| 钢管混凝土纯弯构件可靠度分析 |
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| 引用本文： | 蔡小萍,陈梦成,陈俊.钢管混凝土纯弯构件可靠度分析[J].华东交通大学学报,2008,25(6). |
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| 作者姓名： | 蔡小萍 陈梦成 陈俊 |
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| 作者单位： | 1. 江西蓝天学院,建筑工程系,江西,南昌,330098
2. 华东交通大学,土小建筑学院,江西,南昌,330013 |
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| 基金项目： | 江西省高校结构工程重点实验项目
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| 摘 要： | 直接将影响抗力及荷载效应不定性的各变量视为基本变量,应用可靠度最优化方法,对<钢管混凝土结构技术规程>DBJ13-51-2003中钢管混凝土纯弯构件的承载力公式进行了可靠度分析,并且研究了不同混凝土标号、钢号、荷载组合、荷载效应比以及含钢率等变异因素对钢管混凝土纯弯构件可靠度的影响.
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| 关 键 词： | 优化 钢管混凝土 纯弯构件 可靠度 |
An Analysis on the Reliability of Concrete Filled Steel Tubular Pure Bending Memebers |
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| CAI Xiao-ping,CHEN Meng-cheng,CHEN Jun.An Analysis on the Reliability of Concrete Filled Steel Tubular Pure Bending Memebers[J].Journal of East China Jiaotong University,2008,25(6). |
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| Authors: | CAI Xiao-ping CHEN Meng-cheng CHEN Jun |
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| Institution: | CAI Xiao-ping1,CHEN Meng-cheng2,CHEN Jun1(1.Department of Architecture Engineering,Jiangxi Bluesky University,330098,2.School of Civil Engineering & Architecture,East China Jiaotong University,Nanchang 330013,China) |
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| Abstract: | By treating all the variables that affect the indeterminacies of resistance and the load effects as fundamental variables and using reliability optimization method,the reliability of the pure bending member formulas adopted in the Code for technique of concrete filled steel tubular structure DBJ 13-51-2003 is analyzed.At the same time,the influences of the different grades of material strength,ratios of load effect,combination of loads and the change of ratios of steel on the reliability are studied. |
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| Keywords: | optimization concrete-filled steel tube pure bending members reliability |
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