Study on a application of CT to grouting effect test of overlength piles

HUANG Sheng-gen; ZHANG Jian; GONG Wei-ming

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Study on a application of CT to grouting effect test of overlength piles

更新时间：2026-06-25

- Study on a application of CT to grouting effect test of overlength piles
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  1. 中国地质大学（武汉）工程学院,武汉,430074
  2. 东南大学土木工程学院,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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HUANG Sheng-gen, ZHANG Jian, GONG Wei-ming. Study on a application of CT to grouting effect test of overlength piles[J]. 2006, 27(S2).
DOI：

HUANG Sheng-gen, ZHANG Jian, GONG Wei-ming. Study on a application of CT to grouting effect test of overlength piles[J]. 2006, 27(S2). DOI：

摘要

超声波CT检测的主要物理量是超声波速度，可以区分加固体的强度和密度；电磁波CT检测的物理量是吸收系数，可以区分注浆体的分布。采用CT检测技术，对苏通大桥主墩群桩的后压浆效果进行了评价。根据取芯结果和CT检测成果的对比分析，综合应用超声波CT和电磁波CT技术对超长桩压浆效果进行检测是可行的。

Abstract

The wave velocity is the main physical parameter of ultrasonic wave CT test

it can distinguish the change of strength and density in reinforced section. The absorption coefficient is the main physical parameter of electromagnetic CT; it can determine the distribution of the reinforced section. CT has been applied to evaluate the grouting effect of group piles in Su-Tong Bridge. According to the results of coring and CT test

it is practicable to apply ultrasonic wave CT and electromagnetic CT synthetically to test the grouting effect of overlength piles.

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