| 冲击载荷下饱和砂土砂面沉降的实验研究 |
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| 引用本文： | 张均锋,孟祥跃,谈庆明,俞善炳. 冲击载荷下饱和砂土砂面沉降的实验研究[J]. 岩石力学与工程学报, 2001, 20(4): 519-523 |
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| 作者姓名： | 张均锋 孟祥跃 谈庆明 俞善炳 |
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| 作者单位： | 中国科学院力学研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金重点资助项目(19572068)和中国科学院重点资助项目. |
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| 摘 要： | 在落锤式冲击荷载下，通过对饱和砂土砂面沉降量的测量，得到液化前和液化后又重新固结的饱和砂土相对密度的变化规律，以及相对密度增量与初始相对密度的关系。对不同落高下砂面沉降量的测量，得到冲击强度与沉降量的关系。这些结果可指导爆炸法密实砂土地基工程。
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| 关 键 词： | 冲击载荷 饱和砂土 液化 固结 沉降 |
| 文章编号： | 1000-6915(2001)04-0519-05 |
| 收稿时间： | 1999-11-25 |
| 修稿时间： | 1999-11-25 |
LABORATORY STUDY ON THE SETTLEMENT OF SAND SURFACE OF SATURATED SAND UNDER IMPACT LOADING |
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| Zhang Junfeng,Meng Xiangyue,Tan Qingming,Yu Shanbing. LABORATORY STUDY ON THE SETTLEMENT OF SAND SURFACE OF SATURATED SAND UNDER IMPACT LOADING[J]. Chinese Journal of Rock Mechanics and Engineering, 2001, 20(4): 519-523 |
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| Authors: | Zhang Junfeng Meng Xiangyue Tan Qingming Yu Shanbing |
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| Abstract: | The settlement of saturated sand in a cylinder induced by impact loading is measured. The changes of relative density and initial relative density are also deduced. The relationship between intensity of impact and settlement of sand surface is obtained by changing the drop-height of sand sample. The measured results are identical to related correlative reference and can be referred and generalized for application in engineering. |
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| Keywords: | impact loading saturated sand liquefaction consoildation settlement |
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