›› 2012, Vol. 33 ›› Issue (3): 925-932.

• Numerical Analysis • Previous Articles     Next Articles

Numerical model building for consolidation deformation of cemented mortar for shield tail grouting

YUAN Xiao-hui1, HAN Yue-wang2, ZHONG Xiao-chun3   

  1. 1. College of Civil and Transportation Engineering, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China; 2. Zhengzhou Rail Traffic Co., Ltd., Zhengzhou 450046, China; 3. College of Civil Engineering, Hohai University, Nanjing 210098, China
  • Received:2010-11-22 Online:2012-03-10 Published:2012-03-12

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Abstract: In order to evaluate the deformation control mechanism of shield tail void grouting, the influence of cementation on consolidation process of cemented mortar is studied by the self-made experimental apparatus of consolidation deformation. On this basis, consolidation deformation model of cemented mortar is built, which can reflect the influence of cementation. The numerical calculation program is made, which is verified by experimental results. The numerical calculation model of cemented mortar consolidation deformation will play an important role to improve the simulation accuracy of shield tunnel construction.

Key words: shield tunnel, shield tail grouting, cemented mortar, cementation, consolidation model, numerical calculation

CLC Number: 

  • U 25
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