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The objectives of this study are three-fold: (1) develop/validate dynamic numerical finite element models to simulate the pre-stressed concrete bridge girders with intermediate diaphragms, (2) perform numerical parametric study to evaluate the effect of the critical factors on design of intermediate diaphragms, and (3) provide recommendations and guideline to better design of intermediate diaphragms to impact of over-height trucks. The conducted study aims to shed light on improved impact protection of prestressed concrete bridge girders with intermediate diaphragms and aid the WSDOT in design, analysis, and construction of pre-stressed concrete bridges. The findings of this study assist in developing the specific standard of practice (such as, amendments to AASHTO standard specifications, WSDOT standard specifications, policy directives, implementation manuals, or operating procedures) for design of pre-stressed concrete bridge girders with intermediate diaphragms. More importantly, the proposed recommendations and guideline help the bridge engineers to make better design decision for pre-stressed concrete bridges.
The objectives of this study are three-fold: (1) develop/validate dynamic numerical finite element models to simulate the pre-stressed concrete bridge girders with intermediate diaphragms, (2) perform numerical parametric study to evaluate the effect of the critical factors on design of intermediate diaphragms, and (3) provide recommendations and guideline to better design of intermediate diaphragms to impact of over-height trucks. The conducted study aims to shed light on improved impact protection of prestressed concrete bridge girders with intermediate diaphragms and aid the WSDOT in design, analysis, and construction of pre-stressed concrete bridges. The findings of this study assist in developing the specific standard of practice (such as, amendments to AASHTO standard specifications, WSDOT standard specifications, policy directives, implementation manuals, or operating procedures) for design of pre-stressed concrete bridge girders with intermediate diaphragms. More importantly, the proposed recommendations and guideline help the bridge engineers to make better design decision for pre-stressed concrete bridges.
Effect of Intermediate Diaphragms to Prestressed Concrete Bridge Girders in Over-Height Truck Impacts
2008
151 pages
Report
No indication
English
Transportation , Transportation & Traffic Planning , Regional & Urban Planning & Technology , Computers, Control & Information Theory , Structural Analyses , Civil, Construction, Structural, & Building Engineering , Washington (State) , Recommendations , Intermediate diaphragms , Bridge girders , Bridge (Structure) , Prestressed concrete beams , Bridge engineers , Implementation manuals , Procedures compliance , Guideline amendments , Washington State Department of Transportation (WSDOT)
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