文介绍了对砂进行实验研究的结果，以研究应力和应变条件的影响。在这种情况下，对Toyoura砂在不同的初始相对密度下进行了不排水的三轴压缩和延伸试验。实验结果表明，不排水的三轴压缩试验结果与延伸试验结果不同，特别是在高孔隙比的情况下。此外，结果表明，增加有效围压会降低扩张趋势。

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