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原文传递 Guidelines for Historic Bridge Rehabilitation and Replacement.

题名：	Guidelines for Historic Bridge Rehabilitation and Replacement.
作者：	harshbarger, j. p. mccahon, m. e. pullaro, j. j. shaup, s. a.
关键词：	guidelines, decision making, protocols, remedial actions
摘要：	This report presents a literature search, findings of a survey on the current state of historic bridge rehabilitation or replacement decision making by state and local transportation agencies, and nationally applicable decision-making guidelines for historic bridges. The guidelines are intended to be used as the protocol for defining when rehabilitation of historic bridges can be considered prudent and feasible and when it is not based on engineering and environmental data and judgments. The guidelines include identification of various approaches to bringing historic bridges into conformance with current design and safety guidelines/standards, and the effect or implications of remedial action on historical significance. There are currently no such nationally applicable decision-making guidelines, but there are a variety of state and local processes and policies for managing historic bridges. Effective practices for the various processes inform the nationally applicable guidelines. The guidelines are in narrative and matrix format. / Supplementary Notes: Prepared in cooperation with Parsons Brinckerhoff Quade and Douglas, Inc., New York. Sponsored by Transportation Research Board, Washington, DC. National Cooperative Highway Research Program. and American Association of State Highway and Transportation Officials, 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 5285 Port Royal Road, Springfield, VA, 22161, USA.
总页数：	u0714；57p
报告类型：	科技报告