Abstract
PBL shear connector is a recently developed shear connector for steel-concrete composite structure that making the two element work as a unique piece. In this work, model test has been carried out to investigate the mechanical characteristics of 21 specimens in 7 types of PBL connectors. Combining the model test with finite element simulation, the main work has been done as follows：Load transfer behavior, load-slippage rule and static load mechanical property of PBL have been analyzed. Research on main factors that could influence the mechanical characteristic of PBL has also been conducted. Based on comparison of results of model test and finite element analysis, the feasibility of push-out simulation by nonlinear FEM has been analyzed. Compared to typical push-out tests results in mainland China, recommendations of push-out test of PBL are presented.
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