| 粘性土覆盖层下土中超孔隙水压力的动力试验研究 |
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| 引用本文： | 张之颖,吕西林,陈跃庆,陈波,李培振. 粘性土覆盖层下土中超孔隙水压力的动力试验研究[J]. 岩石力学与工程学报, 2003, 22(1): 131-136 |
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| 作者姓名： | 张之颖 吕西林 陈跃庆 陈波 李培振 |
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| 作者单位： | 同济大学土木工程防灾国家重点实验室,上海,200092 |
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| 基金项目： | 国家自然科学基金重点资助项目(59823002和50025821)。 |
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| 摘 要： | 以土-结构动力相互作用体系的模拟地震振动台模型试验为基础，考察了粘性土覆盖层下的粉土及砂土在模拟地震中的超孔隙水压力增长规律，及其震后的短期固结行为特征，分析了覆盖层下土体在地震中的超孔隙水压力发展特征机理，并探讨了影响超孔隙水压力发展的主要因素。
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| 关 键 词： | 粘性土 超孔隙水压力 动力试验 土力学 覆盖层 固结 影响因素 |
| 文章编号： | 1000-6915(2003)01-0131-06 |
| 收稿时间： | 2001-05-29 |
| 修稿时间： | 2001-05-29 |
EXPERIMENTAL STUDY ON EXCESS PORE WATER PRESSURE OF SOILS COVERED BY CLAY LAYER |
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| Zhang Zhiying,LuXilin,Chen Yueqing,Chen Bo,Li Peizhen. EXPERIMENTAL STUDY ON EXCESS PORE WATER PRESSURE OF SOILS COVERED BY CLAY LAYER[J]. Chinese Journal of Rock Mechanics and Engineering, 2003, 22(1): 131-136 |
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| Authors: | Zhang Zhiying LuXilin Chen Yueqing Chen Bo Li Peizhen |
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| Abstract: | Experimental study is made on soil-structure interaction by shaking table tests. The development of excess pore water pressure in sandy silt and medium sand covered by clay layer under simulated earthquake excitations, and their consolidation behavior shortly after the simulated earthquake excitations are studied. The development mechanism of excess pore water pressure in saturated sandy silt covered by clay layer is analyzed. In the end, some main factors are pointed out to affect liquefaction potential of the soil covered by clay layer. |
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| Keywords: | soil mechanics shaking table test covered layer excess pore water pressure consolidation behavior affecting factors |
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