Soft ground settlement after construction prediction with flat dilatometer test

XIANG Xian-chao; WANG Ren; ZHU Chang-chi

doi:10.16285/j.rsm.2005.s1.030

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Soft ground settlement after construction prediction with flat dilatometer test

更新时间：2026-06-25

- Soft ground settlement after construction prediction with flat dilatometer test
- Issue S1, Pages: 126-128(2005)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学重点实验室
  2. 中国科学院武汉岩土力学研究所岩土力学重点实验室,武汉,430071
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2005.s1.030
  CLC： TU447
- Published：2005
- 稿件说明：
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[1]向先超,汪稔,朱长歧.用扁铲侧胀试验计算软基处理工后沉降[J].岩土力学,2005(S1):126-128.

XIANG Xian-chao, WANG Ren, ZHU Chang-chi. Soft ground settlement after construction prediction with flat dilatometer test[J]. 2005, (S1): 126-128.
[1]向先超,汪稔,朱长歧.用扁铲侧胀试验计算软基处理工后沉降[J].岩土力学,2005(S1):126-128. DOI： 10.16285/j.rsm.2005.s1.030.

XIANG Xian-chao, WANG Ren, ZHU Chang-chi. Soft ground settlement after construction prediction with flat dilatometer test[J]. 2005, (S1): 126-128. DOI： 10.16285/j.rsm.2005.s1.030.

摘要

准确预测软基工后沉降对评价软基处理方法、提高软基处理质量非常重要。Marchetti提出了运用扁铲侧胀试验计算砂和一般土的沉降公式。该试验具有准确快捷、对土扰动小的特点

但用于计算加载初期的结构性软土误差却较大。软基处理后沉降趋于稳定。利用处理后的扁铲侧胀试验数据

借鉴Marchetti公式

预测工后沉降。通过与其他几种常规计算方法的比较

表明该方法能更加准确地计算软基工后沉降。

Abstract

The accurate prediction of soft ground settlement after construction is very important to evaluate the treatment method and promote treatment quality. Flat dilatometer test （DMT） can get soft soil property quickly and exactly. A settlement calculation formula of sand and common soil was given by Matchetti; but it is not fit to structural soft soil in the beginning loading. After treatment

soft ground settlement tends to stable; and DMT data and Marchetti formula can be used to predict settlement after construction. A conclusion is drawn from the comparison with several other ordinary methods that DMT can predict soft ground settlement after construction more exactly.

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