Performance of Prestressed Bridge Girders Subjected to Vehicle Impacts
There are 614,387 bridges in the US. The majority of those bridges were constructed using prestressed concrete systems. These bridges are subjected to different natural and manmade hazards. Among those hazards, vessel and vehicle collisions are the 2nd highest cause for bridge collapse. This proposal aims to investigate the effects of vehicle impact on prestressed bridge girders. High fidelity finite element models of prestressed bridge girders will be developed. The models will be validated against experimental work from literature. The validated models will be used to investigate the effects of over-height vehicle impact on bridge girders. The girders will be subjected to vehicles having different details including vehicle speeds. The girders will have different construction details including the number of prestressed tendons and reinforcement. Once the girders were subjected to vehicle impacts, the damage will be determined and the reduction in the bending capacity of the girders will be determined.
Language
- English
Project
- Status: Completed
- Funding: $170,000
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Contract Numbers:
69A3551747107
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Sponsor Organizations:
Office of the Assistant Secretary for Research and Technology
University Transportation Centers Program
Department of Transportation
Washington, DC United States 20590 -
Managing Organizations:
Mid-America Transportation Center
University of Nebraska-Lincoln
2200 Vine Street, PO Box 830851
Lincoln, NE United States 68583-0851 -
Project Managers:
Stearns, Amy
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Performing Organizations:
Missouri University of Science & Technology, Rolla
Department of Engineering
202 University Center
Rolla, MO 65409 -
Principal Investigators:
ElGawady, Mohamed
- Start Date: 20210101
- Expected Completion Date: 20220630
- Actual Completion Date: 20221231
- USDOT Program: University Transportation Centers Program
- Source Data: RiP Project 91994-89
Subject/Index Terms
- TRT Terms: Axial loads; Crash tests; Finite element method; Girder bridges; Girders; Height; Load tests; Motor vehicles; Prestressed concrete bridges; Speed
- Subject Areas: Bridges and other structures; Highways; Materials; Safety and Human Factors; Vehicles and Equipment;
Filing Info
- Accession Number: 01785294
- Record Type: Research project
- Source Agency: Mid-America Transportation Center
- Contract Numbers: 69A3551747107
- Files: UTC, RIP
- Created Date: Oct 22 2021 2:20PM