| 可靠性指标的区间估计及其工程意义 |
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| 引用本文： | 寇新建,宋计棉. 可靠性指标的区间估计及其工程意义[J]. 勘察科学技术, 2005, 0(4): 3-5,27 |
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| 作者姓名： | 寇新建 宋计棉 |
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| 作者单位： | 1. 上海交通大学土木系,上海市,200030
2. 上海交通大学工业设计系,上海市,200030 |
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| 摘 要： | 可靠性指标是可靠性设计中的重要参数,其精度对于建筑物的安全判别至关重要。在实际工程中除了需要对可靠性指标和失效概率进行计算外,对该指标进行置信区间估计也是一个重要方面。该文推导了一定条件下的可靠性指标置信区间的估计公式,并从理论上说明了在工程设计中顾及可靠性指标置信区间估计的概念及其重要性。
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| 关 键 词： | 结构可靠性 可靠性指标 区间估计 |
| 修稿时间： | 2005-02-21 |
Confidence Interval of Reliability Index and Its Significance in Engineering |
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| Kou Xinjian,Song Jimian. Confidence Interval of Reliability Index and Its Significance in Engineering[J]. Site Investigation Science and Technology, 2005, 0(4): 3-5,27 |
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| Authors: | Kou Xinjian Song Jimian |
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| Affiliation: | Kou Xinjian 1 Song Jimian 2 |
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| Abstract: | Reliability index is an important parameter in design founded on the reliability method.Precision of the parameter is vital for safety assessment. Not only the point estimation for reliability index but also interval estimation are necessitated in actual projects. With certain hypothesis, the authors derive the formulae for confidence interval of reliability index. The significance of interval estimation has been explained theoretically in this paper. |
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| Keywords: | reliability of structures reliability index interval estimation |
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