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Analysis of the Shear Stress on Prestressed Anchor in Rock Mass

The shear stress of prestressed anchor cable is unevenly distributed along anchoring length.Based on the load transfer behaviors of bolt,the solutions for distribution of the shear stress in pre-stressed cables are derived.And the mechanical characteristics are discussed for the influences on the shear stress distribution.The calculated values are compared with the results of the filed tests,and good agreements are obtained.