| 关于砂土的破坏条件 |
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| 引用本文： | 唐崙.关于砂土的破坏条件[J].岩土工程学报,1981,3(2):1-7. |
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| 作者姓名： | 唐崙 |
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| 作者单位： | 西北陕西水利科学研究所 武功； |
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| 摘 要： | 为了探索砂土的破坏条件,曾利用比较简单的设备进行了一种砂土的控制三向压力试验。试验结果表明不同应力条件下砂土强度变化是有规律的,且第二主应力对砂土强度的影响不能忽略。砂土的破坏条件是接近雷德-邓肯条件的。
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| 关 键 词： | 破坏条件 砂土 三向压力 第二主应力 八面体面 莫尔 试验结果 三轴压缩试验 真三轴压缩 轴向压力 |
The Failure Criterion of Sand |
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| Tang Lun.The Failure Criterion of Sand[J].Chinese Journal of Geotechnical Engineering,1981,3(2):1-7. |
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| Authors: | Tang Lun |
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| Affiliation: | North-West Hydraulic Research Institute, Wugong Shanxi |
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| Abstract: | In order to approach the failure criterion of sand, an experiment of independent control three-dimensional stress of sand has been performed with some simpler device. The result of the test shows that the variation of the strength of sand under different stresses varies under certain law and that the effects of the intermediate principal stress should not be neglected upon the strength of sand. The failure criterion of sand is similar to that of Lade-Duncan criterion. |
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