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Retrofit Railings for Truss Bridges.
| 题名： | Retrofit Railings for Truss Bridges. |
| 作者： | BUTH, C. E.; HAUG, R. R.; MENGES, W. L.; WILLIAMS, W. F. |
| 关键词： | *Truss-bridges; *Retrofitting-; *Railings-; *Texas-.;Design-; Performance-evaluation; Design-criteria; Strength-Mechanics. |
| 摘要： | In 2003, there were 38 metal truss bridges 50 years of age or older remaining on the State of Texas highway system. Of these 38 bridges, 33 are listed in the National Register of Historic Places. Many of these bridges do not meet current design criteria for rehabilitation due to narrow deck widths, low vertical clearance, and substandard load capacity. In addition, the existing bridge railing systems on these bridges have not been shown to meet the current requirements for safety and strength. This project addressed the design and performance of acceptable traffic railings for existing and new truss bridges in Texas. Specific objectives were to: design/develop a retrofit railing for low-speed application on the Roy B. Inks Bridge in Llano, Texas; design/develop a retrofit railing for high-speed application on the U.S. 281 Bridge over the Brazos River in Palo Pinto County, Texas; identify criteria that can serve as a basis for design exceptions; and design/develop a traffic railing for new truss bridges. |
| 报告类型： | 科技报告 |
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- Project Summary Report: Truss Bridge Retrofit Railings. Project summary report.
- Low Vertical Clearance Truss Bridges: Risk Assessment and Retrofit Mitigation Study
- Best Practices for the Rehabilitation and Moving of Historic Metal Truss Bridges.
- Best Practices for the Rehabilitation and Moving of Historic Metal Truss Bridges
- Guardrails for Use on Historic Bridges: Volume 1—Replacement Strategies.
- Guardrails for Use on Historic Bridges Volume 2—Bridge Deck Overhang Design.
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