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Advanced bridge safety initiative : recommended practices for live load testing of existing flat-slab concrete bridges - task 5.

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  • Abstract:
    Current AASHTO provisions for load rating flat-slab concrete bridges use the equivalent strip ; width method, which is regarded as overly conservative compared to more advanced analysis ; methods and field live load testing. It has been shown that live load testing of bridges can ; provide more accurate responses and can be used to calculate less conservative load rating ; factors. Amer et al (1999), Jáuregui et al. (2010), Poulin (2012) and Saraf (1998) have all ; demonstrated the benefits of non-destructive testing for the load rating of flat-slab concrete ; bridges. ; This document is a guide that provides additional recommendations on accepted AASHTO ; procedures and for live load testing of flat-slab concrete bridges. Sections 2 – 6 give specific ; recommendations in addition to those in the AASHTOs Manual for Bridge Evaluation ; (AASHTO 2008). Section 7 provides an example of a report for a live load test that was ; conducted on Bradford Bridge #3430 (Poulin 2012).
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    urn:sha256:12cd0c8b3271b3bca93f57c995de902a5f69d41246b547adf3fe5d4f93c87c17
File Language:
English
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