| 可靠度及其反问题理论在桥梁中的应用 |
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| 引用本文： | 沙丽新,石雪飞. 可靠度及其反问题理论在桥梁中的应用[J]. 建筑技术开发, 2003, 0(3) |
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| 作者姓名： | 沙丽新 石雪飞 |
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| 作者单位： | 同济大学桥梁工程系 上海200092(沙丽新)，同济大学桥梁工程系 上海200092(石雪飞) |
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| 摘 要： | 本文介绍了概率随机可靠度计算理论中改进的一次二阶矩法及可靠度反问题计算理论。为便于理解 ,以一算例简单介绍了多个设计参数可靠度反问题的计算思路。最后以一斜拉桥为例 ,应用改进的验算点法对斜拉桥主梁作了静力可靠性及相应的反问题计算 ,并对结果进行分析。
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| 关 键 词： | 可靠度 一次二阶矩法 可靠度反问题 |
APPLICATIONS OF RELIABILITY AND RELIABILITY INVERSE PROBLEM THOERY TO THE BRIDGES |
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| Sha Li|xin Shi Xue|fei. APPLICATIONS OF RELIABILITY AND RELIABILITY INVERSE PROBLEM THOERY TO THE BRIDGES[J]. Building Technique Development, 2003, 0(3) |
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| Authors: | Sha Li|xin Shi Xue|fei |
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| Affiliation: | Sha Li|xin Shi Xue|fei |
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| Abstract: | In this paper,improved first|order second|moment method and reliability inverse problem theory is presented.In the following examples,a general method is shown for inverse reliability problems with multiple design variables and constraints.Finally,a static reliability analysis and reliability inverse problem is applied to the girder of a given cable|stayed bridge.Numerical results are given and studied. |
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| Keywords: | Reliability index First|order second|moment method Reliability inverse problem |
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