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Please use this identifier to cite or link to this item: http://repositorio.lnec.pt:8080/jspui/handle/123456789/1005107
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dc.contributor.authorSousa, S.pt_BR
dc.contributor.authorSantos Silva, A.pt_BR
dc.contributor.authorVelosa, A.pt_BR
dc.contributor.authorGameiro, A.pt_BR
dc.contributor.authorRocha, F.pt_BR
dc.date.accessioned2013-08-21T14:59:33Zpt_BR
dc.date.accessioned2014-10-20T16:31:37Zpt_BR
dc.date.accessioned2017-04-12T14:52:10Z-
dc.date.available2013-08-21T14:59:33Zpt_BR
dc.date.available2014-10-20T16:31:37Zpt_BR
dc.date.available2017-04-12T14:52:10Z-
dc.date.issued2013pt_BR
dc.identifier.otherdoi:10.4028/www.scientific.net/MSF.730-732.468pt_BR
dc.identifier.urihttps://repositorio.lnec.pt/jspui/handle/123456789/1005107-
dc.description.abstractThe concrete degradation caused by internal expansive reaction (IER) is a problem that affects many structures in the world. These reactions, which include the alkali-silica reaction (ASR)and the internal sulphate reaction (ISR) related with delayed ettringite formation, are very dangerous, due the expansive behavior of products formed, that cause the cracking of concrete. So it is urgent to find preventive methods to avoid or mitigate the onset of these reactions in new structures. This work aims to show the applicability of sludge from a tungsten mine in the mitigation of the IER. To evaluate the effect of sludge in the mitigation of ASR and ISR, mortar and concrete mixes were produced with 30% (%in mass) of cement replacement. The results obtained so far allow stating that tungsten mine sludge as Portland cement replacement could be effective in the ASR and ISR mitigation.pt_BR
dc.description.sponsorshipThe authors wish to acknowledge the Foundation for Science and Technology (FCT) for the financial support under project EXREACT (PTDC/CTM/65243/2006), IMPROVE (Improving the performance of aggregates for the inhibition of alkali-aggregate reactions in concrete,PTDC/ECM/115486/2009) and project DURATINET (Durable Transport Infrastructures in the Atlantic Area Network) for Transnational Programme Atlantic Area 2007-2003, co-financed by FEDER.pt_BR
dc.language.isoengpt_BR
dc.publisherTrans Tech Publicationspt_BR
dc.rightsopenAccesspt_BR
dc.subjectAlkali-silica reactionpt_BR
dc.subjectDelayed ettringite formationpt_BR
dc.subjectMitigationpt_BR
dc.subjectTungsten mine sludgept_BR
dc.subjectConcretept_BR
dc.titleMitigation of Internal Expansive Reaction: the Role of Tungsten Mine Sludgept_BR
dc.typearticlept_BR
dc.identifier.localedicaoSwitzerlandpt_BR
dc.description.figures7pt_BR
dc.description.tables2pt_BR
dc.description.pages468-473pppt_BR
dc.description.volumeVols. 730-732pt_BR
dc.description.sectorDM/NMMpt_BR
dc.identifier.proc0204/14/16587pt_BR
dc.identifier.proc0202/11/17679pt_BR
dc.identifier.proc0204/14/17905pt_BR
dc.identifier.proc0204/17/17160pt_BR
dc.description.magazineMaterials Science Forumpt_BR
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