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Conference Paper: Strength and deflection enhancement of RC slabs with anchored FRP strengthening
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TitleStrength and deflection enhancement of RC slabs with anchored FRP strengthening
 
AuthorsSmith, ST1
Hu, S1
Kim, SJ1
Seracino, R2 3
 
KeywordsFRP
FRP anchors
Slabs
Strengthening
 
Issue Date2011
 
PublisherAmerican Concrete Institute.
 
CitationThe 10th International Symposium of the Fiber-Reinforced Polymer Reinforcement for Reinforced Concrete Structures (FRPRCS-10), Tampa, FL., 2-4 April 2011. In American Concrete Institute Publication SP, 2011, v. 2 n. 275, p. 1207-1220 [How to Cite?]
 
AbstractDebonding of fibre-reinforced polymer (FRP) composites externally bonded to reinforced concrete (RC) structural members can severely limit the effectiveness of the FRP strengthening. Anchorage of the FRP with anchors made from fibre sheets (i.e FRP anchors) is an effective means to increase its usable strain (and strength). This paper in turn reports the results of tests on one-way spanning RC slabs strengthened in flexure with FRP composites and anchored with FRP anchors. The tests reveal the strategic use of different types and positions of FRP anchors to increase the strength and deflection capacity of the strengthened slabs by up to 30 % and 110 %, respectively, above that of the unanchored but strengthened control slab. FRP anchors of greater strength placed closer to the peak bending moment region were found to be most beneficial in addition to closer spaced anchors of lesser fibre content in the low bending moment region.
 
DescriptionThis Special Publication entitled: Fiber-reinforced polymer (FRP) reinforcement for concrete structures: proceedings of .... FRPRCS-10
 
ISBN978-161839203-9
 
ISSN0193-2527
 
DC FieldValue
dc.contributor.authorSmith, ST
 
dc.contributor.authorHu, S
 
dc.contributor.authorKim, SJ
 
dc.contributor.authorSeracino, R
 
dc.date.accessioned2011-09-23T06:17:58Z
 
dc.date.available2011-09-23T06:17:58Z
 
dc.date.issued2011
 
dc.description.abstractDebonding of fibre-reinforced polymer (FRP) composites externally bonded to reinforced concrete (RC) structural members can severely limit the effectiveness of the FRP strengthening. Anchorage of the FRP with anchors made from fibre sheets (i.e FRP anchors) is an effective means to increase its usable strain (and strength). This paper in turn reports the results of tests on one-way spanning RC slabs strengthened in flexure with FRP composites and anchored with FRP anchors. The tests reveal the strategic use of different types and positions of FRP anchors to increase the strength and deflection capacity of the strengthened slabs by up to 30 % and 110 %, respectively, above that of the unanchored but strengthened control slab. FRP anchors of greater strength placed closer to the peak bending moment region were found to be most beneficial in addition to closer spaced anchors of lesser fibre content in the low bending moment region.
 
dc.description.naturelink_to_OA_fulltext
 
dc.descriptionThis Special Publication entitled: Fiber-reinforced polymer (FRP) reinforcement for concrete structures: proceedings of .... FRPRCS-10
 
dc.identifier.citationThe 10th International Symposium of the Fiber-Reinforced Polymer Reinforcement for Reinforced Concrete Structures (FRPRCS-10), Tampa, FL., 2-4 April 2011. In American Concrete Institute Publication SP, 2011, v. 2 n. 275, p. 1207-1220 [How to Cite?]
 
dc.identifier.epage1220
 
dc.identifier.hkuros195003
 
dc.identifier.isbn978-161839203-9
 
dc.identifier.issn0193-2527
 
dc.identifier.issue275
 
dc.identifier.scopuseid_2-s2.0-84863123485
 
dc.identifier.spage1207
 
dc.identifier.urihttp://hdl.handle.net/10722/140726
 
dc.identifier.volume2
 
dc.languageeng
 
dc.publisherAmerican Concrete Institute.
 
dc.publisher.placeUnited States
 
dc.relation.ispartofAmerican Concrete Institute Publication SP
 
dc.subjectFRP
 
dc.subjectFRP anchors
 
dc.subjectSlabs
 
dc.subjectStrengthening
 
dc.titleStrength and deflection enhancement of RC slabs with anchored FRP strengthening
 
dc.typeConference_Paper
 
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<contributor.author>Hu, S</contributor.author>
<contributor.author>Kim, SJ</contributor.author>
<contributor.author>Seracino, R</contributor.author>
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<description.abstract>Debonding of fibre-reinforced polymer (FRP) composites externally bonded to reinforced concrete (RC) structural members can severely limit the effectiveness of the FRP strengthening. Anchorage of the FRP with anchors made from fibre sheets (i.e FRP anchors) is an effective means to increase its usable strain (and strength). This paper in turn reports the results of tests on one-way spanning RC slabs strengthened in flexure with FRP composites and anchored with FRP anchors. The tests reveal the strategic use of different types and positions of FRP anchors to increase the strength and deflection capacity of the strengthened slabs by up to 30 % and 110 %, respectively, above that of the unanchored but strengthened control slab. FRP anchors of greater strength placed closer to the peak bending moment region were found to be most beneficial in addition to closer spaced anchors of lesser fibre content in the low bending moment region.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. North Carolina State University
  3. ICC Group