Towards a Taxonomy for Portuguese Rc Bridges

Zelaschi, Claudia; Monteiro, Ricardo

doi:10.7712/120117.5447.17003

Cited by 1 publication

(3 citation statements)

References 9 publications

(10 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…(5) (6) (7) Following this approach, the obtained fragility function is calculated for each index-bridge accounting for demand uncertainty only (i.e. record-to-record variability).…”

Section: Methodology For Fragility Analysismentioning

confidence: 99%

“…A synthetic fragility curve comprehensive of both aleatory and epistemic uncertainty can be defined by calculating the median for a given DS as the median of the population of related to the k-th index-bridges with Equation (7). The overall dispersion (…”

Section: Methodology For Fragility Analysismentioning

confidence: 99%

“…The HAZUS model [6] is a well-known reference on this topic. These simplified methodologies, based on a typological classification [7,8] assume that the performance of bridges belonging to the same class is similar. One or more archetype structures, representative of each typological class, are identified and analysed to achieve class fragility curves, possibly considering the variability of geometrical/constructive characteristics within the class.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Simplified Fragility Analysis of Multi-Span Isostatic Rc-Bridges Considering an Incomplete Knowledge Level

Nettis¹,

Raffaele²,

Uva³

2021

Proceedings of the 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COM

View full text Add to dashboard Cite

The prediction of the seismic vulnerability of bridges is a challenging task for road managers which need to include structural risk prioritisation in their Bridge Management Systems. The large number of bridges designed without anti-seismic requirements and the uncertainties resulting from the lack of knowledge data (e.g. design documents and blueprints), strongly affect the feasibility of this process. A simplified approach for performing fragility analysis considering the epistemic uncertainty associated with an incomplete knowledge level is described. Uncertainties are considered through the statistical generation of a population of index-bridges, which are analysed utilizing a simplified modelling approach and the capacity method spectrum method applied with real ground-motion spectra. The proposed approach is applied on a case-study simply supported-girder RC bridge of the Basilicata provincial road network. The modelling and the influence of the epistemic uncertainty on the fragility are discussed for two knowledge levels corresponding to different data collection strategies. Finally, a validation of the proposed approach is carried out through a comparison with a refined modelling approach and non-linear dynamic analyses.

show abstract

“…(5) (6) (7) Following this approach, the obtained fragility function is calculated for each index-bridge accounting for demand uncertainty only (i.e. record-to-record variability).…”

Section: Methodology For Fragility Analysismentioning

confidence: 99%

Section: Methodology For Fragility Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation