| 钢筋混凝土梁的刚度可靠度分析 |
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| 引用本文： | 郝润霞,明文卉. 钢筋混凝土梁的刚度可靠度分析[J]. 工业建筑, 2012, 0(Z1): 98-100,151 |
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| 作者姓名： | 郝润霞 明文卉 |
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| 作者单位： | 内蒙古科技大学建筑与土木工程学院;内蒙古包头市规划局 |
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| 摘 要： | 根据GB 50010-2010《混凝土结构设计规范》的刚度计算公式,建立了混凝土梁抗弯刚度的多维非线性极限状态方程。基于随机参数统计分布,构建了梁失效模式下的抗弯刚度可靠性模型,分别应用中心点法、JC法和Monte Carlo法计算梁的可靠度。计算结果表明,所建立的可靠性模型揭示了钢筋混凝土梁在各种随机因素作用下刚度失效的规律,为钢筋混凝土梁的刚度可靠度分析提供了理论依据。
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| 关 键 词： | 钢筋混凝土 可靠度 刚度 |
RIGIDITY RELIABILITY ANALYSIS OF REINFORCED CONCRETE BEAM |
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| Hao Runxia,Ming Wenhui. RIGIDITY RELIABILITY ANALYSIS OF REINFORCED CONCRETE BEAM[J]. Industrial Construction, 2012, 0(Z1): 98-100,151 |
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| Authors: | Hao Runxia Ming Wenhui |
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| Affiliation: | 1.Architecture and Civil Engineering School,UST Inner Mongolia,Baotou 014010,China; 2.Baotou Urban Planning Bureau Inner Mongolia,Baotou 014030,China) |
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| Abstract: | Considering the approximate rigidity formula of Code for "Design of Concrete Structures"(GB 50010-2010),multi-dimensional and non-linear limit state equation of rigidity of beam was established.Based on the distribution of random parameters,the model of reliability of beam was built under the rigidity failure mode.Reliability of structure was obtained from numerical calculations in JC method and Monte Carlo method.The results indicated that the model for the reliability of reinforced concrete beam revealed the principle of rigidity failure under a variety of random factors.In addition,the study provides a theoretical basis for the structural analysis of rigidity of reinforced concrete beam. |
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| Keywords: | reinforced concrete reliability rigidity |
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