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Article: Dip and strike angles method for yield line analysis of reinforced concrete slabs

TitleDip and strike angles method for yield line analysis of reinforced concrete slabs
Authors
Issue Date2004
PublisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.concrete-research.com
Citation
Magazine Of Concrete Research, 2004, v. 56 n. 8, p. 487-498 How to Cite?
AbstractYield line analysis is a useful method for design of reinforced concrete slabs, but has been limited to slabs of simple geometry, because up to now there has been no generally applicable and fully automatic computational procedure for complex-shaped slabs. Herein, a new yield line method that can be applied to any convex polygonal-shaped slab is developed. In this method, the deflections of the slab regions divided by yield lines are measured in terms of the dip and strike angles of the slab surfaces, which can define the geometry of all kinematically admissible collapse mechanisms or yield line patterns. The external work done and the internal energy dissipation at yield lines are evaluated as functions of the dip and strike angles, and the principle of virtual work is used to determine the corresponding load factor. The final solution is obtained by minimising the load factor with respect to the dip and strike angles. A computer program based on this method has been produced. Its correctness is verified by checking against results obtained by others for simple cases, and its versatility is demonstrated by applying it to complicated slabs subjected to point, line, patch and uniformly distributed loads.
Persistent Identifierhttp://hdl.handle.net/10722/70994
ISSN
2015 Impact Factor: 1.227
2015 SCImago Journal Rankings: 0.955
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_HK
dc.date.accessioned2010-09-06T06:27:57Z-
dc.date.available2010-09-06T06:27:57Z-
dc.date.issued2004en_HK
dc.identifier.citationMagazine Of Concrete Research, 2004, v. 56 n. 8, p. 487-498en_HK
dc.identifier.issn0024-9831en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70994-
dc.description.abstractYield line analysis is a useful method for design of reinforced concrete slabs, but has been limited to slabs of simple geometry, because up to now there has been no generally applicable and fully automatic computational procedure for complex-shaped slabs. Herein, a new yield line method that can be applied to any convex polygonal-shaped slab is developed. In this method, the deflections of the slab regions divided by yield lines are measured in terms of the dip and strike angles of the slab surfaces, which can define the geometry of all kinematically admissible collapse mechanisms or yield line patterns. The external work done and the internal energy dissipation at yield lines are evaluated as functions of the dip and strike angles, and the principle of virtual work is used to determine the corresponding load factor. The final solution is obtained by minimising the load factor with respect to the dip and strike angles. A computer program based on this method has been produced. Its correctness is verified by checking against results obtained by others for simple cases, and its versatility is demonstrated by applying it to complicated slabs subjected to point, line, patch and uniformly distributed loads.en_HK
dc.languageengen_HK
dc.publisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.concrete-research.comen_HK
dc.relation.ispartofMagazine of Concrete Researchen_HK
dc.rightsMagazine of Concrete Research. Copyright © Thomas Telford Ltd.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPermission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees-
dc.titleDip and strike angles method for yield line analysis of reinforced concrete slabsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0024-9831&volume=56&issue=8&spage=487&epage=498&date=2004&atitle=Dip+and+strike+angles+method+for+yield+line+analysis+of+reinforced+concrete+slabsen_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1680/macr.56.8.487.49450en_HK
dc.identifier.scopuseid_2-s2.0-7044247889en_HK
dc.identifier.hkuros108764en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-7044247889&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume56en_HK
dc.identifier.issue8en_HK
dc.identifier.spage487en_HK
dc.identifier.epage498en_HK
dc.identifier.isiWOS:000225287000007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK

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