独柱墩直线梁与曲线梁抗倾覆稳定性对比分析
|
摘要
对独柱墩桥梁横向失稳倾覆机理进行分析,综述目前国内外规范针对桥梁上部结构抗倾覆稳定性计算的有关规定。结合某高架桥工程,选取桥梁位于直线段和曲线段的3跨1联(3×30 m),分别对支座反力、支座底部混凝土强度和桥梁抗倾覆稳定系数进行验算,并对计算结果进行对比分析,所得结论对桥梁独柱墩设计具有一定的参考价值。
This paper analyzes overturning mechanism due to lateral instability of single-column pier bridges and summarizes the relevant provisions of current domestic and foreign specifications for calculation of anti-overturning stability of upper structures of bridges.In combination with some viaduct project,the paper selects 3 spans and 1 connection(3 × 30m) at straight and camber segments of the viaduct and conducts checking calculation for support reaction,bottom concrete strength of support and anti overturning stability coefficient of the viaduct,respectively,and performs comparative analysis for results of calculation.The drawn conclusions provide a certain reference values for design of single-column pier of bridges.
This paper analyzes overturning mechanism due to lateral instability of single-column pier bridges and summarizes the relevant provisions of current domestic and foreign specifications for calculation of anti-overturning stability of upper structures of bridges.In combination with some viaduct project,the paper selects 3 spans and 1 connection(3 × 30m) at straight and camber segments of the viaduct and conducts checking calculation for support reaction,bottom concrete strength of support and anti overturning stability coefficient of the viaduct,respectively,and performs comparative analysis for results of calculation.The drawn conclusions provide a certain reference values for design of single-column pier of bridges.
引文
[1]中交公路规划设计院.JTG D60—2004公路桥涵设计通用规范[S].北京:人民交通出版社,2004.
[2]交通部第一公路工程总公司.JTJ 041—2000公路桥涵施工技术规范[S].北京:人民交通出版社,2000.
[3]梁峰.三跨独柱连续梁桥抗倾覆能力研究[J].公路,2009,10(10):40-43.
[4]武宏晓.连续独柱墩桥梁抗倾覆安全评价及加固设计方案[J].城市道桥与防洪,2010(4):88-90.
[5]黄国勇,兰长青.墩梁固结独柱墩桥梁抗倾覆分析及加固设计方法[J].公路交通科技:应用技术版,2011(12):23-25.
[6]袁摄桢,戴公连,吴建武.单柱宽幅连续梁桥横向倾覆稳定性探讨[J].中外建筑,2008(7):154-157.
[7]高怀志,王君杰.桥梁检测和状态评估研究与应用[J].世界地震工程,2000(2):57-64.
[8]李兆霞,李爱群.大跨桥梁结构以健康监测和状态评估为目标的有限元模拟[J].东南大学学报,2003,33(5):562-572.
[2]交通部第一公路工程总公司.JTJ 041—2000公路桥涵施工技术规范[S].北京:人民交通出版社,2000.
[3]梁峰.三跨独柱连续梁桥抗倾覆能力研究[J].公路,2009,10(10):40-43.
[4]武宏晓.连续独柱墩桥梁抗倾覆安全评价及加固设计方案[J].城市道桥与防洪,2010(4):88-90.
[5]黄国勇,兰长青.墩梁固结独柱墩桥梁抗倾覆分析及加固设计方法[J].公路交通科技:应用技术版,2011(12):23-25.
[6]袁摄桢,戴公连,吴建武.单柱宽幅连续梁桥横向倾覆稳定性探讨[J].中外建筑,2008(7):154-157.
[7]高怀志,王君杰.桥梁检测和状态评估研究与应用[J].世界地震工程,2000(2):57-64.
[8]李兆霞,李爱群.大跨桥梁结构以健康监测和状态评估为目标的有限元模拟[J].东南大学学报,2003,33(5):562-572.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心