Global ETD Search
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Showing 1 to 7 of 7 for “"bridge bearings"”.
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Live Load Testing and Analysis of the Southbound Span of U.S. Route 15 over Interstate-66
… Highway Administration's (FHWA) Long-Term Bridge Performance (LTBP) Program has been developed to help bridge stakeholders make the best decisions concerning the allocation of these funds. This is done through the use of high quality data obtained through numerous testing processes. As part …
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Development, Testing, and Evaluation of Bridge Bearing Movement Sensor System
Bridge bearings and expansion joints are critical features of bridges as they prevent the buildup of thermal stresses caused by changing temperatures. Current assessment techniques include visual inspections which are subject to inaccuracies based on the inspectors' judgement. Therefore, innovation …
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Nonlinear seismic analysis of quasi-isolation systems for earthquake protection of bridges
Quasi-isolation is a modern bridge seismic design philosophy where nonlinearity is permitted to occur in specific bearing components such that forces transferred into the substructure are reduced and isolation is achieved by sliding of the bearings. The system is a pragmatic approach for providing …
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Effect of Thermal Loading on the Performance of Horizontally Curved I-Girder Bridges
… and older infrastructure is replaced or updated, bridge designers are faced with increasing space and geometrical limitations. Curved bridges have become a popular design alternative to the traditional straight girder or chorded bridges as they can provide the designer a more cost effective …
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Assessment of modeling sensitivity for nonlinear seismic analysis of highway bridges in Illinois
… in the western United States, which focus on bridge configurations that dissipate energy either by plastic deformation of the piers or by specially designed isolation devices placed between the superstructure and substructure. The Illinois Department of Transportation (IDOT) has focused on …
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IMPACT OF SOIL-STRUCTURE INTERACTION ON SEISMIC BEHAVIOUR OF INTEGRAL ABUTMENT BRIDGES
… behaviour of infrastructure, such as integral bridges, during seismic loading will allow bridge and geotechnical engineers to design these bridges to operate safely during and after earthquake loading and, therefore, reduce the risk of loss of lives and infrastructure damage. Renovating, …
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Sacrificial bearing components for quasi-isolated response of bridges subject to high-magnitude, low-probability seismic hazard
Bridges in low- to moderate-seismic zones, such as Mid-America, commonly employ elastomeric expansion bearings to accommodate service-level thermal deformations in the superstructure. Any potentially beneficial effect of these bearings during seismic loading is typically ignored, and the …