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Tecnura
Print version ISSN 0123-921X
Abstract
VANEGAS HERRERA, Sergio Andrés and CHIO CHO, Gustavo. Reliability Index ß Evaluation of the Girders of a Bridge Using Counts of Real Traffic (TPDS) by Simulation. Tecnura [online]. 2014, vol.18, n.42, pp.78-89. ISSN 0123-921X.
The reliability index ß is a parameter used to estimate the safety of a structure or an element during the design stage or service. This parameter defined in other codes in the world (European Committee for Standardisation (Eurocode), EN 1990:2002; American Association of State Highway and Transportation Officials (AASHTO), 2012), is not specified in the Colombian Code of Bridges Seismic Design (CCDSP-95) (1995). In this paper, it will be presented a study on the estimation of the reliability index ß of the interior and exterior girders of a beam and slab bridge with reinforced concrete, 30 m in length, simply supported and designed according to the CCDSP-95. In the evaluation of the resistant moments, there were considered properties of materials using a normal distribution, and moreover, a Monte Carlo simulation was used to estimate load effect of moment at mid-span of the live load.
Keywords : bridges; Monte Carlo methods; normal distribution; reliability theory.