01045995

Component

https://doi.org/10.3141/2028-06

http://scholar.google.com...iams&publication_year=2007

A project was focused on developing alternative rail anchorage systems for the Texas Department of Transportation’s T501 and T203 bridge rail systems. The project considered only epoxy adhesive anchoring systems for each of these railings for use in repair and retrofit situations. Full-scale testing was performed on both rail types, and strength data were obtained with instrumented strain gauges on the rail anchorage for both rail types. These data were analyzed and used to develop alternate rail anchorage systems for both T501 and T203 bridge rails. Long-term durability of epoxy anchoring systems was also considered. The retrofit–repair strengths from the dynamic and static testing for both the T501 and the T203 compared closely to the dynamic and static strengths of the current strengths capacities. In summary, the strengths of the retrofit designs were close to and in some tests exceeded the calculated capacities of the bridge rails. The static strengths were close to the dynamic 50-ms average strengths recorded from the bogie testing. The new retrofit–repair designs developed and tested for this project are recommended for implementation for use on any new or existing bridge projects. The use of the Hilti RE 500 adhesive anchoring system was successful in achieving the strengths needed to adequately anchor the retrofit–repair reinforcement for both the T501 and the T203 bridge rails. The information learned from this project can be used to retrofit and repair other bridge rail designs in the future.

01089637

English

pp 42-55

2007

Transportation Research Record: Journal of the Transportation Research Board

9780309104555

Print

Figures (8) ; Photos (2) ; References (1) ; Tables (1)

Adhesive strength; Anchorages; Bridge railings; Durability; Dynamic tests; Epoxy resins; Prototype tests; Repairing; Retrofitting; Static tests; Structural strengthening

Texas Department of Transportation

Texas

Bridges and other structures; Design; Highways; I24: Design of Bridges and Retaining Walls

TRIS, TRB

Feb 8 2007 7:01PM

• Aesthetics, Design-Build, and Workhorse Bridges
• Alternative Reinforcing Details in Dapped Ends of Precast Concrete Bridge Girders: Experimental Investigation
• Brady Street Posttensioned Concrete Pedestrian Bridge in Milwaukee, Wisconsin
• Bridge Displacement Estimates from Measured Acceleration Records
• Design of I-40 Bridges in Guadalupe County, New Mexico
• Development of Live Load Distribution Factor Equation for Girder Bridges
• Effects of Initial Surface Treatment Timing on Chloride Concentrations in Concrete Bridge Decks
• Effects of Multiple Damage–Heat Straightening Repairs on Steel Beams
• Factors Affecting Stress Crack Resistance of Corrugated High-Density Polyethylene Pipe (With Discussion and Closure)
• Fiber-Reinforced Polymer Repair and Strengthening of Structurally Deficient Piles
• Field Tests to Determine Static and Dynamic Response to Traffic Loads of Fiber-Reinforced Polyester No-Name Creek Bridge
• Guideline for Interpreting AASHTO Specifications to Design or Evaluate Buried Structures with Comprehensive Solution Methods
• Impact Echo Data Analysis Based on Hilbert–Huang Transform
• Improving Redundancy of Two-Girder Bridges
• In Situ Materials and Structural Assessment of Stress-Laminated Deck Bridge Treated with Chromate Copper Arsenate
• Load and Resistance Factor Design of Integral Bent Caps
• Longitudinal Progression of Burst Head During Pipe Bursting: Calculation of Pulling Force
• Multiple Presence Statistics for Bridge Live Load Based on Weigh-in-Motion Data
• Performance Evaluation of Concrete Bridge Deck Affected by Chloride Ingress: Simulation-Based Reliability Assessment and Finite Element Modeling
• Reaction Distribution in Highly Skewed Continuous Steel Girder Bridge: Testing and Analysis
• Reliability-Based Procedure for Developing Load and Resistance Factor Seismic Bridge Design Specifications
• Sensitivity Studies of Grout Defects in Posttensioned Bridge Ducts Using Impact Echo Scanning Method
• Soil–Structure Interaction and Imperfect Trench Installations for Deeply Buried Corrugated Polyvinyl Chloride Pipes
• Structured Public Involvement in Context-Sensitive Large Bridge Design Using Casewise Visual Evaluation: Case Study of Section 2 of Ohio River Bridges Project