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Título:
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Constitutive and geometric nonlinear models for the seismic analysis of RC structures with energy dissipators
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Autor/a:
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Mata, P.; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio; Boroschek Krauskopf, Rubén Luis
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Otros autores:
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Universitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria; Universitat Politècnica de Catalunya. (MC)2 - Grup de Mecànica Computacional en Medis Continus |
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Abstract:
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Nowadays, the use of energy dissipating devices to improve the seismic response of RC structures constitutes a mature branch of the innovative procedures in earthquake engineering. However, even though the benefits derived from this technique are well known and widely accepted, the numerical methods for the simulation of the nonlinear seismic response of RC structures with passive control devices is a field in which new developments are continuously
preformed both in computational mechanics and
earthquake engineering. In this work, a state of the art of the advanced models for the numerical simulation of the nonlinear dynamic response of RC structures with passive energy dissipating devices subjected to seismic loading is made. The most commonly used passive energy dissipating
devices are described, together with their dissipative mechanisms as well as with the numerical procedures used in modeling
RC structures provided with such devices. The most important approaches for the formulation of beam models for RC structures are reviewed, with emphasis on the theory
and numerics of formulations that consider both geometric and constitutive sources on nonlinearity. In the same manner, a more complete treatment is given to the constitutive nonlinearity in the context of fiber-like approaches including the corresponding cross sectional analysis. Special attention is paid to the use of damage indices able of estimating the remaining load carrying capacity of structures after a seismic action. Finally, nonlinear constitutive and geometric
formulations for RC beam elements are examined, together with energy dissipating devices formulated as simpler beams
with adequate constitutive laws. Numerical examples allow to illustrate the capacities of the presented formulations. |
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Materia(s):
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-Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Sismologia
-Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó
-Energy dissipation
-Seismology
-Enginyeria sísmica -- Estructures |
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Derechos:
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Tipo de documento:
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Artículo - Versión publicada
Artículo |
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