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- Publisher Website: 10.1061/(ASCE)CC.1943-5614.0000232
- Scopus: eid_2-s2.0-84862957384
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Article: Case study on the restoration of flexural capacity of continuous one-way slabs with cutouts
Title | Case study on the restoration of flexural capacity of continuous one-way slabs with cutouts |
---|---|
Authors | |
Keywords | Field testing Strengthening Flexure Slabs Openings |
Issue Date | 2011 |
Publisher | American Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/cc.html |
Citation | Journal of Composites for Construction, 2011, v. 15 n. 6, p. 992-998 How to Cite? |
Abstract | Introducing openings in existing reinforced concrete (RC) slabs can severely weaken the slabs because of the cut out of the concrete and reinforcing steel. This paper reports field tests on the use of carbon fiber-reinforced polymer (CFRP) composite strengthening techniques to restore the flexural capacity of RC slabs after having openings cut out in the positive moment region. The uniqueness of this study is that the tests were performed on an existing multistory RC building that was scheduled for demolition. Five tests on five different slabs were conducted using three different strengthening techniques-namely, externally bonded (EB) CFRP plates, EB CFRP plates with CFRP anchors, and near-surface mounted (NSM) CFRP strips-to determine the most effective system for strengthening. Test results showed that the three strengthening techniques increased the load-carrying capacity of the slabs with openings, with the NSM technique being more effective than the EB technique. However, the use of CFRP anchors to mechanically anchor the EB plates prevented complete detachment, and hence enabled the restoration of the slab to its full flexural capacity. © 2011 American Society of Civil Engineers. |
Persistent Identifier | http://hdl.handle.net/10722/163905 |
ISSN | 2023 Impact Factor: 2.9 2023 SCImago Journal Rankings: 1.147 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Seliem, HM | en_US |
dc.contributor.author | Seracino, R | en_US |
dc.contributor.author | Sumner, EA | en_US |
dc.contributor.author | Smith, ST | en_US |
dc.date.accessioned | 2012-09-20T07:52:49Z | - |
dc.date.available | 2012-09-20T07:52:49Z | - |
dc.date.issued | 2011 | en_US |
dc.identifier.citation | Journal of Composites for Construction, 2011, v. 15 n. 6, p. 992-998 | en_US |
dc.identifier.issn | 1090-0268 | - |
dc.identifier.uri | http://hdl.handle.net/10722/163905 | - |
dc.description.abstract | Introducing openings in existing reinforced concrete (RC) slabs can severely weaken the slabs because of the cut out of the concrete and reinforcing steel. This paper reports field tests on the use of carbon fiber-reinforced polymer (CFRP) composite strengthening techniques to restore the flexural capacity of RC slabs after having openings cut out in the positive moment region. The uniqueness of this study is that the tests were performed on an existing multistory RC building that was scheduled for demolition. Five tests on five different slabs were conducted using three different strengthening techniques-namely, externally bonded (EB) CFRP plates, EB CFRP plates with CFRP anchors, and near-surface mounted (NSM) CFRP strips-to determine the most effective system for strengthening. Test results showed that the three strengthening techniques increased the load-carrying capacity of the slabs with openings, with the NSM technique being more effective than the EB technique. However, the use of CFRP anchors to mechanically anchor the EB plates prevented complete detachment, and hence enabled the restoration of the slab to its full flexural capacity. © 2011 American Society of Civil Engineers. | - |
dc.language | eng | en_US |
dc.publisher | American Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/cc.html | en_US |
dc.relation.ispartof | Journal of Composites for Construction | en_US |
dc.rights | Journal of Composites for Construction. Copyright © American Society of Civil Engineers. | - |
dc.subject | Field testing | - |
dc.subject | Strengthening | - |
dc.subject | Flexure | - |
dc.subject | Slabs | - |
dc.subject | Openings | - |
dc.title | Case study on the restoration of flexural capacity of continuous one-way slabs with cutouts | en_US |
dc.type | Article | en_US |
dc.identifier.email | Seracino, R: rudi_seracino@ncsu.edu | en_US |
dc.identifier.email | Smith, ST: stsmith@hku.hk | - |
dc.identifier.authority | Smith, ST=rp00168 | en_US |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1061/(ASCE)CC.1943-5614.0000232 | - |
dc.identifier.scopus | eid_2-s2.0-84862957384 | - |
dc.identifier.hkuros | 178909 | en_US |
dc.identifier.hkuros | 210132 | - |
dc.identifier.volume | 15 | en_US |
dc.identifier.issue | 6 | en_US |
dc.identifier.spage | 992 | en_US |
dc.identifier.epage | 998 | en_US |
dc.identifier.isi | WOS:000299132000012 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 1090-0268 | - |