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Showing 1 to 20 of 143 for “"Bridge Deck"”.
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Evaluation of concrete bridge deck overlays
… been used by many states for the protection of bridge decks, but the premature delaminations and failures have been observed in many cases. A comprehensive study was recently defined to investigate overlay performance in collaboration with the West Virginia Department of Transportation-Division …
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Performance of Concrete Bridge Deck Joints
… types of joints available for use on concrete bridge decks and to investigate the performance characteristics of each type, including primary functions and movement ranges. Eleven reports on joint performance published by state departments of transportation and universities nationwide were …
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Fiber reinforced polymer bridge deck panels
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2001.
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Sandwich Plate System Bridge Deck Tests
… of tests were conducted on a sandwich plate bridge deck, which consisted of two steel plates and an elastomer core. The first series of testing was conducted by applying a static load on a full scale sandwich plate bridge deck panel. Local strains and deflections were measured to determine …
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Investigations of a Precast Bridge Deck System
Scope and Method of Study:
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Performance of Concrete Bridge Deck Surface Treatments
… surface treatments available for use on concrete bridge decks and to determine which materials are most capable of providing long-term protection from contamination by chloride ions. The products addressed in this report primarily include urethanes, silicon-based sealers, and epoxies. An extensive …
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Finite-element modeling of a composite bridge deck
… for structural applications, an example being bridge decks. In this study a finite-element model using the software ANSYS is developed for an 8&inches;-thick low-profile FRP bridge deck (Prodeck 8) made of E-glass fiber and Polyester resin. The bridge deck is subjected to a patch load at the …
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Evaluations of concrete overlays for bridge deck applications
Protective concrete deck overlays have been successfully used by WVDOH in a number of old and new concrete bridge decks to extend their service life, but in several cases delamination and failures have been observed. A comprehensive study has been recently defined to investigate overlays …
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Fatigue Assessment for Failed Bridge Deck Closure Pour
… closure pour section of an Interstate 81 (I-81) bridge deck failed by punching through near Marion, Virginia. Visual inspection noted that there was considerable corrosion on some of the reinforcing bars in the vicinity of the construction joint, while other failure bars had little or no …
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Effect of Lateral Stiffness on Bridge Deck Performance
The use of the empirical deck design method has increased its acceptance due to the economic advantages that it presents when compared to its counterpart, the traditional method. This can be attributed to the fact that the empirical method provides an appropriate design where the deck withstands …
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Concrete bridge deck assessment using thermography and radar
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1987.
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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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Development of lightweight FRP bridge deck designs and evaluations
… study was to develop and analyze lightweight FRP bridge decks and determine their adequacy under AASHTO's HS25 loading case with minimum stringer spacings of five feet. Two different multicellular decks were designed and tested during this study. Both decks had fiber volume fractions of …
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Analysis of a bridge deck as a plane grid.
Thesis: M.S., Massachusetts Institute of Technology, Department of Civil Engineering, 1965
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Strength and Life Prediction of FRP Composite Bridge Deck
… rehabilitation and replacement of deteriorated bridge decks. However, there is lack of proper understanding of the structural behavior of FRP decks. For example, due to the localization of load under a truck tire, the conventionally used uniform patch loading is not suitable for performance …
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Construction and Behavior of Precast Bridge Deck Panel Systems
A bridge with precast bridge deck panels was built at the Virginia Tech Structures Laboratory to examine constructability issues, creep and shrinkage behavior, and strength and fatigue performance of transverse joints, different types of shear connectors, and different shear pocket spacings. The …
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Data Driven Bridge Deck Deterioration Modeling and Maintenance Intervention Scheduling
<p>Majority of over 617,000 bridges across the United States are significantly impacted by environmental factors, aging materials, and heavy traffic loads. According to the 2021 Infrastructure Report, nearly 231,000 bridges require repair or preservation work, with 46,154 (7.5%) being classified as …
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Developing Condition-Based Triggers for Bridge Deck Maintenance and Rehabilitation Treatments
The bridges in the U.S. highway system suffer from deficiencies in both their structural condition and functionality. In an effort to improve the condition of bridges, highway agencies continually seek effective and efficient approaches to maintenance and rehabilitation (M&R) treatments for their …
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Development of Innovative Hybrid Steel-Free Multi-Girder Bridge Deck System
… three-dimensional steel-free multi-girder bridge deck system composed of longitudinal Glass Fibre Reinforced Polymer (GFRP) hollow box beam girders reinforced with Carbon FRP (CFRP) sheets on the bottom tensile face. An integrated cast-in-place Ultra-High Performance Concrete (UHPC) slab …
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