Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Academic Titles: 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
Paper Publications
煤层底板下隐伏陷落柱的滞后突水机理[J]
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Indexed by:Journal Article
Date of Publication:2009-01-01
Journal:煤炭学报
Included Journals:EI、Scopus、CSCD、ISTIC、PKU
Volume:34
Issue:9
Page Number:1212-1216
Key Words:陷落柱; 滞后突水; 损伤; 承压水; 突水通道
Abstract:应用有限元数值计算方法,模拟研究了含隐伏陷落柱煤层底板在采动应力扰动和高承压水共同作用下陷落柱活化、裂隙萌生、裂隙扩张、突水通道贯通形成的全过程
,通过对损伤场、变形场、应力场和渗流场的解读,对突水通道进行时空基准标定,并就陷落柱发育高度、承压水水压力大小对突水滞后时间的影响进行了分析探讨
,从岩体在长期的环境影响、载荷作用下损伤演化、物理力学性能退化的角度,揭示了煤层底板下隐伏陷落柱的滞后突水机理.