摘要
公铁两用桥中公路和铁路共用同一桥位,其载荷大、跨度大、受力复杂,要保证桥梁安全运行需对桥体变形进行监测及预报。本文以某大型公铁两用桥为例对变形监测基准网的布设、桥梁平面位移、桥面挠度、桥墩沉降、垂直度和伸缩缝宽度的监测方案进行了研究,可为其它公铁两用桥的变形监测工作提供借鉴。
The same bridge position is shared between the highway and the railway in large-scale high- way-railway bridge. The load is large, the span is large and the force is complicated. So, to ensure the safe operation of the bridge, it is necessary to monitor and forecast the deformation of the bridge. In this article, a large-scale highway-railway bridge is used as an example to study the layout of the deformation monitor- ing base network, the monitoring of the plane displacement of the bridge, the monitoring of the bridge de- flection, the monitoring of the bridge pier settlement, the verticality monitoring and the width measurement of the expansion joints. The scheme can provide reference for the deformation monitoring work of other highway-railway bridge.
出处
《辽宁省交通高等专科学校学报》
2017年第2期1-4,共4页
Journal of Liaoning Provincial College of Communications
基金
2015年度黄河水利职业技术学院校内课题(2015KXJS007)
关键词
公路
铁路
公铁两用桥
变形监测
方案
highway, railway, highway-railway bridge, deformation monitoring, scheme
作者简介
李洪超（1985-），男，河南永城人，助教。研究方向：卫星重力学、海平面变化及工程测量等。
