Recommendations for Dynamic Allowance in Bridge Assessment

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Title: Recommendations for Dynamic Allowance in Bridge Assessment
Authors: O'Brien, Eugene J.
González, Arturo
Znidaric, Ales
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Date: 8-Jul-2012
Abstract: This paper summarises the developments in the dynamic response of bridges to traffic loading based on a large amount of simulations and field tests carried out within the 6th EU framework ARCHES (2006-2009). When assessing the total traffic load effect on a bridge, there is a number of alternatives to characterise the associated dynamic component depending on the information available to the engineer. The simplest approach is to adopt the conservative values provided in bridge codes covering for many uncertainties. Nevertheless, if bridge drawings, bridge properties, updated weigh-in-motion data and road profile were known, then validated vehicle-bridge finite element interaction models can be used to reduce these uncertainties. Dynamic allowance can also be experimentally derived from measured total load effects using modern bridge weigh-in-motion technology. Guidelines are provided on how to obtain a site-specific value of dynamic allowance, both numerically and experimentally.
Type of material: Conference Publication
Publisher: CRC Press
Copyright (published version): 2012, Taylor and Francis Group
Keywords: Bridge loadsBridge assessment
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Language: en
Status of Item: Not peer reviewed
Is part of: Franogpol, D. M., Sause, R. and Kusko, C (eds.). Bridge Maintenance, Safety and Management: Proceedings of the fifth International Conference on Bridge Maintenance, Safety, Management and Life-Cycle Optimization (IABMAS'10), Philadelphia, USA, 11-15 July 2010
Conference Details: Bridge Maintenance, Safety Management and Life-Cycle Optimization, Sixth International IABMAS Conference, Stresa, Lake Maggiore, Italy, 8-12 July 2012
ISBN: 9780415877862
Appears in Collections:Civil Engineering Research Collection

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