期刊文献+

高寒地区大跨径变截面连续梁桥温度效应分析 被引量:1

Analysis on Temperature Effect of Large-Span Variable Cross-Section Continuous Beam Bridge in High and Cold Area
下载PDF
导出
摘要 针对高寒地区大跨径变截面连续梁桥温度效应问题,以黑龙江省依兰松花江公路大桥为例,采用有限元分析的方法,分别探讨了整体温度与温度梯度对桥梁结构竖向挠度的影响规律。结果表明,整体温度的温差与竖向挠度幅值呈正相关,且基本为线性关系;不管是整体温度还是温度梯度作用下,次边跨竖向挠度最大,中跨次之,边跨最小;与等截面连续梁桥不同,变截面连续梁桥在整体温度荷载作用下的竖向挠度不可忽略。 Aiming at the temperature effect problem of large - span variable cross - section continuous beam bridge in high and cold area, taking Songhua River Bridge in Yilan County of Heilongjiang Province as an example, the influence rules of bulk temperature and temperature gradient on vertical deflection of bridge structure are respectively discussed by adopting the finite element analysis method. The results show that, the temperature difference of bulk temperature is positively correlated with vertical deflection amplitude and basically shows linear relation. Whether under the influence of bulk temperature or temperature gradient, the vertical deflection of secondary side span is the largest, that of middle span is second, and that of side span is the smallest. Unlike uniform section continuous beam bridge, the vertical deflection of variable cross - section continuous beam bridge under the influence of bulk temperature load cannot be neglected.
作者 顾洪江
出处 《北方交通》 2017年第2期6-9,共4页 Northern Communications
关键词 桥梁工程 大跨径连续梁桥 高寒地区 温度效应 Bridge engineering Large - span continuous beam bridge High and cold area Temperatureeffect
  • 相关文献

参考文献3

二级参考文献23

共引文献74

同被引文献6

引证文献1

二级引证文献2

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部