Study on ultimate bearing capacity of static pressed pile based on excess pore water pressure dissipation

WANG Wei; LU Ting-hao; ZAI Jin-min; WANG Xu-dong

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Study on ultimate bearing capacity of static pressed pile based on excess pore water pressure dissipation

更新时间：2026-06-25

- Study on ultimate bearing capacity of static pressed pile based on excess pore water pressure dissipation
- Vol. 26, Issue 11, (2005)
- 作者机构：
  
  河海大学岩土工程研究所，南京 210098，2. 南京工业大学岩土工程研究所,南京,210009
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：03 January 2014，
  
  Published：2005
- 稿件说明：
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WANG Wei, LU Ting-hao, ZAI Jin-min, et al. Study on ultimate bearing capacity of static pressed pile based on excess pore water pressure dissipation[J]. 2005, 26(11).
DOI：

WANG Wei, LU Ting-hao, ZAI Jin-min, et al. Study on ultimate bearing capacity of static pressed pile based on excess pore water pressure dissipation[J]. 2005, 26(11). DOI：

摘要

预制桩承载力的时间效应是岩土工程中一个重要的课题。基于饱和软土中静压桩单桩引起的三维超静孔隙水压力的消散和桩周土的固结，考虑桩土接触面的破坏形式，获得了估算考虑时间效应的单桩极限承载力的解析解。分析表明，在饱和软土中静压预制桩单桩在50 d时的极限承载力可达到最终极限承载力的70 %左右。最后，通过2个工程实例验证了该方法的可行性。

Abstract

Based on dissipation of 3-D excess pore water pressure due to static pressed pile in soft clay

consolidation of the clay around the pile and failure model of pile-soil interface

an analytical solution to estimate time-depended ultimate bearing capacity of the static pressed pile was obtained. To static pressed pile in soft clay

the presented solution shows that the ultimate bearing capacity of 50 d may reach 70 % that of the final capacity. Results from the presented solution are in agreement with site tests.

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