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公路桥梁地基与基础的抗震可靠度分析
Analysis for anti-seismic reliability of highway bridge’s foundations
【摘要】 鉴于地基与基础在公路桥梁整体抗震可靠度中的重要作用 ,运用近似概率可靠度理论 ,结合现行规范 ,全面分析了“众值烈度”地震作用下各类地基与基础的抗震可靠度水平 ,并推荐出目标可靠度 ,建议了抗震设计的实用表达式及分项系数 ,供规范修订时参考
【Abstract】 For the important action of foundations of highway bridge systems in anti-seismic, in this paper, combining approximate probability reliability theory with specifications in effect, we analysed the anti-seismic grades for every kinds of structure’s foundations acted by“multi-value strength”earthquake, and so recommended objective reliability and suggested the approximate express formulas and partical coefficients in aseismic design We hope it will be consulted for revising specifications
【关键词】 抗震可靠度;
变异系数;
分项系数;
【Key words】 aseismic reliability; variation coefficient; partial coefficient;
【Key words】 aseismic reliability; variation coefficient; partial coefficient;
- 【文献出处】 哈尔滨建筑大学学报 ,JOURNAL OF HARBIN UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE , 编辑部邮箱 ,2000年01期
- 【分类号】U442.55
- 【被引频次】4
- 【下载频次】162