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:岩巷掘进诱发煤与瓦斯突出过程的数值模拟

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Date of Publication:2007-10-25

Page Number:350-357

Key Words:煤与瓦斯突出;瓦斯煤岩;岩巷掘进;突出过程;数值模拟;变形破裂

Abstract:本文运用真实破裂过程耦合分析RFPA2D系统,首先通过再现含瓦斯煤岩试样突出过程的实验室试验结果验证RFPA2D系统是研究煤与瓦斯突出的合适工具;然后应用RFPA2D对急倾斜含瓦斯煤层中的石门揭煤突出过程进行了数值模拟研究。模拟结果再现了含瓦斯煤岩中裂纹的萌生、扩展、贯通直至煤岩抛出的突出全过程,并通过含瓦斯煤岩变形、破裂过程中的应力场演化说明了地应力、瓦斯压力以及煤体力学性质对诱发突出的综合作用。

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