Abstract
The existence of interlayers has great influence on the stability of salt cavern. Based on the research results of creep test and other mechanical properties of salt rock and interlayer in Yunying Salt Mine, Hubei Province, cylindrical singular calculation model of salt rock cavity is built, and the corresponding simulation is conducted. Hard interlayer’s constraint influence on the creep contraction deformation of salt cavity is demonstrated. In addition, how the number of interlayers affects cavity radial deformation is discussed too. The results are important to oil-gas storage cavern modeling analysis in laminated salt rock.
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