uso de aisladores de base en puentes de concreto simplemente apoyados

Clicks: 175
ID: 140057
2012
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Abstract
The aim of this paper is to present a comparison of the seismic behavior of simply supported concrete bridges by using three types of base isolators, namely high damping rubber bearing (HDRB), lead rubber bearing (LRB) and friction pendulum system (FPS). “La Flora” viaduct is taken as case study; the geometry and the corresponding modeling of such viaduct are defined in sap2000. Additionally, the mechanical properties of three insulators are defined using a bilinear model. An analysis of histories in time was made for the model of the viaduct, considering the non-linearity in the insulators and using frontal fault earthquakes caused by the Frontal and Bucaramanga-Santa Marta fault; this is applied at a surface-level scale. The results from the model without seismic isolation are compared with the three systems of seismic isolation and the findings suggest that the different systems of seismic isolation significantly reduce both the demands of the displacements and the cutting forces in the piles of the bridge, which may induce probable earthquakes.
Reference Key
pradilla2012tecnurauso Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Leocadio Rico Pradilla;Gustavo Chio Cho
Journal scientia iuris
Year 2012
DOI
DOI not found
URL
http://tecnura.udistrital.edu.co/ojs/index.php/revista/article/view/457/453
Keywords
civil engineering (general) technologyengineering (general)

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