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Civil and Environmental Engineering Faculty Articles
Adhesive anchor; concrete anchor; tension; adhesive; chemical anchor; laboratory tests; building codes
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Impact Of Test Setup On Tensile Behavior Of Adhesive Anchors, Da Luo, Hua Liu, Jian Zhao
Impact Of Test Setup On Tensile Behavior Of Adhesive Anchors, Da Luo, Hua Liu, Jian Zhao
Civil and Environmental Engineering Faculty Articles
This report describes a study of adhesive anchors in two types of tension tests. Confined tension (CT) tests are relatively easy to implement; however, the closely placed reaction may create undesirable and unrealistic confining condition to test anchor. Unconfined tension (UCT) tests are then needed to verify the tensile capacities, which usually correspond to lower bond strength than those from CT tests. Therefore, bond strengths obtained from CT tests must be reduced, and a reduction factor of 0.75 has been stipulated in ACI 355.4 document. This reduction factor (alpha_setup) is currently being challenged.
In this study, we attempt to explore …