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判断煤与瓦斯突出危险性的三维模型

DOI: 10.6052/1000-0879-13-392, PP. 168-171

Keywords: 有效应力,弹脆性,层裂-粉化,混相模型

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Abstract:

根据有效应力原理,建立瓦斯压力和煤体变形之间的耦合关系.在地应力和瓦斯压力的共同作用下,煤体发生弹脆性破坏,之后发展为层裂-粉化破坏,据此判断发生煤与瓦斯突出的危险性.根据一维煤激波管瓦斯突出实验,结合一维混相流动模型,进行了数值验证,证实了模型的可靠性.

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