| 压力容器强度可靠性平均安全系数校核 |
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| 引用本文： | 蔡克霞,王毅.压力容器强度可靠性平均安全系数校核[J].哈尔滨工业大学学报,2003,35(12):1496-1498. |
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| 作者姓名： | 蔡克霞 王毅 |
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| 作者单位： | 1. 宁夏大学,机械工程系,宁夏,银川,750021
2. 西安交通大学,化学工程系,陕西,西安,710049 |
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| 基金项目： | 宁夏大学科研基金资助项目(032401) |
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| 摘 要： | 为克服用常规安全系数校核容器强度不能反映应力和材料强度变化的缺点，利用可靠性分析的方法，获得压力容器受各种载荷下的可靠性平均安全系数，它既考虑了应力和强度的变化，又考虑了失效的不同后果．用可靠性平均安全系数进行容器的强度校核比用常规安全系数进行容器校核安全和经济．
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| 关 键 词： | 压力容器 强度 可靠性 安全系数校核 正态分布 |
| 文章编号： | 0367-6234(2003)12-1496-03 |
| 修稿时间： | 2003年3月30日 |
Checking up pressure vessels' strength by average safety factor of reliability |
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| CAI Ke-xia,WANG Yi.Checking up pressure vessels'''' strength by average safety factor of reliability[J].Journal of Harbin Institute of Technology,2003,35(12):1496-1498. |
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| Authors: | CAI Ke-xia WANG Yi |
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| Abstract: | Average safety factors of reliability can be established through reliability analysis for a pressure vessel subject to different kinds of loads with variances of stress and strength and influence of different consequences of failure taken into consideration. Checking up the strength of pressure vessels by average safety factors of reliability is safer and more economical than checking up the strength of pressure vessels by the conventional safety factors. |
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| Keywords: | pressure vessel mechanical strength reliability design average safety factor of reliability probability mean of stress deviation of stress coefficient of variance |
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