Distribution and dissipation laws of excess static pore water pressures induced by pile driving in saturated soft clay with driven plastic drainage plates

HU Xiang-qian; JIAO Zhi-bin; LI Yun-hui

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Distribution and dissipation laws of excess static pore water pressures induced by pile driving in saturated soft clay with driven plastic drainage plates

更新时间：2026-06-25

- Distribution and dissipation laws of excess static pore water pressures induced by pile driving in saturated soft clay with driven plastic drainage plates
- Vol. 32, Issue 12, (2011)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473.1
- Online First：13 December 2011，
  
  Published：2011
- 稿件说明：
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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]. 2011, 32(12).
DOI：

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]. 2011, 32(12). DOI：

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。

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 during their construction should be larger than 3 m; and the time interval should be 6-8 h. The control parameter for the construction of prefabricated piles is that the ratio of excess static pore water pressure to effective weight of superimposed soil should not be larger than 1.

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