| 基于功能的结构抗震设计中一些问题的探讨 |
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| 引用本文： | 程耿东,李刚. 基于功能的结构抗震设计中一些问题的探讨[J]. 建筑结构学报, 2000, 21(1): 5-11 |
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| 作者姓名： | 程耿东 李刚 |
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| 作者单位： | 大连理工大学工业装备结构分析国家重点实验室!辽宁大连116024,大连理工大学工业装备结构分析国家重点实验室!辽宁大连116024 |
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| 基金项目： | 国家自然科学基金!批准号：59895410 |
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| 摘 要： | 本文对基于功能的结构抗震设计中的一些问题进行了探讨,指出未来基于功能的结构抗震设 计应具备如下主要特点：分别考虑反映结构抗震设计“共性”和“个性”的两类目标功能水平;直接采 用可靠度的表达形式,并将结构构件层次的可靠度应用水平过渡到考虑不同功能要求的结构体系可 靠度水平上;采用“投资－效益”准则下的基于可靠度的结构优化设计方法。
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| 关 键 词： | 基于功能的设计 结构抗震设计 结构可靠度 结构优化设计 目标功能水平 |
| 收稿时间： | 2000-02-05 |
| 修稿时间： | 2000-02-05 |
Some Key Problems on Performance-based Seismic Design |
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| CHENG Gengdong,LI Gang. Some Key Problems on Performance-based Seismic Design[J]. Journal of Building Structures, 2000, 21(1): 5-11 |
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| Authors: | CHENG Gengdong LI Gang |
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| Affiliation: | CHENG Gengdong,LI Gang (State Key Laboratory of Structural Analysis of Industrial Equipment,Dalian University of Technology,Dalian,China ) |
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| Abstract: | Some key problems on performance-based seismic design are discussed in the present paper. It is concluded that the future performance-based seismic design should contain the following characteristics. (1) The design process should consider two types of target performance levels, which reflect the "generality" and "individuality" of seismic design respectively. (2) The reliability-based format is used directly, and the application of reliability in member level should be improved to that in structural system level considering different seismic performance requirements; (3) Reliability-based structural optimization procedure under cost-benefit criterion should be employed. |
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| Keywords: | structural seismic design performance-based design structural optimization design structural reliability target performance level |
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