Quality control test for SFRC to be used in precast segments

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria de la Construcció
dc.contributor.author	Molins i Borrell, Climent
dc.contributor.author	Aguado de Cea, Antonio
dc.contributor.author	Marí Bernat, Antonio Ricardo
dc.date	2006
dc.identifier.citation	Molins, C.; Aguado, A.; Marí, A. Quality control test for SFRC to be used in precast segments. Tunnelling and Underground Space Technology, 2006, vol. 21, no. 4, p. 423.
dc.identifier.uri	http://hdl.handle.net/2117/2880
dc.language.iso	eng
dc.publisher	Elsevier
dc.relation	http://www.sciencedirect.com/science/journal/08867798
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó
dc.subject	Fiber-reinforced concrete
dc.subject	Precast concrete--Quality control
dc.subject	SFRC
dc.subject	Steel Fiber Reinforced Concrete
dc.subject	Precast
dc.subject	Quality
dc.subject	Formigó armat amb fibres d'acer
dc.subject	Formigó prefabricat
dc.title	Quality control test for SFRC to be used in precast segments
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Current methods to measure tensile strength and toughness in Steel Fiber Reinforced Concrete (SFRC) show a considerable scatter. That scatter makes difficult the quality control, in particular when such properties are taken into account in the evaluation of overall strength of the precast tunnel lining segments, as in the case of the Line 9 of the subway in Barcelona. In order to improve the material assessment procedure, the Double Punch Test (DPT) has been recovered for the quality control of the tension behavior of SFRC. Results of an initial feasibility research are presented, showing a significant reduction of the scatter in the values of the tension strength and in the toughness. Other advantages shown by this test are: (1) the reduced size 150x150 mm of the cylindrical specimens, compared with those used in beam test, and (2) the use of a conventional compression press controlled by displacement.
dc.description.abstract	Peer Reviewed

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