Shuli Fan   

Associate Professor
Supervisor of Master's Candidates

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Language:English

Paper Publications

Title of Paper:考虑岩体节理分布特性的各向异性强度准则研究

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Date of Publication:2011-02-15

Journal:岩石力学与工程学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:30

Issue:2

Page Number:313-319

ISSN No.:1000-6915

Key Words:岩石力学;网络模拟;各向异性强度准则;Mohr-Coulomb准则;Rankine准则;数值分析

Abstract:针对岩体节理分布的特性,以Mohr-Coulomb和Rankine准则为基础,引入结构面网络模拟计算所得的岩体连通率和强度参数,研究岩体在各向异性强度准则下的理论方法.在此基础上,对岩体各向异性强度准则及其数值实现方法进行研究,并编制相应的计算程序对坝体-岩基系统的深层滑动面进行动力分析.分析结果表明,岩体在各向异性强度准则下的破坏面不一定与最大剪应力面重合;综合考虑Mohr-Coulomb和Rankine准则可改进Mohr-Coulomb准则对岩体抗拉强度过高估计的缺点,更符合工程实际;所建立的各向异性强度准则能真实地模拟各向抗力与响应的相互关系所反映的节理裂隙岩体的破坏特征.

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