| 打设排水板后饱和软黏土中打桩引起的孔隙水压力分布及消散规律 |
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| 引用本文： | 胡向前,焦志斌,李运辉.打设排水板后饱和软黏土中打桩引起的孔隙水压力分布及消散规律[J].岩土力学,2011,32(12):3733-3737. |
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| 作者姓名： | 胡向前 焦志斌 李运辉 |
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| 作者单位： | 1. 东南大学交通学院,南京,210096
2. 南京水利科学研究院,南京,210029 |
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| 摘 要： | 通过池州电厂预制桩现场试验,介绍了在打设塑料排水板后,饱和软黏土中打桩引起的土体超静孔隙水压力分布及消散规律,分析了影响土体超静孔隙水压力分布和消散的影响因素。试验结果表明,饱和软黏土中预制桩施工桩距宜大于3 m,时间间隔为6～8 h,预制桩施工的控制参数为超静孔隙水压力与上覆土体有效自重之比不大于1。
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| 关 键 词： | 塑料排水板 预制桩 超静孔隙水压力 消散 |
| 收稿时间： | 2011-06-08 |
Distribution and dissipation laws of excess static pore water pressures induced by pile driving in saturated soft clay with driven plastic drainage plates |
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| HU Xiang-qian,JIAO Zhi-bin,LI Yun-hui.Distribution and dissipation laws of excess static pore water pressures induced by pile driving in saturated soft clay with driven plastic drainage plates[J].Rock and Soil Mechanics,2011,32(12):3733-3737. |
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| Authors: | HU Xiang-qian JIAO Zhi-bin LI Yun-hui |
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| Institution: | 1. School of Transportation, Southeast University, Nanjing 210096, China; 2. Nanjing Hydraulic Research Institute, Nanjing 210029, China |
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| Abstract: | Based on an engineering case of the construction of prefabricated piles for Chizhou Power Plant,the distribution and dissipation laws of excess static pore water pressures induced by pile driving(prefabricated square piles) in the saturated soft clay with driven plastic drainage plates are introduced.The factors influencing the distribution and dissipation of the excess static pore water pressures in soils are analyzed.The test results show that the spacing of prefabricated piles in the saturated soft clay ... |
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| Keywords: | plastic drainage plate prefabricated pile excess static pore water pressure dissipation |
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