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Structural seismic fragility analysis of RC frame with a new family of Rayleigh damping models
Abstract : Structural seismic vulnerability assessment is one of the key steps in a seismic risk management process. Structural vulnerability can be assessed using the concept of fragility. Structural fragility is the probability for a structure to sustain a given damage level for a given input ground motion intensity, which is represented by so-called fragility curves or surfaces. In this work, we consider a moment-resisting reinforced concrete frame struc- ture in the area of the Cascadia subduction zone, that is in the South-West of Canada and the North-West of the USA. According to shaking table tests, we first validate the capability of an inelastic fiber beam/column element, using a recently developed concrete constitutive law, for representing the seismic behavior of the tested frame coupled to either a commonly used Rayleigh damping model or a proposed new model. Then, for each of these two damping models, we proceed to a structural fragility analysis and in- vestigate the amount of uncertainty to be induced by damping models.
Cited literature [44 references]
https://hal-ecp.archives-ouvertes.fr/hal-00730603
Contributor : Pierre Jehel Connect in order to contact the contributor
Submitted on : Thursday, August 2, 2018 - 11:54:25 AM
Last modification on : Monday, February 15, 2021 - 10:50:41 AM
Long-term archiving on: : Saturday, November 3, 2018 - 2:22:40 PM
Contributor : Pierre Jehel Connect in order to contact the contributor
Submitted on : Thursday, August 2, 2018 - 11:54:25 AM
Last modification on : Monday, February 15, 2021 - 10:50:41 AM
Long-term archiving on: : Saturday, November 3, 2018 - 2:22:40 PM
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