›› 2010, Vol. 31 ›› Issue (2): 599-603.

• Geotechnical Engineering • Previous Articles     Next Articles

Loading transfer mechanism of dispersion-type tensile cables along anchoring section

DING Yu 1, 2, WANG Quan-cai1, HE Si-ming1   

  1. 1. Institute of Mountain Hazards＆Environment, Chinese Academy of Sciences, Chengdu 610041, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2008-08-20 Online:2010-02-10 Published:2010-03-24

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Abstract:

Prestressed cable is one of the common ground anchorage forms; and its types become more and more in use. The loading transfer along anchoring section is crucial for controlling cables performances and engineering design. Shear lag theory is applied to analyze loading and load transfer mechanism along anchoring section; and the anchorage mechanism of dispersion-type tensile anchor is discussed. The analytical results indicate that interfacial shear strength of dispersion-type tensile cable gradually increases to peak shear strength (? 0), and then decreases. The analytical model accords with field test result perfectly.

Key words: ground anchorage, dispersion-type tensile cable, interfacial shear stress, transfer mechanism

CLC Number: 

  • TU 472
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