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In this paper a numerical study about the influence of soil stiffness on the assessment of vibrations induced by railway traffic in tunnels is performed. A comprehensive [...]
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Global optimization, Firefly Algorithm, Penalty function, Constrained optimization, Engineering Design Problems
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performance profiles, stochastic algorithms, numerical optimization
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Reports of seismic effects on reinforced concrete bridges, especially those built according to the codes of practice of the seventies, show that a lot of them behave poor [...]
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An experimental cyclic campaign of RC hollow piers has being carried out in the Laboratory for Earthquake and Structural Engineering (LESE) of the Faculty of Engineering [...]
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This paper presents two main parts, encompassing the experimental assessment and the numerical modelling of vibrations induced by railway traffic. Firstly, a global descr [...]
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Non-linear reinforced concrete bridge piers’ cyclic behavior is known for being influenced by shear. That is particularly visible in the case of hollow piers where the [...]
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The main objectives of the paper are to evaluate the relevance of the non-linear soil behavior on the track response and to validate the proposed methodology which includ [...]
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The strong motivation for this work relies on the peculiar structural behavior of RC hollow section piers, quite similar to structural wall, and therefore the higher diff [...]
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