Study on test and numerical simulation of soil disturbed around pile by
dry jet mixing pile construction

ZHANG Qing-song; LI Shu-cai; LIU Song-yu; DU Guang-yin

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Study on test and numerical simulation of soil disturbed around pile by dry jet mixing pile construction

更新时间：2026-06-25

- Study on test and numerical simulation of soil disturbed around pile by dry jet mixing pile construction
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 山东大学岩土工程中心,济南,250061
  2. 东南大学岩土工程研究所,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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ZHANG Qing-song, LI Shu-cai, LIU Song-yu, et al. Study on test and numerical simulation of soil disturbed around pile by dry jet mixing pile construction[J]. 2006, 27(S1).
DOI：

ZHANG Qing-song, LI Shu-cai, LIU Song-yu, et al. Study on test and numerical simulation of soil disturbed around pile by dry jet mixing pile construction[J]. 2006, 27(S1). DOI：

摘要

软基处理是高速公路建设中的关键技术问题，粉喷桩是一种经常被采用的方法。通过现场试验，研究了粉喷桩施工过程中和施工结束后桩周土孔隙水压力的增长消散规律以及桩周土体强度随龄期的变化规律，并用数值分析的方法进行了进一步分析，得到了孔隙水压力与深度和距桩水平距离的变化关系，从试验和理论两个方面揭示了桩周土受粉喷桩施工扰动的变化规律。

Abstract

Soft foundation treatment is a key technology problem in highway construction; dry jet mixing pile is often applied to soft foundation treatment. By the in-situ test

the dissipation laws of pore water pressure in the course of dry jet mixing pile construction and the developing laws of soil strength along with time are studied. According to the numerical simulation analysis

the developing laws of pore water pressure along with depth and horizontal distance are obtained. The developing laws of the soil strength because of disturbance by the dry jet mixing pile construction are revealed from the test aspect and theory aspect.

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