独柱墩曲线箱梁桥抗倾覆稳定性分析及计算方法研究  

Research on Stability Analysis and Calculation Method of Anti Overturning of Curved Box Girder Bridge with Single Column Pier

作　　者：董守兵 Dong Shoubing(Anhui Provincial Expressway Testing and Testing Research Center,Hefei,China)

机构地区：[1]安徽省高速公路试验检测科研中心有限公司,安徽合肥

出　　处：《科学技术创新》2023年第17期171-174,共4页Scientific and Technological Innovation

摘　　要：为探究独柱墩曲线箱梁桥抗倾覆稳定性,开展对其相关研究。通过选择建模方法、划分曲线箱梁网格,实现截面特性计算与稳定性分析。在此基础上,推导出稳定效应简化计算公式,对该公式适用性分析验证其应用可行性。再进一步推导,得出抗倾覆稳定性实用计算方法,并最终通过算例验证该计算方法的工程应用价值。In order to explore the anti overturning stability of curved box girder bridge with single column piers,relevant studies were carried out.By selecting modeling methods and dividing curved box girder grids,the calculation of section characteristics and stability analysis can be achieved.On this basis,a simplified calculation formula for stability effects is derived,and its applicability is analyzed to verify its application feasibility.Further derivation was conducted to obtain a practical calculation method for anti overturning stability,and the engineering application value of this calculation method was ultimately verified through examples.

关 键 词：独柱墩 计算 稳定性 抗倾覆 曲线箱梁桥 

分 类 号：U448.213[建筑科学—桥梁与隧道工程]