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BRIDGE MANAGEMENT FOR THE 21ST CENTURY.
| 题名： | BRIDGE MANAGEMENT FOR THE 21ST CENTURY. |
| 作者： | Roberts-JE; Shepard-R |
| 关键词： | Aashto-; Bridge-health-index; Bridge-management-systems; Bridge-rating; California-; Maintenance-management; Pontis-Computer-Program; U.S.-Federal-Highway-administration |
| 摘要： | Bridge management has been a subject of intense interest and development for the past 10 years. In support of improved bridge management, the Federal Highway Administration (FHWA) funded the development of the Pontis bridge computer program, which is now in use by approximately 40 of the 50 states. In addition, many new guide specifications have been produced to assist bridge managers in their efforts to better manage the nation's aging bridge inventory. The American Association of State Highway and Transportation Officials (AASHTO) Subcommittee on Bridges and Structures has taken the lead along with FHWA in implementing the improved bridge management systems. California and a few other states have been critical of the current ranking system for bridge maintenance and have been working to develop an improved performance measure. The bridge health index (HI), an improved and more comprehensive numerical rating system that uses the element inspection data to determine the remaining asset value of a bridge or network of bridges, is discussed. The HI is more consistent with the element-level evaluation data collected and reported in the Pontis program. Examples of the application of the HI are included. |
| 总页数： | Conference Title: Fifth International Bridge Engineering Conference. Location: Tampa, Florida. Sponsored by: Transportation Research Board |
| 报告类型： | 科技报告 |
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