Time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil

CHEN Lan-yun; CHEN Yun-min; ZHANG Wei-min

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Time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil

更新时间：2026-06-25

- Time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil
- Vol. 27, Issue 3, (2006)
- 作者机构：
  
  1. 金华学院建筑工程系,浙江,金华,321017
  2. 浙江大学岩土工程研究所,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：06 November 2013，
  
  Published：2006
- 稿件说明：
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CHEN Lan-yun, CHEN Yun-min, ZHANG Wei-min. Time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil[J]. 2006, 27(3).
DOI：

CHEN Lan-yun, CHEN Yun-min, ZHANG Wei-min. Time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil[J]. 2006, 27(3). DOI：

摘要

针对目前饱和软土中钻孔灌注桩竖向承载力时间效应研究不多的情况，结合现场试验对饱和软土钻孔灌注桩承载力时间效应机理进行了分析。结果表明：随着时间增长，桩周被扰动土的结构强度逐渐恢复，摩阻力逐渐增加，钻孔灌注桩竖向承载力呈现一定的时效性，但不宜扩大桩竖向承载力的时效作用，时间效应可对桩竖向极限承载力产生10 %以上的影响。

Abstract

The research of time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil is few at present. Through analyzing the mechanism of time-effect on bearing capacity of single drilled grouting pile in saturated soft soil and in-situ test

it shows that the frame intensity of the disturbed soil around the pile come back lentamente with the time went by. The friction between the soil and the pile enhanced slowly

it shows stated time-effect. The research indicates that the time-effect on vertical bearing capacity of single drilled grouting pile in saturated soft soil can’t be enlarged at actual test

the time-effect can affect more than 10 percent of the ultimate bearing capacity of single pile.

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