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AASHTO Fracture Control Plan and Revisions to LRFD Fatigue Design Specifications
Primarily in response to failures during the late 1960's and 1970's, the material, design, fabrication, shop inspection, and in-service inspection requirements ...
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Efficient Load Rating and Quantification of Life-Cycle Damage of Indiana Bridges Due to Overweight Loads
The project aims at studying the relationships between, (i) overweight trucks, (ii) load rating and damage of bridges due to the overweight trucks, (iii) ...
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Experimental Evaluation and Implementation of Post-Tensioning in Concrete Bridge Decks
An experimental evaluation of post-tensioning in concrete bridge decks is being carried out to verify design recommendations derived from analytical models for ...
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Increasing Bridge Deck Service Life
The Indiana Department of Transportation is funding this project with an objective of developing a bridge deck that has a service life of 75-100 years. To ...
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In-Service Inspection Frequency for Non-Load-Path Redundant Bridges
It is well recognized that the major impact on life-cycle costs is the additional mandate for hands-on in-service inspection of fracture-critical members. In ...
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Laboratory Testing of Railroad Flatcars For Use as Highway Bridges on Low-Volume Roads to Determine Ultimate Strength and Redundancy
Several counties in Indiana use retired railroad flatcars for a bridge superstructure to replace existing deteriorating county bridges. There are over 130 ...
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Member-level Redundancy in Built-up Steel Members
The objective of this research is to quantify the redundancy possessed by built-up steel members (bolted or riveted). Typically, built-up members will not ...
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Modal Analysis and Load Identification Techniques for a Rapidly Emplaced Bridge System
This project's goals are first to determine through experimental procedures the vibration behavior of a military-type deployable bridge under various types of ...
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NCHRP Project 10-72 - Bridge Deck Design Criteria and Testing Procedures
Although not often recognized for their significance by the motoring public, deck elements of highway bridges are important components for an efficient highway ...
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Performance Evaluation of Crack and Deck Sealants for Concrete Bridge Decks
Corrosion of steel reinforcement from salt intrusion can greatly reduce the service life of a concrete bridge deck. Sealants applied to the deck surface and ...
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