Shear strengthening of R/C beams using AFRP sheet with anchored ends

Many studies have been conducted on the behaviour of beams shearstrengthened with FRP sheets. The studies show that FRP materials can produce good performance when used to carry some portion of shear force in the shear-strengthened beam. However, the performance of FRP sheets is found limited by bon...

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Main Authors: Imran, Iswandi, Mujiman, Mujiman
Format: Conference or Workshop Item
Published: 2006
Subjects:
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author Imran, Iswandi
Mujiman, Mujiman
author_facet Imran, Iswandi
Mujiman, Mujiman
author_sort Imran, Iswandi
collection ePrints
description Many studies have been conducted on the behaviour of beams shearstrengthened with FRP sheets. The studies show that FRP materials can produce good performance when used to carry some portion of shear force in the shear-strengthened beam. However, the performance of FRP sheets is found limited by bond capacity between FRP sheets and concrete surface. In certain case, anchorage system can be introduced to the FRP strengthening scheme to improve the bond performance. This paper presents experimental and analytical studies conducted to evaluate the contribution and behaviour of FRP sheets with anchored ends in strengthening the shear behaviour of reinforced concrete beams. In the study, nine reinforced concrete beam specimens were fabricated and tested. Test parameters of the study include thickness of FRP sheet used, types of wrap applied, type of anchors and diameter of anchor head used. Two types of anchorage system were proposed in the study, i.e. insert anchor system and C-embedded anchor system. The results from this study show that the proposed anchorage system can improve the contribution of FRP in carrying the shear force in beams. In addition, the Cembedded anchor system exhibits better performance than the insert anchor system. Lastly, the behaviour of beams strengthened using FRP stirrups with anchored end can be better predicted by the ACI 440 design equations for full-wrap scheme.
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spelling utm.eprints-6082017-08-23T00:01:23Z http://eprints.utm.my/608/ Shear strengthening of R/C beams using AFRP sheet with anchored ends Imran, Iswandi Mujiman, Mujiman TA Engineering (General). Civil engineering (General) Many studies have been conducted on the behaviour of beams shearstrengthened with FRP sheets. The studies show that FRP materials can produce good performance when used to carry some portion of shear force in the shear-strengthened beam. However, the performance of FRP sheets is found limited by bond capacity between FRP sheets and concrete surface. In certain case, anchorage system can be introduced to the FRP strengthening scheme to improve the bond performance. This paper presents experimental and analytical studies conducted to evaluate the contribution and behaviour of FRP sheets with anchored ends in strengthening the shear behaviour of reinforced concrete beams. In the study, nine reinforced concrete beam specimens were fabricated and tested. Test parameters of the study include thickness of FRP sheet used, types of wrap applied, type of anchors and diameter of anchor head used. Two types of anchorage system were proposed in the study, i.e. insert anchor system and C-embedded anchor system. The results from this study show that the proposed anchorage system can improve the contribution of FRP in carrying the shear force in beams. In addition, the Cembedded anchor system exhibits better performance than the insert anchor system. Lastly, the behaviour of beams strengthened using FRP stirrups with anchored end can be better predicted by the ACI 440 design equations for full-wrap scheme. 2006-09 Conference or Workshop Item PeerReviewed Imran, Iswandi and Mujiman, Mujiman (2006) Shear strengthening of R/C beams using AFRP sheet with anchored ends. In: 6th Asia-Pacific Structural Engineering and Construction Conference, 5-6 September 2006, Kuala Lumpur, Malaysia. http://civil.utm.my/apsec2015/
spellingShingle TA Engineering (General). Civil engineering (General)
Imran, Iswandi
Mujiman, Mujiman
Shear strengthening of R/C beams using AFRP sheet with anchored ends
title Shear strengthening of R/C beams using AFRP sheet with anchored ends
title_full Shear strengthening of R/C beams using AFRP sheet with anchored ends
title_fullStr Shear strengthening of R/C beams using AFRP sheet with anchored ends
title_full_unstemmed Shear strengthening of R/C beams using AFRP sheet with anchored ends
title_short Shear strengthening of R/C beams using AFRP sheet with anchored ends
title_sort shear strengthening of r c beams using afrp sheet with anchored ends
topic TA Engineering (General). Civil engineering (General)
work_keys_str_mv AT imraniswandi shearstrengtheningofrcbeamsusingafrpsheetwithanchoredends
AT mujimanmujiman shearstrengtheningofrcbeamsusingafrpsheetwithanchoredends