Transition of Allowable Stress Rating to Load and Resistance Factor Rating for Timber Bridges
One of the critical challenges facing the infrastructure community is that transportation agencies do not have sufficient information whether Allowable Stress rating (ASR) provides a better rating for timber bridges compared with Load and Resistance Factor rating (LRFR) or vice versa. In other words, simple analytical calculations will merely generate rating factors without knowing the actual performance of timber bridges. Refined investigations are, thus, necessary for addressing this practical matter in order to advance the state of the art of bridge rating technologies. The proposal discusses a comprehensive research program to elucidate the applicability of ASR and LRFR in timber bridges and aims to suggest an appropriate rating protocol. Furthermore, to strengthen the outcomes of the research, an experimental program is conducted with various retrofit methods and their implications will be examined. In so doing, bridge owners can properly manage built-environments and efficiently spend funds on maintenance and traffic control.
Language
- English
Project
- Status: Active
- Funding: $160000
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Contract Numbers:
69A3551747108
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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:
North Dakota State University
Fargo, ND United States 58108 -
Project Managers:
Tolliver, Denver
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Performing Organizations:
University of Colorado Denver
Denver, CO United States -
Principal Investigators:
Kim, Yail Jimmy
- Start Date: 20211112
- Expected Completion Date: 20240731
- Actual Completion Date: 0
- USDOT Program: University Transportation Centers Program
- Source Data: MPC-675
Subject/Index Terms
- TRT Terms: Load and resistance factor design; Load factor; Stresses; Timber construction; Wooden bridges
- Subject Areas: Bridges and other structures; Design; Highways; Maintenance and Preservation; Materials;
Filing Info
- Accession Number: 01788883
- Record Type: Research project
- Source Agency: Mountain-Plains Consortium
- Contract Numbers: 69A3551747108
- Files: UTC, RIP
- Created Date: Nov 18 2021 5:36PM