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Blast-Resistant Highway Bridges: Design and Detailing Guidelines. National Cooperative Highway Resarch Program.
| 题名： | Blast-Resistant Highway Bridges: Design and Detailing Guidelines. National Cooperative Highway Resarch Program. |
| 作者： | E. B. Williamson; O. Bayrak; G. D. Williams; C. E. Davis; K. A. Marchand; |
| 关键词： | highway bridges,blast-resistant,design guidelines,concrete bridge columns;blast tests, analytical research, design techniques, explosive effects; |
| 摘要： | NCHRP Report 645 presents code-ready language containing general design guidance and a simplified design procedure for blast-resistant reinforced concrete bridge columns. It provides the results of experimental blast tests and analytical research on reinforced concrete bridge columns intended to investigate the effectiveness of a variety of different design techniques. The material in this report will be of immediate interest to bridge designers. There is a need to protect the nation's bridges from intentional or accidental explosions. The impacts of these loads on buildings and military structures have been studied for many years, but design for resistance to explosive effects is a new area for bridge engineers. Much research and development has been done on the effectiveness of seismic strengthening details for buildings and bridges, and it has been suggested that these or similar bridge details, used in new construction or as a retrofit, may serve also to resist explosions and provide a predictable level of protection. There is a need to meld knowledge of seismic and extreme event design for new and existing structures with the equally well-known field of blast-resistant design and the relatively new field of highway bridge blast-resistant design. This research was performed under NCHRP Project 12-72 by the University of Texas at Austin with the assistance of Protection Engineering Consultants and Modjeski and Masters, Inc. The report fully documents the research leading to the developed design and detailing guidelines for blast-resistant reinforced concrete bridge columns. / Supplementary Notes: Prepared in cooperation with Modjeski and Masters, Harrisburg, PA. and Texas Univ. at Austin. Sponsored by American Association of State Highway and Transportation Officials, Washington, DC. and Federal Highway Administration, Washington, DC. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA. / NTIS Prices: PC A09/MF A09 / NTIS In-house Control Codes: nastrb/dotfha;12111,1101 |
| 报告类型： | 科技报告 |
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