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Ingeniería sísmica
versión impresa ISSN 0185-092X
Resumen
DE-LA-COLINA, Jaime y VALDES, Jesús. Péndulo de prueba para el estudio dinámico de modelos estructurales. Ing. sísm [online]. 2010, n.82, pp.35-56. ISSN 0185-092X.
A simple apparatus for the dynamic study of laboratory structural models is presented. It consists of a long period (5.0 s) pendulum formed by a hanging platform with a forced vibration generator. The platform movement simulates a particular seismic ground motion that excites the structural model attached to the pendulum platform. This apparatus was used for the dynamic study of steel structural models of torsion desbalanced structures. The measured responses, both of the platform and of the models, are analyzed in order to understand and to know the pendulum capacities for simulating particular seismic ground motions. The results showed that the pendulum generates excitations that resemble those of narrow band seismic ground motions. This low cost apparatus can be used for dynamic testing of structural and mechanical systems.
Palabras llave : dynamic test; laboratory experiments; tests device.