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
Title of Paper:强度折减法在岩石隧道稳定性研究中的应用
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Date of Publication:2007-06-15
Journal:力学与实践
Included Journals:PKU、ISTIC、CSCD
Volume:29
Issue:3
Page Number:50-55
ISSN No.:1000-0879
Key Words:RFPA;有限元;强度折减;岩石;隧道
Abstract:基于岩石为非均匀性材料的认识,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,提出将RFPA强度折减法运用于隧道稳定性评价.RFPA有限元强度折减法不但可以给出极限荷载以及隧道安全系数,而且可以直观显现围岩裂纹从萌生到扩展直至贯通导致隧道破坏失稳的全过程.对于工程实施之前的稳定性预评价以及采用合理的支护形式具有一定的参考价值.
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