Abstract The shear behavior of a new type of sandwich structure, double-superposed panels, is investigated by conducting push-out test and finite element analysis in this paper. Experiments have been carried out to characterize the effect on the shear behavior of two different shear connector configurations: truss connector and tic-tac-toe connector. Based on finite element analysis, a parameter study is conducted, with the major parameters considered being the diameter, height and pitch of shear connector. Test results indicate that the delamination between the precast layers and core layer is the main failure mode for all specimens, and the crack formation and crack development between the two interfaces is not in synch. It’s also revealed that the specimens with tic-tac-toe connections present higher ultimate shear strength, as well as better ductility during the process of failure, compared to those with truss connections. The results of the numerical simulations show that the ultimate shear strength and the ductility of both connector configurations increases as the diameter of the shear connector increases; increasement in height of shear connector has a negligible effect on the shear behavior; when the pitch length is increased, the ultimate shear strength of the truss connector specimen increases, which is the inverse behavior of the specimen with tic-tac-toe connector.


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    Titel :

    The Shear Behavior of Double-superposed Panels Reinforced with Different Shear Connectors


    Beteiligte:
    Zhang, Wenying (Autor:in) / Yang, Lianping (Autor:in) / Yu, Shaole (Autor:in) / Yan, Junsheng (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2018




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    55.80 Verkehrswesen, Transportwesen: Allgemeines, Verkehrswesen, Transportwesen: Allgemeines / 74.75 Verkehrsplanung, Verkehrspolitik, Verkehrsplanung, Verkehrspolitik / 55.80 Verkehrswesen, Transportwesen: Allgemeines / 56.24 Straßenbau, Straßenbau / 56.24 Straßenbau / 74.75 Verkehrsplanung, Verkehrspolitik



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