桥梁挠度检测实验系统设计  

Design of experimental system for bridge deflection detection

作　　者：李星星[1] 梁宗保[1] 席源江 黄居华 LI Xingxing;LIANG Zongbao;XI Yuanjiang;HUANG Juhua(School of Information Science and Engineering, Chongqing Jiaotong University, Chongqing 400074, China)

机构地区：[1]重庆交通大学信息科学与工程学院

出　　处：《实验技术与管理》2019年第5期98-100,110,共4页Experimental Technology and Management

基　　金：重庆市高校创新团队建设计划项目(CXTDG201602013);山区桥梁与隧道工程国家重点实验室培育基地课题(CQSLBF-Y17-2)

摘　　要：设计了基于激光投射式位移监测方法的桥梁挠度检测实验系统,介绍了该系统的基本原理和光斑中心位移算法。该系统由激光发射模块、激光接收模块、图像采集与处理模块、无线传输模块以及数据显示模块等组成。实验测试表明,该系统可以实现对桥梁模型竖向挠度的检测,能够满足实验教学的需要。基于该实验系统可以开发多项开放式、创新性实验项目,有助于学生对结构健康监测技术的理解,提高学生的创新思维和实践能力。The experimental system of the bridge deflection detection based on laser projection displacement monitoring method is designed, and the basic principle of the system and the algorithm of spot center displacement are introduced. This system consists of the laser transmitting module, laser receiving module, image acquisition and processing module, wireless transmission module and data display module. The experimental results show that the system can detect the vertical deflection of bridge model and meet the needs of experimental teaching. Based on this experimental system, many open and innovative experimental projects can be developed, which can help students to understand the technology of structural health monitoring and improve their innovative thinking and practical ability.

关 键 词：挠度检测 实验系统 激光投射 

分 类 号：U446[建筑科学—桥梁与隧道工程] G484[交通运输工程—道路与铁道工程]