摘要
为了探究大跨度单索面悬索桥异形主塔的受力变形机理与施工控制成果,本研究以南宁英华大桥为背景,采用数值计算与现场监测的方法对其异形浮吊施工的主塔进行了研究。结果表明:在20℃设计基准温度条件的成桥永久荷载作用下,其稳定性和受力均满足相关规范要求。经过现场实测可知:主塔施工过程中,线形良好,合龙精度满足规范要求。
In order to explore the mechanical deformation mechanism and construction control results of the special-shaped main tower of long-span single-cable plane suspension bridge,this study takes Nanning Yinghua bridge as the research background,and adopts the method of numerical calculation and field monitoring to study the main tower of the special-shaped suspension construction.The results show that the stability and force of the bridge can meet the requirements of the relevant specifications under the condition of 20℃design reference temperature.After field measurement:the main tower construction process,linear shape is good,closing accuracy meets the specification requirements.
出处
《建筑技术开发》
2024年第1期33-35,共3页
Building Technology Development
关键词
大跨度
单索面地锚式
悬索桥
异形主塔
large span
single cable surface anchor type
suspension bridge
irregular main tower
