[PDF] Top 20 Dynamic Analysis and Fatigue Assessment of an Existing Railway Steel Bridge

... lower bridge lifetime when compared to the critical detail represented by the node located at the ...the bridge residual life calculated, considering the S-N curve 71 provided by the EN1993-1-9 and ... See full document

... specificity of bridge decks built with precast girders has to do with the reduced thickness of the various deck components, which implies that their fatigue behaviour should be analysed in ... See full document

... The fatigue behaviour of steel railway bridges is a complex ...problem of dynamic ampli fication of the loads and their randomness, on the other side, the ... See full document

... [4,5,6] of several field measurements carried out on simply supported medium span concrete railway viaducts showed that the non-linear behavior of the superstructure composed by ballast and ... See full document

... set of punctual loads that simulate the space variation of the load through a time variation of its ...effect of load distribution due to the rails and sleepers is ...modal ... See full document

... non-modulation of the train obstructs the realization of a vehicle-structure interaction, which, consequently, leads to that the load variations arising from this phenomenon are not ...weight of the ... See full document

... reliable and efficient retrofitting and refurbishment of existing road bridges are discussed by ...life and delaying their complete substitution, the “downtime’’ costs, all generally ... See full document

... Abstract: Dynamic testing in the condition assessment of existing bridges to support their rehabilitation and strengthening designs is becom- ing a common procedure, yet additional ... See full document

... maintenance and safety of old metallic riveted road and railway bridges fabricated and put into service at the end of the 19 th century and beginning of 20 th ... See full document

... decades railway system has shown a major influence over the economic and social development of our ...the railway transport assumes an important role to achieve the 2020 strategy, a ... See full document

... blasts and shocks resulting from ...feature of campaigns by terrorist organizations around the world to use explosives to destruct important infrastructures including historical ...structures. Of ... See full document

... allow an increased efficiency at reduced implantation ...replacement of individual electric cables associated with each sensor or set of sensors, by one only electrical ...sensors and connects ... See full document

... indicators of fit were included to avoid dichotomous decisions re- garding model fit ...fit) and as a way of obtaining more de- tailed information regarding the different components of the ... See full document

... ductile steel eccentrically braced system (DSEBS) was used to retrofit one of the storeys of the infilled frame and the structure was subjected to displacement controlled cyclic tests with ... See full document

... number of gene expression probes (number of genes greater than number of subjects), due to the model being ...implement and computationally ...use of permutations when the gene ... See full document

... non‐linear dynamic analysis of existing and retrofitted structures in terms of capacity curve and corresponding inter‐storey drift is presented in ...The analysis  ... See full document

... terms of cyclic behaviour, several investigators developed and discussed modelling and several models were developed throughout ...Some of these models are sum- marized in the following ... See full document

... Simulation of a real fire was based on the assumption that the overall fire load was consumed such that in the growth, flashover, and complete development stage of the fire, the fire load consumed ... See full document

... Monitoring and evaluating the impact of the studies is fundamental for the transfer of knowledge to the clinic 5 ...implementation of the MDAIF requires a training process adjusted to the ... See full document

... full-scale dynamic tests have been listed by Salawu and Williams ...design of new similar structures can be improved or evaluated. Secondly, dynamic measurements can assist in the evaluation ... See full document