Fatigue damage of PBH shear connector of steel-concrete composite structure

Engineering Structures（2020）

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摘要

•Analyze the fatigue failure phenomenon and the law of decreasing shear stiffness of PBH shear connector.•The fatigue failure process of the PBH shear connector is discussed according to the failure mechanism.•A two-stage linear fatigue damage evolution model for PBH shear connector is established.

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关键词

Steel-concrete composite structure,PBH shear connector,Fatigue launch test,Fatigue failure process,Fatigue damage evolution model

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