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:孔隙压力在瓦斯突出过程中的作用机理研究
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Date of Publication:2009-01-10
Journal:煤矿安全
Included Journals:PKU
Volume:40
Issue:1
Page Number:3-6
ISSN No.:1003-496X
Key Words:孔隙压力;RFPA2D-GasFlow;非均匀性;煤与瓦斯突出;数值试验
Abstract:考虑了煤岩体物理力学性质的非均匀性和非连续性的特点,应用岩石破裂过程分析系统(RFPA2D-GasFlow),对不同孔隙压力下煤体发生瓦斯突出的特征进行数值试验研究,分析了孔隙压力对瓦斯突出的影响.研究结果表明,不同孔隙压力条件下,煤体的破裂形式及瓦斯突出特征是不同的:当孔隙压力较小时,煤体产生剪切破坏,形成煤体倾出,此时,地应力在瓦斯突出中起主导作用.
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