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A platform for research: civil engineering, architecture and urbanism
Probabilistic seismic demand modeling of local level response parameters of an RC frame
Probabilistic methods to evaluate the seismic vulnerability of reinforced concrete (RC) frames are largely used in the context of performance based design and assessment, often describing the structural response using global engineering demand parameters (EDPs) such as the maximum interstory drift. While such EDPs are able to synthetically describe the structural behavior, the use of local EDPs is necessary to provide a more realistic and thorough description of failure mechanisms of low-ductility frames lacking seismic details. The objective of this paper is to investigate viable probabilistic seismic demand models of local EDPs, which may be used in developing fragility curves for the assessment of the low-ductility RC frames. The present work explores adequate regression models, probability distributions and uncertainty variation of the demand models. In addition, the adequacy of several ground motion intensity measures (IMs) to be used for predictive modeling of local EDPs is investigated. A realistic benchmark three-story RC frame representative of non-ductile buildings is used as a case study to identify key considerations.
Probabilistic seismic demand modeling of local level response parameters of an RC frame
Probabilistic methods to evaluate the seismic vulnerability of reinforced concrete (RC) frames are largely used in the context of performance based design and assessment, often describing the structural response using global engineering demand parameters (EDPs) such as the maximum interstory drift. While such EDPs are able to synthetically describe the structural behavior, the use of local EDPs is necessary to provide a more realistic and thorough description of failure mechanisms of low-ductility frames lacking seismic details. The objective of this paper is to investigate viable probabilistic seismic demand models of local EDPs, which may be used in developing fragility curves for the assessment of the low-ductility RC frames. The present work explores adequate regression models, probability distributions and uncertainty variation of the demand models. In addition, the adequacy of several ground motion intensity measures (IMs) to be used for predictive modeling of local EDPs is investigated. A realistic benchmark three-story RC frame representative of non-ductile buildings is used as a case study to identify key considerations.
Probabilistic seismic demand modeling of local level response parameters of an RC frame
Freddi, F (author) / Padgett, JE (author) / Dall'Asta, A (author)
2017-01-01
Bulletin of Earthquake Engineering , 15 (1) pp. 1-23. (2017)
Article (Journal)
Electronic Resource
English
Probabilistic seismic demand models , RECORDS , REINFORCED-CONCRETE MEMBERS , UNCERTAINTY , Science & Technology , Multidisciplinary , Low-ductility reinforced concrete frames , VULNERABILITY , BRIDGES , SELECTION , Technology , Geosciences , Geology , DUCTILITY , Intensity measures , Fragility curves , BUILDINGS , Local engineering demand parameters , MOTION INTENSITY MEASURES , Physical Sciences , Geological , GROUND MOTIONS , Engineering
DDC:
690
Probabilistic seismic demand modeling of local level response parameters of an RC frame
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