Chunan Tang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME

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Language:English

Paper Publications

Title of Paper:具有不同倾角层状结构面岩体中隧道稳定性数值分析

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Date of Publication:2006-11-30

Journal:东北大学学报(自然科学版)

Included Journals:Scopus、EI、PKU、ISTIC

Volume:27

Issue:11

Page Number:1275-1278

ISSN No.:1005-3026

Key Words:结构面;隧道;破坏;数值模拟;岩体;RFPA

Abstract:通过引入细观层次的微元体,采用损伤力学和统计理论的单元本构模型, 利用岩石破裂过程分析软件RFPA(realistic failure process analysis),对具有不同倾角层状软弱结构面岩体中隧道的变形破坏特征、隧道周边关键部位的位移进行了分析.结果表明,层状结构面倾角大小对围岩的破坏失稳模式有显著的影响.随结构面倾角的增大,隧道周边应力分布的非对称性逐渐增强,从而造成了破坏模式的非对称性.结构面倾角增大对边墙的受力有不利影响.这对于进一步深入理解具有软弱结构面中隧道破坏失稳机理并采取有效的加固措施等具有理论和实践意义.

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