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REDARS Validation Report.
| 题名： | REDARS Validation Report. |
| 作者： | cho, s. huyck, c. k. ghosh, s. eguchi, r. t. |
| 关键词： | risk assessment, seismic protection, highway safety, hazards, uncertainty, performance, vulnerability, highway infrastructure, post-earthquake analyses, ground motion, bridge fragility models, traffic state models, economic loss models, software program |
| 摘要： | This report represents the result of an extensive review and evaluation of the Seismic Risk Assessment (SRA) methodology for highway systems documented in Werner et al (PB2001-108756). The research team evaluated the efficacy of all key modules in the REDARS (Risk of Earthquake Damage for Roadway Systems) software program. The modules included: bridge damage or fragility module, post-earthquake traffic state module, transportation module, and economic loss module. The reader should note that the version of REDARS that was evaluated in this study has since been updated based largely on the conclusions and recommendations of this report. Some of the key recommendations that were identified in this study include: (1) the uncertainty factors in the bridge fragility model require further investigation, (2) additional events beyond the 1994 Northridge earthquake should be incorporated in the validation and/or calibration of the different loss modules, especially related to bridge fragilities, (3) further investigation of the traffic state model, particularly, in the relationship between link importance and duration of bridge closure should be conducted, (4) the travel demand model should be enhanced so that congestion level becomes a critical factor in establishing demand, (5) a more realistic post-earthquake, route choice model should be developed, and (6) other significant cost items should be included in future enhancements of REDARS. / NOTE: Technical rept. / Supplementary Notes: See also PB2001-108756. Sponsored by the Multidisciplinary Center for Earthquake Engineering Research, Buffalo, NY., and the Federal Highway Administration, Washington, DC. / Availability Note: Available on CD-ROM and in color paper copy only. 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： | u0712；152p |
| 报告类型： | 科技报告 |
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