• static behavior of multi-stud shear connectors for steel-concrete composite bridge

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1394/01/01
    • تاریخ انتشار در تی پی بین: 1394/01/01
    • تعداد بازدید: 706
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     push-out tests were conducted to investigate the different behavior between single-stud and multi-stud connectors. the results show that the single-stud and multi-stud connectors have the similar stiffness, and the spacing of studs has little influence in the stiffness of multi-stud connectors. the ultimate strength of single-stud connector is about 10% larger than multi-stud connectors. when the load reaches its peak, the relative slip of single-stud connector is about 19% larger than that of multi-stud connectors. the multi-stud effect on static behavior of shear connector is negligible. based on the push-out test results, a new expression of stud load-slip relationship was proposed. compared to existing relationships, the new expression has a better match with the experimental values. the static behavior was studied and compared to design equations. the results show that the estimation based on eurocode-4 agrees well with the multi-stud test results and the estimations based on aashto lrfd and chinese code agree well with the single-stud test results.

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