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
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Paper Publications
自然崩落法采矿矿岩崩落过程数值模拟研究
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Indexed by:Journal Article
Date of Publication:2011-12-15
Journal:金属矿山
Included Journals:ISTIC、PKU
Issue:12
Page Number:13-17
ISSN:1001-1250
Key Words:崩落法;地表沉陷;应力演化;数值模拟
Abstract:由崩落法开采引起的矿岩崩落及其诱发的地表沉陷是一个复杂的空间与时间关系问题.以CEMI的“矿块崩落与地表沉陷模拟”项目为研究背景,利用数值模拟方法研究了深部、大规模自然崩落开采矿岩崩落的基本规律.数值模拟捕捉到了矿岩崩落过程中压力平衡拱的演化,以及裂隙萌生、扩展、贯穿岩桥的过程,研究表明,压力平衡拱的动态演化是矿岩崩落出现间歇和跳跃的内在动因,陷落角、起裂角和地表沉陷模式都受控于矿岩的崩落状态.