摘要
挠度测量是箱梁悬臂施工控制的一项重要内容,目的是为施工提供每一个箱梁阶段准确的立模标高,为保持桥梁线形和顺利合龙打下基础,但挠度测量的影响因素比较复杂。从挠度测量的方法、测控点的埋设、影响因素、外业采集的数据等方面进行了分析。
Deflection surveying is an important matter for cantilever construction controlling of box-beam, aiming at providing an accurate form＇laying elevation for the construction phase of each beam to ensure bridges line and smoothly joining. There are many complex factors in the process of deflection surveying. Deflection measurement methods,monitoring points setting,influence factor and collecting data are analyzed in this paper.
出处
《海洋测绘》
2007年第2期62-64,共3页
Hydrographic Surveying and Charting
关键词
连续箱梁
悬臂施工
几何水准测量
挠度测量
温差
continuous beam
cantilever construction
geometric standard measurement
deflection measurement
temperature difference
