Study on rising height of grout along a pile after 
grouting and effect of grout on soils

HUANG Sheng-gen

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Study on rising height of grout along a pile after grouting and effect of grout on soils

更新时间：2026-06-25

- Study on rising height of grout along a pile after grouting and effect of grout on soils
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  中国地质大学（武汉）工程学院,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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HUANG Sheng-gen. Study on rising height of grout along a pile after grouting and effect of grout on soils[J]. 2006, 27(S1).
DOI：

HUANG Sheng-gen. Study on rising height of grout along a pile after grouting and effect of grout on soils[J]. 2006, 27(S1). DOI：

摘要

在后压浆过程中，普遍存在浆液沿钻孔灌注桩上升的现象。在压力作用下，浆液沿着桩土间软弱层向上运动，对桩侧土进行挤压，在使桩径扩大的同时，对桩周土进行加固。通过对后压浆作用机制进行分析，利用宾汉流体的本构方程与运动方程推导出浆液上升高度的计算公式；应用圆柱孔扩张理论，分别推导出桩周土处于弹性状态和弹塑性状态时的径向位移计算公式。计算结果与实际工程的实测结果进行对比，基本吻合。

Abstract

Grout rising along a pile is a general phenomenon in the process of post-grouting. The grout flew upward along the weak layer under pressure

squeezing the soil to a larger diameter and improving the shaft friction. By analyzing the mechanism of post grouting and applying the Bingham constitutive model and flowing equation

the formula to calculate the grout rising height was given. The formula to calculate radial displacement of soils around a pile was given by applying cavity-expanding theory. Compared with the measured results of a project

the calculated values were satisfactory relatively.

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