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Strengthening from Within: Seamlessly Integrating New and Old Materials Helped Strengthen a Historic Bridge in Washington, DC.
| 题名： | Strengthening from Within: Seamlessly Integrating New and Old Materials Helped Strengthen a Historic Bridge in Washington, DC. |
| 作者： | darden, c. scott, t. j. |
| 关键词： | grouts(cements), reinforcing steels |
| 摘要： | This article explains the twin demands of accommodating heavy traffic and ensuring the preservation of the oldest bridge in the Nation's capital, which proved to be manageable challenges on a recent restoration project in the historic Georgetown area of Washington, DC. When structural analyses showed that the Wisconsin Avenue Bridge over the Chesapeake and Ohio Canal National Historical Park could not adequately support current vehicle loads, transportation officials from the District Department of Transportation (DDOT) and the Eastern Federal Lands Highway Division (EFLHD) of the Federal Highway Administration (FHWA), began exploring alternatives to strengthen the structure. Adding to the complexity of the project, the National Park Service (NPS) owns the bridge and DDOT is responsible for the maintenance and control of the road through an interagency agreement, so collaboration and cooperation became essential early on - and remained so throughout the project - to ensure that both transportation and historic preservation goals were met. / NOTE: Journal article. / Supplementary Notes: This article is from 'Public Roads', Volume 68, Number 5, March/April 2005. / Availability Note: Also available on CD-ROM. 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 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0821；10p |
| 报告类型： | 科技报告 |
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