桥梁静载试验挠度测量方法研究  

Research on Deflection Measurement Method of Bridge Static Load Test

作　　者：王德魁 Wang Dekui(Dalian Maritime and Logistics Development Services Centre,Dalian 116021,China)

机构地区：[1]大连市航运和物流发展服务中心,大连市116021

出　　处：《北方交通》2022年第9期15-18,共4页Northern Communications

摘　　要：介绍了现阶段桥梁挠度测量的几种常用方法及原理,包括全站仪测量法、百分表测量法、精密水准法、静力水准测量法、GPS测量法。并从测量精度、适用条件及测量速度等方面分析了不同测量方法的特点和适用范围。结合某钢筋混凝土连续T梁静载试验,采用不同方法进行挠度测量,并与理论计算值进行对比,分析和论证了几种挠度测量方法的适用性,为桥梁静载试验提供参考和借鉴。The principles of several common methods of bridge deflection measurement at the present stage are introduced,including total station measurement method,dial indicator measurement method,precision leveling method,static leveling measurement method and GPS measurement method.The characteristics and application scope of different measurement methods are analyzed from the aspects of measurement accuracy,applicable conditions and measurement speed and so on.In combination with the static load test of a reinforced concrete continuous T-beam,different methods are used to measure the deflection,and compared with the theoretical calculation value.The applicability of several deflection measurement methods is analyzed and demonstrated,so as to provide reference for the bridge static load test.

关 键 词：连续梁桥 静载试验 挠度测量方法 

分 类 号：U441.2[建筑科学—桥梁与隧道工程]