Parametric model for capacity curves

Pujades, L. G.; Alzate, Yeudy Felipe Vargas; Barbat, Álex H.; González-Drigo, José R.

doi:10.1007/s10518-014-9670-5

Cited by 27 publications

(169 citation statements)

References 32 publications

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“…The main purpose of this paper is to check the new damage index and the new capacity and fragility models, proposed by Pujades et al (2015), when they are applied to steel buildings. In fact, this damage index and these parametric and fragility models have been tested only in a single simple reinforced concrete building; thus, the results of this paper will endorse the robustness, reliability and utility of these recent developments.…”

Section: Introductionmentioning

confidence: 99%

Capacity, damage and fragility models for steel buildings: a probabilistic approach

Alvarado

Pujades

Barbat

et al. 2017

Bull Earthquake Eng

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Section: Introductionmentioning

confidence: 99%

Capacity, damage and fragility models for steel buildings: a probabilistic approach

Alvarado

Pujades

Barbat

et al. 2017

Bull Earthquake Eng

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“…(v) The displacements obtained (see Figure 9) can be used to perform an analysis of the expected damage. To do this, the method proposed in the RISK EU project (Milutinovic and Trendafiloski, 2003) or the simplified damage index that can be obtained directly from the capacity curve proposed by Pujades et al (2015) for reinforced concrete structures and for steel structures (Diaz et al, 2017a andDiaz et al, 2017b) can be applied.…”

Section: Discussionmentioning

confidence: 99%

Un enfoque alternativo para tomar en cuenta el efecto de la direccionalidad sísmica.

et al. 2018

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“…It is of high practical interest to develop a computationally less expensive procedure, based for instance on nonlinear static structural analysis, which allows obtaining PDC, similar to those calculated with the IDA method presented above. To do this, the incremental static analysis, that is, pushover analysis, PA, combined appropriately with an innovative procedure for estimating damage curves, Pujades et al 2015, provides a powerful and simplified tool. To calibrate the pushover-based damage index, the global damage index of Park and Ang was selected because, as it will be shown below, both damage indices represent overall damage in the building.…”

Section: Damage Index Based On Pushover Analysismentioning

confidence: 99%

“…As said above, the Park and Ang damage index is the sum of the contributions to damage of the maximum ductility and of the energy dissipated by the structural elements. Pujades et al 2015 proposed an analogue equation for estimating a seismic damage index based on the PA:…”

Section: Calculation Of the New Simplified Damage Indexmentioning

confidence: 99%

“…The second term of the proposed damage index in equation 4 stands for the dissipated energy as a function of the spectral displacement. This term is obtained as the cumulative integral of the nonlinear part of the capacity curve as defined in Pujades et al 2015. This cumulative integral also can be easily obtained by integrating the function defined as the subtraction of the capacity curve, Sa(Sd), from a projected line of the elastic part of the capacity spectrum.…”

Section: Calculation Of the New Simplified Damage Indexmentioning

confidence: 99%

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An Efficient Methodology to Estimate Probabilistic Seismic Damage Curves

et al. 2019

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The incremental dynamic analysis is a powerful methodology which can be easily extended for calculating probabilistic seismic damage curves. These curves are metadata to assess the seismic risk of structures. Although this methodology requires a relevant computational effort, it should be the reference to correctly estimate the seismic risk of structures. Nevertheless, it would be of high practical interest to have a simpler methodology, based for instance on the pushover analysis, to obtain similar results to those based on the incremental dynamic analysis. In this article, the pushover analysis is used to obtain probabilistic seismic damage curves from the stiffness degradation and the energy of the nonlinear part of the capacity curve. A fully probabilistic methodology is tackled by means of Monte Carlo simulations, with the purpose of establishing that the results based on the simplified proposed approach are compatible with those obtained with the incremental dynamic analysis. Comparisons between the results of both approaches are included for a low-to-mid-rise reinforced concrete building. The proposed methodology significantly reduces the computational effort when calculating probabilistic seismic damage curves.

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Parametric model for capacity curves

Abstract: A parametric model for capacity curves and capacity spectra is proposed. The

Cited by 27 publications

References 32 publications

Capacity, damage and fragility models for steel buildings: a probabilistic approach

Capacity, damage and fragility models for steel buildings: a probabilistic approach

Un enfoque alternativo para tomar en cuenta el efecto de la direccionalidad sísmica.

An Efficient Methodology to Estimate Probabilistic Seismic Damage Curves

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