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Volume 35 Issue 10
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YANG Wei-hao, DU Zi-bo, YANG Zhi-jiang, BO Dong-liang. Plastic design theory of frozen soil wall based on interaction between frozen soil wall and surrounding rock[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(10): 1857-1862.
Citation: YANG Wei-hao, DU Zi-bo, YANG Zhi-jiang, BO Dong-liang. Plastic design theory of frozen soil wall based on interaction between frozen soil wall and surrounding rock[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(10): 1857-1862.
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Plastic design theory of frozen soil wall based on interaction between frozen soil wall and surrounding rock

  • 1. State Key Laboratory for Geo-mechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221116, China; 2. School of Mechanics and Civil Engineering, China University of Mining & Technology, Xuzhou 221116, China

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  • Received Date: December 22, 2012
  • Published Date: October 19, 2013
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    • Abstract
  • The design theory of frozen soil wall (FSW) is one of the core technologies for mine shaft freezing sinking. The conventional plastic design formula for the thickness of FSW is deduced under loading conditions. It does not take into account the interaction between FSW and surrounding rock and the effect of angle of internal friction, and it has a greater error compared with the actual situation. For a more rational design of FSW, considering the excavation unloading effect and the interaction between FSW and its surrounding rock, an elastic-plastic mechanical model is established, and analytical solutions for stress and displacement are derived. The influences of various factors on the thickness of FSW are discussed. A new formula for the thickness of plastic FSW is developed on the basis of the solutions. The analyses show that the new formula is more reasonable than the traditional one, and the use of the Coulomb-Mohr yielding criterion for calculating the thickness of FSW is suggested.
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    • References (5)
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    翁家杰. 井巷特殊施工[M]. 北京: 煤炭工业出版社, 1991. (WENG Jia-jie. Special construction engineering of mine shaft and drift[M]. Beijing: Coal Industry Press, 1991. (in Chinese))
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    崔广心, 杨维好, 吕恒林. 深厚表土层中的冻结壁和井壁[M]. 徐州: 中国矿业大学出版社, 1998. (CUI Guang-xin, YANG Wei-hao, LÜ Heng-lin. Frozen soil wall and mining shaft lining in deep alluvium[M]. Xuzhou: China University of Mining & Technology Press, 1998. (in Chinese))
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    郑颖人, 沈珠江, 龚晓南. 岩土塑性力学原理[M]. 北京: 中国建筑工业出版社, 2003. (ZHENG Ying-ren, SHEN Zhu-jiang, GONG Xiao-nan. The principles of geotechnical plastic mechanics[M]. Beijing: China Architecture and Building Press, 2003. (in Chinese))
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    杨维好, 杨志江, 柏东良. 基于与围岩相互作用的冻结壁弹塑性设计理论[J]. 岩土工程学报, 2013, 35(1): 175-180. (YANG Wei-hao, YANG Zhi-jiang, BO Dong-liang. The elastic-plastic design theory of frozen soil wall based on the interaction between frozen wall and surrounding rock [J]. Chinese Journal of Geotechnical Engineering, 2013, 35(1): 175-180. (in Chinese))
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    杨维好, 杨志江, 韩 涛, 等. 基于与围岩相互作用的冻结壁弹性设计理论[J]. 岩土工程学报, 2012, 34(3): 516-519. (YANG Wei-hao, YANG Zhi-jiang, HAN Tao, et al. 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. (in Chinese))
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