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摘要
The main purpose of this study is to investigate the stress distribution around an underground gas storage cavern in a bedded salt rock formation. First, considering the characteristics of the salt rock formations in China, the mechanical model was simplified into a hollow cylinder which contains a non-salt interlayer. Subsequently, based on the theory of elasticity, the Love displacement function was established, and the general solution of stress components was obtained using the boundary and continuity conditions for this problem. To verify the validity of the analytical solution, a numerical simulation was performed. Comparison between the analytical solution results and the numerical simulation results shows a relatively good agreement. Thus, the analytical solution could be used to describe the characteristics of stress distribution around the gas storage cavern containing the non-salt layer, which is constructed in the bedded salt rock. Published by AIP Publishing.
