| 英文摘要 |
This paper presents a major revision of the Directorate General of Highways publication, the “Seismic Retrofitting Manual for Highway Bridges,” which was published by the Ministry of Transportation and Communications in 1999. The 2009 edition expands upon the previous publication by including procedures for performance-based seismic evaluation and retrofitting of bridges, as well as basic principles for evaluating and retrofitting scoured bridges with an exposed foundation structure. The revised manual maintains the basic format of the retrofitting process described in the 1999 manual. However, major changes were made to include current advances in earthquake engineering, field experience with retrofitting highway bridges, and the performance of bridges in recent earthquakes as well as in the 1999 Chi-Chi earthquake. |
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