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dc.contributor.authorØverli, Jan
dc.contributor.authorJensen, Tore Myrland
dc.date.accessioned2017-11-21T13:14:17Z
dc.date.available2017-11-21T13:14:17Z
dc.date.created2014-02-06T14:46:54Z
dc.date.issued2014
dc.identifier.citationEngineering structures. 2014, 62-63 11-22.nb_NO
dc.identifier.issn0141-0296
dc.identifier.urihttp://hdl.handle.net/11250/2467372
dc.description.abstractThis study focuses on the ductility of lightweight aggregate concrete (LWAC) in compression. For practical purposes, the well-known brittleness of LWAC compared to normal density concrete has limited the use of the material. Demands for energy dissipation and/or a controlled behaviour after failure may exclude LWAC as the preferred material, while an increase of the ductility in the compression zone in bending is made possible by employing closed links and/or fibre reinforcement. An experimental programme was set up, which consists of eight over-reinforced concrete beams subjected to four-point bending in order to study the ductility. The LWAC had a mass density of approximately 1800 kg/m3, with a compressive strength of approximately 35 MPa. Four different configurations of the beams were investigated, only with LWAC in the compression zone, closed links with a spacing of 100 mm, 1% of steel fibre reinforcement and a combination of closed links and steel fibres. The pre-peak behaviour was approximately the same for all configurations, and as expected, the beams with only LWAC had a very brittle response after peak load. The other beams had different post-peak responses, but all were able to carry the load with quite large deflections after maximum loading. Moreover, the combination with both fibres and links demonstrated highly ductile behaviour.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.titleIncreasing ductility in heavily reinforced LWAC structuresnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber11-22nb_NO
dc.source.volume62-63nb_NO
dc.source.journalEngineering structuresnb_NO
dc.identifier.doi10.1016/j.engstruct.2014.01.017
dc.identifier.cristin1110419
dc.description.localcode© 2014. This is the authors’ accepted and refereed manuscript to the article. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/nb_NO
cristin.unitcode194,64,45,0
cristin.unitnameInstitutt for konstruksjonsteknikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal