Global ETD Search
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Showing 1 to 6 of 6 for “"Reinforced concrete bridge deck"”.
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Tensões devidas ao bi-momento em tabuleiros de pontes de concreto armado bi-apoiadas e com contrapesos maciços
… of the warping stresses in simply supported reinforced concrete bridge deck with bulky counterweights. Initially it is presented a review of the warping moment theory and a proceeding for the analysis of a particular statically indeterminated structure. The type of structure under analysis is …
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Crack detection technique for reinforced concrete bridge decks
… the instrumentation and test results of a reinforced concrete bridge deck constructed on 3-span continuous steel girders. The instrumented bridge is located in Evansville, West Virginia at the intersection of US Route 50 East and WV 92 South. An instrumentation system is developed and …
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Structural performance evaluation of the Postrite post-treatment corrosion inhibitor system
Nearly 40% of the bridges in the United States are considered deficient and half of the costs needed to repair these bridges is associated with bridge deck deterioration. Chlorides are the primary cause of reinforced concrete deterioration in marine environments and areas of deicing salt usage. The …
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Advancements in evaluation of air-coupled impact-echo test method
… testing system and verify the new method, two concrete plates were tested in the laboratory, one of which was a solid concrete slab, and the other was a model of a reinforced concrete bridge deck with artificial defects. An IE testing system was developed using an Omega OMB-DAQ-3000 data …
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A time to cracking model for critically contaminated reinforced concrete structures
… the need for a site specific corrosion model for concrete structures, Bazant’s time to first cracking model was used as the basis for an experimental research study. The theoretical model, which expresses the time to first cracking as a function of the corrosion rate and physical properties of the …
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GPR data processing for reinforced concrete bridge decks
… several aspects of GPR data processing for RC bridge decks are studied. First, autofocusing techniques are proposed to replace the previous expensive and unreliable human visual inspections during the iterative migration process for the estimation of the velocity/dielectric permittivity …