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Título : Effect of torsion on shear capacity of slabs
Autor : Lantsoght, Eva (dir)
Valdivieso Vélez, Daniel Andrés
Descriptores / Subjects : Puentes
Diseño y Construcción
Mantenimiento y Reparación
Fecha de Publicación : dic-2015
Ciudad: Editorial : Quito: USFQ, 2015
Cita Sugerida : Tesis (Ingeniero Civil), Universidad San Francisco de Quito, Colegio de Ciencias e Ingenierías; Quito, Ecuador, 2015
Resumen / Abstract: A large number of existing bridges in Europe and North-America are reaching the end of their devised service life. Therefore, it is necessary to improve the methods of assessment for existing bridges. One method, suitable for existing reinforced concrete slab bridges, is the Modified Bond Model. This method, however, currently only takes the effect of torsion for loads close to the edge into account in a simplified manner. In this study, finite element models are created of a slabs with two supports, three concentrated (prestressing) loads and a distributed load, representing a truck wheel print. The load is varied along the longitudinal and transverse directions of the slab to find the bending moments (mx and my) and torsional moments (mxy). The results is an expression for the effect of torsion in slabs, which can be used with the Modified Bond Model for assessment and design of slab bridges.
URI : http://repositorio.usfq.edu.ec/handle/23000/5324
Aparece en las colecciones: Tesis - Ingeniería Civil

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