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DESIGN METHOD OF TECHNICAL SPECIFICATION FOR CONCRETE-FILLED STEEL TUBULAR(DBJ 13-51-2003) AND RELIABILITY ANALYSIS
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摘要: 简要介绍了福建省工程建设地方标准《钢管混凝土结构技术规程》(DBJ 13-51-2003)中钢管混凝土构件承载力计算公式,并将该规程的计算结果与收集到的试验结果进行了比较,结果表明,计算结果和试验结果总体吻合较好。基于《建筑结构可靠度设计统一标准》(GB 50068-2001),应用结构可靠度分析的一次二阶矩法,对福建省工程建设地方标准中有关圆钢管混凝土和方、矩形钢管混凝土轴压、纯弯及压弯构件的承载力设计公式进行了可靠度分析,分析结果表明,规程中设计公式基本满足统一标准对塑性材料可靠度指标的要求。Abstract: The design formulae listed Technical Specification for Concrete-Filled Steel Tubular Structures( DBJ 13- 51 - 2003) of Fujian local standard are introduced in this paper. A comparison between the predicted results and test results is carried out. Good agreement is achieved. The second moment of first order method recommended in the National Design Standard of Building Structures( GB 50068- 2001) is applied to analyse the ability of design formula of axial compressing, pure bending and compression- bending members, these formulae are recommended in Fujian local standard. The analytical results indicate that the reliability indexes of the design formula satisfy the demand of the National Design Standard of Building Structures( GB 50068- 2001) for plastic material on the whole.
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ASCCS Seminar Report.Concrete Filled Steel Tubes--A Comparison ofInternational Codes and Practices.Innsbruck:1997 [2] JCJ 01-89 钢管混凝土结构设计与施工规程 [3] CECS 28∶90 钢管混凝土结构设计与施工规程 [4] DL/T 5085-1999 钢-混凝土组合结构设计规程 [5] GJB 4142-2000 战时军港抢修早强型组合结构技术规程 [6] DBJ 13-51-2003 钢管混凝土结构技术规程 [7] 陶忠,韩林海,杨华.钢管混凝土构件设计计算及可靠度分析.工业建筑,2000,30(6):1-6 [8] 韩林海.钢管混凝土结构--理论与实践.北京:科学出版社,2004 -
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