Significance of expansive soil classification indexes analysed by rough sets

DING Jia-ming1; 2; WANG Yong-he1

doi:10.16285/j.rsm.2006.09.016

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Significance of expansive soil classification indexes analysed by rough sets

更新时间：2026-06-25

- Significance of expansive soil classification indexes analysed by rough sets
- Issue 9, Pages: 1514-1518(2006)
- 作者机构：
  
  1. 中南大学土木建筑学院
  2. 中南大学土木建筑学院长沙410075长沙理工大学公路工程学院
  3. ,长沙,410076
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2006.09.016
  CLC： TU443
- Published：2006
- 稿件说明：
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[1]丁加明,王永和,丁力行.基于粗糙集的膨胀土分级指标重要性分析[J].岩土力学,2006(09):1514-1518.

DING Jia-ming1, 2, WANG Yong-he1. Significance of expansive soil classification indexes analysed by rough sets[J]. 2006, (9): 1514-1518.
[1]丁加明,王永和,丁力行.基于粗糙集的膨胀土分级指标重要性分析[J].岩土力学,2006(09):1514-1518. DOI： 10.16285/j.rsm.2006.09.016.

DING Jia-ming1, 2, WANG Yong-he1. Significance of expansive soil classification indexes analysed by rough sets[J]. 2006, (9): 1514-1518. DOI： 10.16285/j.rsm.2006.09.016.

摘要

现行的膨胀土分级指标相互之间存在一定的关联

具有不同的重要性。提出了运用粗糙集理论完善和优化膨胀土胀缩指标体系的分析方法

通过计算膨胀土评判指标与评判结果的粗糙依赖度来确定评价指标的重要性。计算结果表明

自由膨胀率、膨胀力、50kPa压力下的膨胀率和胀缩总率4个指标中

自由膨胀率是评判膨胀土胀缩等级的1个最重要的指标

膨胀力、50kPa压力下的膨胀率和胀缩总率的重要性依次降低。所提出的分析方法为优化与改进膨胀土胀缩等级评判指标体系提供了合理而有效的依据。

Abstract

The significance of indexes is confirmed by calculating rough dependability between indexes and result for appraisement. The free expansion ratio is the most significant index to classify expansive soil with free expansion ratio

swelling force

expansion ratio under 50 kPa and swell-shrink total ratio. Swelling force

expansion ratio under 50kPa and swell-shrink total ratio are in descending order of significance. A new analyzing method is presented by the rough sets theory; and it is reasonable and effective for optimizing algorithm of expansive soil classification index system.

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Related Institution

State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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