A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Implementation and Non-Destructive Evaluation of Composite Structural Shapes in Tom's Creek Bridge
A bridge rehabilitation utilizing a hybrid fiber reinforced polymeric composite has been completed in Blacksburg, Virginia. This project invovled replacing the superstructure in the Tom's Creek Bridge, a rural short-span traffic bridge with a timber deck and corroded steel girders, with a glue-lamianted timber deck on composite girders. In order to verify the bridge design and to address construction issues prior to the rehabilitation, a full-scale mock-up of the bridge was built and tested in the laboratory. This set-up utilized the actual composite beams, glue-laminated timber deck panels, and geometry to be implemented in the rehabilitation. After the rehabilitation was completed, the bridge was field tested under a known truckload. Both tests examined service load deflections, girder strains, load distribution, the degree of composite action, inter-panel deck deflections, and impact factor. The field test results indicate a service load deflection of L/400 under moving loads and a factor of safety of over 7 using the projected A-allowable for beam flexural strength. The data from the field test serves as a baseline reference for future field durability assessment as part of a long-term performance and durability study.
Implementation and Non-Destructive Evaluation of Composite Structural Shapes in Tom's Creek Bridge
A bridge rehabilitation utilizing a hybrid fiber reinforced polymeric composite has been completed in Blacksburg, Virginia. This project invovled replacing the superstructure in the Tom's Creek Bridge, a rural short-span traffic bridge with a timber deck and corroded steel girders, with a glue-lamianted timber deck on composite girders. In order to verify the bridge design and to address construction issues prior to the rehabilitation, a full-scale mock-up of the bridge was built and tested in the laboratory. This set-up utilized the actual composite beams, glue-laminated timber deck panels, and geometry to be implemented in the rehabilitation. After the rehabilitation was completed, the bridge was field tested under a known truckload. Both tests examined service load deflections, girder strains, load distribution, the degree of composite action, inter-panel deck deflections, and impact factor. The field test results indicate a service load deflection of L/400 under moving loads and a factor of safety of over 7 using the projected A-allowable for beam flexural strength. The data from the field test serves as a baseline reference for future field durability assessment as part of a long-term performance and durability study.
Implementation and Non-Destructive Evaluation of Composite Structural Shapes in Tom's Creek Bridge
M. D. Hayes (author) / J. Haramis (author) / J. J. Lesko (author) / T. E. Cousins (author) / J. C. Duke (author)
2000
40 pages
Report
No indication
English
Highway Engineering , Construction Equipment, Materials, & Supplies , Composite Materials , Transportation , Transportation & Traffic Planning , Composite materials , Bridges(Structures) , Bridge maintenance , Performance evaluation , Polymer composites , Implementation , Life expectancy(Service life) , Field tests , Non-destructive tests , Fiber reinforced composites , Virginia , Bridge rehabilitation
The Tom's Creek Bridge Rehabilitation and Field Durability Study
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Non Destructive Structural Evaluation of Two Bridge Superstructures
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