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Experimental research on bond strength of deformed GFRP rebars with different surface configurations |
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| Authors: | HAO Qing-duo WANG Yan-lei and OU Jin-ping |
| Affiliation: | 1. Harbin Quality Supervising Central Station of Construction Engineering, Harbin 150076, China;School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China 2. School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China 3. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China;School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China |
| Abstract: | Based on the Canadian Standards Association(CSA) criterion,experiments on 30 pull-out specimens were conducted to study the bond strength of deformed GFRP rebars with 8 different surface configurations.Each rebar was embedded in a 150 mm concrete cube,and the test embedded length was four times of the rebar diameter.Relationship between the mode of failure,the average bond strength and the average bond strength-slip for each rebar was analyzed.Results show that the failure mode of all specimens is the shear... |
| Keywords: | deformed GFRP rebars concrete bond strength pull-out test rib spacing rib height optimal surface configuration |
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