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Condition Assessment of Short-Line Railroad Bridges in Pennsylvania.
| 题名： | Condition Assessment of Short-Line Railroad Bridges in Pennsylvania. |
| 作者： | J. A. Laman; R. C. Guyer; |
| 关键词： | railroad bridges,short-line,pennsylvania;bridge database, risk assessment, decision making, prioritization algorithm; |
| 摘要： | Current levels of available resources to maintain and preserve the Pennsylvania short-line railroad bridge infrastructure require that important priority decisions be made on an annual basis. The primary objective of the study was to establish a reliable database of Pennsylvania SLRR bridges and to develop a risk-based bridge prioritization algorithm. A bridge survey of Pennsylvania short-line railroad owners and operators was conducted to develop a bridge database that would be as complete and accurate as possible given the available time and resources. The proposed algorithm provides a tool for PennDOT to use in making more effective maintenance and preservation resource allocation decisions for these structures. The study consisted of a literature review, bridge survey, database update, bridge sample, assessment of the current overall SLRR bridge population, and a risk-based prioritization algorithm. / Title Note: Final rept. / Supplementary Notes: Sponsored by Pennsylvania Dept. of Transportation, Harrisburg. Bureau of Planning and Research. / Availability Note: 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 A20 / NTIS In-house Control Codes: dotour;12091,1101 |
| 报告类型： | 科技报告 |
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