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Experimental study of shear behavior of planar nonpersistent joint
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  • Journal title : Computers and Concrete
  • Volume 17, Issue 5,  2016, pp.639-653
  • Publisher : Techno-Press
  • DOI : 10.12989/cac.2016.17.5.639
 Title & Authors
Experimental study of shear behavior of planar nonpersistent joint
Haeri, Hadi; Sarfarazi, Vahab; Lazemi, Hossein Ali;
 Abstract
The present article discusses the effect of the ratio of bridge surface to total shear surface, number of bridge areas and normal stress on the failure behavior of the planar non-persistent open joints. Totally, 38 models were prepared using plaster and dimensions of . The bridge area occupied , and out of the shear surface. The number of rock bridges increase in fixed area. Two similar samples were prepared on every variation in the rock bridges and tested for direct shear strength under two high and low normal loads. The results indicated that the failure pattern and the failure mechanism is mostly influenced by the ratio of bridge surface to total shear surface and normal stress so that the tensile failure mode change to shear failure mode by increasing in the value of introduced parameters. Furthermore, the shear strength and shear stiffness are closely related to the ratio of bridge surface to total shear surface, number of bridge areas and normal stress.
 Keywords
bridge area;jointed specimen;crack propagation;indirect shear loading;shear-fracture behavior;
 Language
English
 Cited by
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