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Volume 34 Issue 3
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YANG Wei-hao, YANG Zhi-jiang, HAN Tao, ZHANG Chi, BO Dong-liang. Elastic design theory of frozen soil wall based on interaction between frozen soil wall and surrounding rock[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(3): 516-519.
Citation: YANG Wei-hao, YANG Zhi-jiang, HAN Tao, ZHANG Chi, BO Dong-liang. Elastic design theory of frozen soil wall based on interaction between frozen soil wall and surrounding rock[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(3): 516-519.
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Elastic design theory of frozen soil wall based on interaction between frozen soil wall and surrounding rock

  • 1. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China ; 2. School of Mechanics and Civil Engineering, China University of Mining & Technology, Xuzhou 221008, China

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  • Received Date: December 20, 2010
  • Published Date: March 29, 2012
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    • Abstract
  • The design theory of frozen soil wall is one of the core technologies for mine shaft freezing sinking. The conventional elastic design formula for the thickness of frozen soil wall has large errors in case the modulus ratio of frozen soil wall to surrounding rock is less than 10. Taking into account the effect of excavation unloading and the interaction between frozen soil wall and surrounding rock, a more practical mechanical model is established for a more rational design of frozen soil wall. Its analytical solutions of elasticity are derived. The variation laws of stresses and displacements in frozen soil wall and surrounding rock are analysed. The design methods for the thickness of frozen soil wall are discussed. Based on Tresca strength condition and Mises strength condition respectively , two new elastic design formulae for the thickness of frozen soil wall are put forward. Analyses and comparisons show that the proposed formulae are more reasonable and more economical than the traditional elastic design formula for the thickness of frozen soil wall.
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    • References (5)
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    崔广心 . 深厚表土中圆筒形冻结壁和井壁的力学分析 [J]. 煤炭科学技术 , 2008, 36 (10): 17 – 21. (CUI Guang-xin. Mechanical analysis on cylindrical frozen soil wall and mine shaft lining in deep overburden[J]. Coal Science and Technology, 2008, 36 (10): 17 – 21. (in Chinese))
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