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سازه های مهندسی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
حوزه های تحت پوشش رویداد
  • جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1200
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     an abundance of tests over the last two decades has shown the bending capacity of flexural members such as reinforced concrete (rc) beams and slabs to be enhanced by the bonding of fibre-reinforced polymer (frp) composites to their tension face. the propensity of the frp to debond, however, limits its effectiveness. different types of anchorages have therefore been investigated in order to delay or even prevent debonding. the so-called frp anchor, which is made from rolled fibre sheets or bundles of lose fibres, is particularly suitable for anchoring frp composites to a variety of structural element shapes. studies that assess the effectiveness of frp anchors in anchoring frp strengthening in flexural members is, however, limited. this paper in turn reports a series of tests on one-way spanning simply supported rc slabs which have been strengthened in flexure with tension face bonded frp composites and anchored with different arrangements of frp anchors. the load–deflection responses of all slab tests are plotted, in addition to selected strain results. the behaviours of the specimens including the failure modes are also discussed. the greatest enhancement in load and deflection experienced by the six slabs strengthened with frp plates and anchored with frp anchors was 30% and 110%, respectively, over the unanchored frp-strengthened control slab. the paper also discusses the strategic placement of frp anchors for optimal strength and deflection enhancement in frp-strengthened rc slabs.

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