• strut-and-tie models for headed 1 bar development in c-c-t nodes

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/11/15
    • تاریخ انتشار در تی پی بین: 1390/11/15
    • تعداد بازدید: 882
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this study presents strut-and-tie models (stm) explaining the development of bond strength along bonded length together with anchorage by head bearing of headed bars. the anchorage at a head requires construction of a biaxial compressed nodal zone and bond resistance needs to use the concept of a smeared node. this model consists of a strut with the nodal zone at head for head bearing and fan-shaped stress field for bond stresses along the development length. this modeling clarifies interaction between head bearing and bond resistances where a bond transfers along the development length of headed bars is necessary for a smooth force flow. the experimental results for series of headed bars with relatively small area of plate heads are interpreted 1 by this proposed model.

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