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    Ultimate Response of RC Beams Strengthened with CFRP Plates

    Source: Journal of Composites for Construction:;2001:;Volume ( 005 ):;issue: 002
    Author:
    Paul J. Fanning
    ,
    Oliver Kelly
    DOI: 10.1061/(ASCE)1090-0268(2001)5:2(122)
    Publisher: American Society of Civil Engineers
    Abstract: Poststrengthening and retrofitting is a growing reality, as existing structures are required to meet the demands of modern society. Apart from the need to increase load capacity, upgrading of a structure may be necessitated through deterioration of the structure by corrosion or accidental damage, a change in the structural system, or to rectify initial design and construction faults. A commonly observed mode of failure for beams strengthened using carbon-fiber-reinforced polymer composite material plates is one due to the plate peeling off prematurely and unpredictably at relatively low magnitudes of applied loading. End plate anchorages and long unanchored plate lengths, which can add significantly to the overall cost of a strengthening solution, overcome this problem. This paper presents the results of flexural tests on ten reinforced concrete beams strengthened with different plate configurations. A strain compatibility and force equilibrium method of analysis, coupled with an empirical rule derived from the test data, is demonstrated to be effective in predicting the ultimate response of simply supported beams in bending with and without end plate anchorages and irrespective of plate length.
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      Ultimate Response of RC Beams Strengthened with CFRP Plates

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    contributor authorPaul J. Fanning
    contributor authorOliver Kelly
    date accessioned2017-05-08T21:30:26Z
    date available2017-05-08T21:30:26Z
    date copyrightMay 2001
    date issued2001
    identifier other%28asce%291090-0268%282001%295%3A2%28122%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/54091
    description abstractPoststrengthening and retrofitting is a growing reality, as existing structures are required to meet the demands of modern society. Apart from the need to increase load capacity, upgrading of a structure may be necessitated through deterioration of the structure by corrosion or accidental damage, a change in the structural system, or to rectify initial design and construction faults. A commonly observed mode of failure for beams strengthened using carbon-fiber-reinforced polymer composite material plates is one due to the plate peeling off prematurely and unpredictably at relatively low magnitudes of applied loading. End plate anchorages and long unanchored plate lengths, which can add significantly to the overall cost of a strengthening solution, overcome this problem. This paper presents the results of flexural tests on ten reinforced concrete beams strengthened with different plate configurations. A strain compatibility and force equilibrium method of analysis, coupled with an empirical rule derived from the test data, is demonstrated to be effective in predicting the ultimate response of simply supported beams in bending with and without end plate anchorages and irrespective of plate length.
    publisherAmerican Society of Civil Engineers
    titleUltimate Response of RC Beams Strengthened with CFRP Plates
    typeJournal Paper
    journal volume5
    journal issue2
    journal titleJournal of Composites for Construction
    identifier doi10.1061/(ASCE)1090-0268(2001)5:2(122)
    treeJournal of Composites for Construction:;2001:;Volume ( 005 ):;issue: 002
    contenttypeFulltext
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