›› 2013, Vol. 34 ›› Issue (8): 2204-2210.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study of ultimate pullout force of anchor cable considering non-homogeneity and anisotropy of soil mass

WANG Hong-tao1, 2, WANG Qi1, 2, YOU Chun-an3, LI Shu-cai1, WANG De-chao1, WANG Xin1   

  1. 1. Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan 250061, China; 2. State Key Laboratory of Mining Disaster Prevention and Control, Shandong University of Science and Technology, Qingdao, Shandong 266590, China; 3. College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, Shandong 266590, China
  • Received:2012-06-09 Online:2013-08-12 Published:2013-08-13

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Abstract: Considering the non-homogeneity and anisotropy of soil mass, according to the shape of rapture surface of anchor cable and nonlinear failure criterion, a formula of ultimate pullout force of anchor cable, considering the non-homogeneity, anisotropy, nonlinear failure characteristics and many other factors, is deduced based on limit equilibrium principle. Theoretical calculations are conducted to analyze the influences of non-homogeneity parameters, anisotropy parameters and nonlinear parameters on ultimate pullout forces of anchor cables. The results reveal that, with the increase of non-homogeneity parameters, the ultimate bearing capacity of anchor cable increases; but with the increase of anisotropy parameters and nonlinear parameters, the bearing capacity of anchor cable decreases; the rupture width expands with the increase of non-homogeneity parameters and anisotropy parameters, which provides a certain reference for the design of anchorage body.

Key words: non-homogeneity, anisotropy, nonlinear failure criterion, limiting equilibrium, anchor cable, ultimate pullout force

CLC Number: 

  • TU 433
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