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首页> 美国政府科技报告 >Development of Reliability-Based Design Criteria for Building under Seismic Load
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Development of Reliability-Based Design Criteria for Building under Seismic Load

机译：基于可靠性的地震荷载建筑设计标准的开发

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Although the large uncertainty in the earthquake loadings has long beenrecognized by engineers, it has not been fully accounted for in code procedures other than in the selection of a design earthquake. The recent sentiment of the research community and design professionals is that there is a need for development of design procedures based on consideration of the physics of the problem and explicit treatment of the uncertainties. Such procedures may be used as the basis for development of the next generation of buildings codes. In this report, the theory and methodology that can be used to formulate such a design procedure is presented. A brief review is given of the theoretical background of reliability analysis and reliability-based design, followed by an examination of the safety considerations in representative current code procedures as well as the reliability of buildings designed in accordance with such procedures in different countries. Finally, a bi-level, performance-based design procedure is proposed in which desirable reliabilities can be implemented against both unserviceability and ultimate failure.

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