Slope stability analysis based on the blind data theory

ZHAO Zhi-feng; XU Wei-ya

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Slope stability analysis based on the blind data theory

更新时间：2026-06-25

- Slope stability analysis based on the blind data theory
- Vol. 28, Issue 11, (2007)
- 作者机构：
  
  河海大学岩土工程研究所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU47
- Online First：18 October 2013，
  
  Published：2007
- 稿件说明：
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ZHAO Zhi-feng, XU Wei-ya. Slope stability analysis based on the blind data theory[J]. 2007, 28(11).
DOI：

ZHAO Zhi-feng, XU Wei-ya. Slope stability analysis based on the blind data theory[J]. 2007, 28(11). DOI：

摘要

岩土工程中的各种信息普遍存在着随机性、模糊性、灰性及未确知性等不确定性，由于实际情况的复杂和试验资料的不足，计算参数往往是多种不确定性的混合体。针对这一特点，利用盲数来表达计算参数的不确定性，将盲信息的数学理论引入到边坡稳定的刚体极限平衡计算方法中，提出了一种安全系数计算的新方法。运用盲数运算法则计算出安全系数在不同的取值区间内的可信度，从而为判断边坡的稳定状态提供了更全面的依据，克服了传统方法描述过于绝对化的问题。实例研究表明，盲数在边坡稳定分析中能更好地考虑参数的不确定性情况，得到的结果更可靠，有较好的实用价值。

Abstract

Uncertainty information such as random

fuzzy

gray

unsure message widely exists in the geotechnical engineering. Due to the complexity of the practical situation and deficiency of experiment data

calculation parameters are usually the mixture of multi uncertainty. Against this character

using the blind data to express the uncertainty of the calculation parameters

the theory of blind information is applied to the rigid limiting equilibrium method for slope stability; and a new method of computing safety factor is put forward. The corresponding confidence level of safety factor in different numerical value intervals is computed by use of blind data algorithms; consequently the more comprehensive result is provided to judge the stability state of slope

overcoming the defect of absolutely definitive description in the traditional methods. The case study indicates that the blind data can consider the practical situation better in the slope stability analysis; and the result is more detailed and reliable

having good practical values.

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