›› 2006, Vol. 27 ›› Issue (4): 625-628.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Mechanism analysis of fracture grouting in soil

ZOU Jin-feng1, LI Liang1, YANG Xiao-li1, HU Zhen-nan2   

  1. 1. School of Civil Engineering & Architecture, Central South University, Changsha 410075, China; 2. Changsha University of Science and Technology, Changsha 410076, China
  • Received:2005-03-25 Online:2006-04-10 Published:2013-11-05

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Abstract: In order to analyze the mechanical mechanism of fracture grouting during the early phase by using the theory of large-deformation and plastic mechanics, the early phase of fracture grouting is regarded as the question of cavity expansion in infinite soil. The stress distribution due to the cavity expansion in soil is considered as three zones. The deformation following little deformation in elastic zone and large-deformation in plastic zone is taken into consideration. On the bases of the stress equilibrium equation and continuous boundary condition of stress and deformation, the stress distribution in three zones, the terminal radius and grouting pressure are obtained. According to the compassion, the results of the present theory is very near to the outcome of the engineering practice.

Key words: fracture grouting, large strain, radius, pressure, cavity expansion

CLC Number: 

  • TU 435
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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