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在含裂隙的岩盐中建造地下天然气储库工程必须研究裂隙岩体的气体渗流规律,以确保地下储气库工程安全运行,防止天然气渗漏。提出了岩体和裂隙的变形场与天然气渗流场的耦合模型,并建立了有限元分析的数值解法,在建设地下天然气储库确定气库的运行气压时可提供一些依据,对评价天然气储库的稳定性有参考意义。
The construction of underground natural gas reservoirs in fractured rock salt must study gas seepage law of fractured rock mass to ensure the safe operation of underground gas storage project and prevent natural gas leakage. The coupling model between deformation field of rock mass and fracture and natural gas seepage field is put forward and the numerical solution of finite element analysis is established. It can provide some bases for the construction of underground gas reservoir to determine the operating pressure of gas reservoir. The stability of the reference.