Wet/dry cycling durability of cement mortar composites reinforced with micro and nano-scale cellulose pulps

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/28001

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Agroalimentària i Biotecnologia
dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Tèxtil i Paperera
dc.contributor	Universitat Politècnica de Catalunya. Departament de Construccions Arquitectòniques I
dc.contributor	Universitat Politècnica de Catalunya. TECTEX - Grup de Recerca en Tecnologia Tèxtil
dc.contributor	Universitat Politècnica de Catalunya. LiTA - Laboratori d'Innovació i Tecnologia en l'Arquitectura
dc.contributor.author	Claramunt Blanes, Josep
dc.contributor.author	Ardanuy Raso, Mònica
dc.contributor.author	Fernández Carrasco, Lucía
dc.date	2015-04-03
dc.identifier.citation	Claramunt, J.; Ardanuy, M.; Fernandez-Carrasco, L. Wet/dry cycling durability of cement mortar composites reinforced with micro and nano-scale cellulose pulps. "Bioresources", 03 Abril 2015, vol. 10, núm. 2, p. 3045-3055.
dc.identifier.citation	1930-2126
dc.identifier.citation	10.15376/biores.10.2.3045-3055
dc.identifier.uri	http://hdl.handle.net/2117/28001
dc.language.iso	eng
dc.relation	http://www.ncsu.edu/bioresources/
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials compostos
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials
dc.subject	Cellulose fibers
dc.subject	Mortar--Additives
dc.subject	Nanofibrillated cellulose
dc.subject	Cement mortar composites
dc.subject	Mechanical performance
dc.subject	Durability
dc.subject	Morter (Material de construcció) -- Additius
dc.subject	Cel·lulosa -- Investigació
dc.title	Wet/dry cycling durability of cement mortar composites reinforced with micro and nano-scale cellulose pulps
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	A combination of reinforcements at different levels can have a synergetic effect on the final properties of a composite. The aim of this work was to produce, evaluate, and compare the wet/dry cycling durability of the exposure of cement composites reinforced with conventional pulps at the micro-scale level, with nanofibrillated cellulose fibers at the nano-scale level, and with combinations of both reinforcements (hybrid composites). To evaluate the durability of their mechanical properties, the composites were tested under flexural loading after 28 days of humidity chamber curing and after 20 wet/dry accelerating aging cycles. Composites reinforced with the nanofibrillated cellulose exhibited significant lyhigher flexural strength and flexural modulus, but they had lower fracture energy values than those reinforced with conventional sisal fibers. Moreover, the hybrid composites with a high content of nanofibrillated cellulose maintained or even improved their properties after aging

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