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handle: 10261/5845
[ES] Tradicionalmente, en la normativa española el comportamiento frente a esfuerzo cortante de los forjados de viguetas pretensadas y bovedillas ha recibido un tratamiento diferencial respecto de las formulaciones generales para elementos de hormigón. Dichos elementos no disponen, por lo general, de armadura transversal debido al proceso de fabricación. En este trabajo se estudia el comportamiento de estos elementos a cortante. Se emplean distintas formulaciones, nacionales e internacionales, obteniendo los valores teóricos previstos mediante el cálculo y comparándolos con resultados experimentales. Para ello, se cuenta con más de 100 ensayos de resistencia a cortante de nervios de forjado. Estos datos corresponden a los ensayos que se realizan periódicamente en las instalaciones del IETcc, como parte del control de producción, en los productos en posesión del Sello CIETAN.
[EN] Particular theorical expressions for shear resistance evaluation in beams and block floor systems have usually been different from general ones. These beams have no transversal reinforcement, because of the manner they are produced. In this paper national and international formulas are used for the shear resistance evaluation. Values obtained are compared with experimental results. More than 100 experimental results of beams for floor system are used. The tests are made in the IETcc and correspond to periodical control during production in CIETAN Mark products.
Edición financiada por el Ministerio de Educación y Ciencia con cargo al "Plan Nacional de I+D+I 2004-2007".
Peer reviewed
Shear resistance, Ensayos experimentales, Forjados, Beams, Bovedillas, Modelos teóricos, Block floor systems, Theorical models, Experimental tests, Esfuerzo cortante
Shear resistance, Ensayos experimentales, Forjados, Beams, Bovedillas, Modelos teóricos, Block floor systems, Theorical models, Experimental tests, Esfuerzo cortante
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