Calculation method for fuzzy random reliability of vertical bearing piles

LI Jing-pei; SHU Xiang

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Calculation method for fuzzy random reliability of vertical bearing piles

更新时间：2026-06-25

- Calculation method for fuzzy random reliability of vertical bearing piles
- Vol. 23, Issue 6, (2002)
- 作者机构：
  
  同济大学地下系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473.1
- Online First：04 September 2016，
  
  Published：2002
- 稿件说明：
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LI Jing-pei, SHU Xiang. Calculation method for fuzzy random reliability of vertical bearing piles[J]. 2002, 23(6).
DOI：

LI Jing-pei, SHU Xiang. Calculation method for fuzzy random reliability of vertical bearing piles[J]. 2002, 23(6). DOI：

摘要

根据桩顶沉降率来描述桩基的承载过程，并将沉降率视作模糊随机变量，同时，考虑了桩基失效具有的模糊性和随机性。通过模糊统计法，确定了对失效的隶属函数，再用概率统计方法求得了的分布参数。导出了桩基承载可靠度和可靠性指标的计算方法。通过实例计算，证明该方法对分析桩基承载可靠性既合理又实用。

Abstract

The settlenment rate of piletop is used to describe the bearing process of piles and the settlenment rate is taken as a fuzzy random variable considering the fuzziness and randomness of the failure of piles. The membership function of in the failure state is determined with fuzzy statistics method and the distribution parameter of is obtained with the probability statistics method. The calculation method for the reliability and the reliability index of pile foundation is derived and it is demonstrated through examples to be theoretically innovative and practically useful in the reliability analysis of the load bearing of pile foundation.

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