›› 2011, Vol. 32 ›› Issue (S2): 507-513.

• Geotechnical Engineering • Previous Articles     Next Articles

Application of deformation stability theory to optimization design of gas storage in salt rock

DENG Jian-qiang, LÜ Qing-chao, YANG Qiang, LIU Yao-ru   

  1. State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China
  • Online:2011-08-10 Published:2011-08-26

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Abstract: In order to solve the problem of optimization design for cavern shape and caverns layout of salt rock gas storage, the deformation reinforcement theory is developed and improved into deformation stability theory. The relation curve of plastic complementary energy versus strength reduction factor, K- relation curve, is used as the global stability criterion of cavern cluster. On the basis of deformation stability theory, the global stability of caverns with different shapes and layouts is quantitatively assessed. The shape and layout of caverns are optimized; and then the most stable and safe cavern shape and layout are obtained. The results of study indicate that the deformation stability theory pro vides practical and effective theory and method for the optimization design of cavern shape and caverns layout of salt rock gas storage.

Key words: deformation stability theory, plastic complementary energy, unbalanced force, salt rock, gas storage, optimization design

CLC Number: 

  • TU 443
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