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Showing 1 to 9 of 9 for “"bridge rehabilitation"”.
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Hydrodemolition for concrete removal in bridge rehabilitation
… by state Departments of Transportation for bridge rehabilitation work. The technical, financial and contractual aspects of using hydrodemolition are examined and a brief explanation of salt induced concrete deterioration in bridges is presented. Interviews were conducted with state DOT …
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Analysis of concrete removal technologies in bridge rehabilitation
… the emphasis must now be focussed on the rehabilitation of many of the older sections of the system which have undergone damage or deterioration. The efficiency and effectiveness of the concrete removal operation will profoundly affect the outcome of the bridge rehabilitation. Pneumatic …
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VHPC Material Characterization and Recommendations for the Buffalo Branch Bridge Rehabilitation
Adjacent box beam bridges are economical bridge systems for accelerated bridge construction. The box beams are constructed at precast plants and are traditionally connected by a shear key filled with grout. This system is ideal for short spans with low clearance restrictions. However, due to the …
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Field methods for rapidly characterizing contaminant mobility in paint waste during bridge rehabilitation
… of classifying all paint waste as hazardous from bridges undergoing rehabilitation which were constructed before 1989. This practice stems from the fact that there is no approved reliable, fast, and efficient method for classifying paint waste in-situ as non-hazardous. The main objective of this …
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Characterization and Modeling of a Fiber-Reinforced Polymeric Composite Structural Beam and Bridge Structure for Use in the Tom's Creek Bridge Rehabilitation Project
… for steel and concrete in primary and secondary bridge structures, but the experience with composites in these applications is minimal. Recently, however, a number of groups in the United States have constructed short-span traffic bridges utilizing FRP members. These demonstration cases will …
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Machine Learning for the Condition Assessment of Concrete Bridges
The assessment of concrete bridge conditions is critical for ensuring structural integrity and public safety. Traditional inspection methods, which rely heavily on visual inspections and manual assessments, are time-consuming, subjective, and prone to human error. With the increasing number of …
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Corrosion Assessment for Failed Bridge Deck Closure Pour
… United States, there are approximately 600,000 bridges. From those bridges 24% are considered structurally deficient or functionally obsolete based on the latest, December 2010, statistic from the Federal Highway Administration (FHWA). Mainly, this is due to chloride attack present in deicing …
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The Performance and Behavior of Deck-to-Girder Connections for the Sandwich Plate System (SPS) in Bridge Deck Applications
… innovative approach to possible construction or rehabilitation of bridge decks can be found in a bridge construction system called the Sandwich Plate System (SPS). The technology developed and patented by Intelligent Engineering Canada Limited in conjunction with an industry partner, Elastogran …
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Evaluation of the In-Servic Performance of the Tom's Creek Bridge
The Tom's Creek Bridge is a small-scale demonstration project involving the use of fiber-reinforced polymer (FRP) composite girders as the main load carrying members. The project is intended to serve two purposes. First, by calculating bridge design parameters such as the dynamic load allowance, …