›› 2008, Vol. 29 ›› Issue (6): 1517-1520.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Distribution of stresses on bonded length of compression type rock bolt

LU Li, ZHANG Yong-xing, WU Shu-guang   

  1. College of Civil Engineering ,Chongqing University, Chongqing 400045, China
  • Received:2006-10-10 Online:2008-06-10 Published:2013-07-15

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Abstract: According to the Kelvin’s solution，considering three-dimensional stress state，the distribution formulas of normal stress and shear stress(that is, friction on the interface between the grout and the rock) along bonded length of compression type rock bolt are derived. Comparing with the in-situ experimental data, dependability of the formulas are proved. The stresses distribution along bonded length is analyzed with various parameters of soft rocks. This research offers a basis for the compression type rock bolts.

Key words: compression type rock bolt, bonded length, shear stress, elastic analysis

CLC Number: 

  • TU 431
  • 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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