Resumo

GOMEZ SANCHEZ, Fernando. Diseño directo basado en desplazamientos aplicado a pilas de puentes. Concr. cem. investig. desarro [online]. 2012, vol.4, n.1, pp.40-62. ISSN 2007-3011.

Nowadays, it is a common practice to design structures to develop an inelastic behavior without collapsing during a severe earthquake. Because of the inelastic behavior, the structure will suffer some damage that must be repaired. The lateral equivalent force method is the typical approach for seismic design; this method uses an elastic acceleration spectrum and a reduction coefficient because of the inelastic behavior of the structure. The force method shows some inconsistencies in the actual response and the actual damage of structures during a seismic event. In this article, a design alternative is proposed for reinforced concrete bents of bridges established from the direct-displacement based design method, it is also included the effect of soil-structure interaction. A mathematical model developed in the software OpenSees is used considering the inelastic behavior of the material and interaction with the surrounding soil.

Palavras-chave : Direct-Displacement Based Design; seismic design of bridges; ductility; performance criteria; soil-pile 9 interaction; seismic risk.

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