基于点云模型的桥梁构件形态变化趋势识别与分析

被引:10
作者
熊文 [1 ]
石颖 [1 ]
丁旭东 [2 ]
唐平波 [3 ]
叶见曙 [1 ]
机构
[1] 东南大学交通学院
[2] 安徽省交通控股集团有限公司
[3] 亚利桑那州立大学可持续工程与建筑环境学院
关键词
桥梁检测; 激光扫描; 点云模型; 几何形态; 变化趋势; 倾覆; 安全预警;
D O I
暂无
中图分类号
U441 [结构原理、结构力学];
学科分类号
摘要
为准确识别桥梁运营期间关键构件的几何形态及其变化趋势,提出一种基于点云模型的构件形态识别方法。该方法利用激光扫描与点云模型拼接技术,建立运营期间桥梁结构的精细化三维数字模型,通过对构件的时空变化趋势进行跟踪,进行桥梁结构力学现状的判断及发展趋势的预测。以7座独柱墩桥梁的倾覆评估为例,采用三维激光扫描得到的点云模型,识别各桥支座转角、主梁相对支座侧移及整体结构行为变化,并通过2年跟踪得到主梁侧向倾覆的趋势。识别结果与常规检测数据及外部荷载特征一致。该方法可实现桥梁构件几何形态的远距离识别和整体结构行为变化的快速跟踪,为桥梁的安全预警提供合理依据。
引用
收藏
页码:35 / 40
页数:6
相关论文
共 10 条
  • [1] Statistical Analysis of the Causes of Bridge Collapse in China. Fu Z,Ji B,Cheng M,et al. Forensic Engineering 2012:Gateway to a Safer Tomorrow,Proceedings of the Sixth Congress on Forensic Engineering . 2012
  • [2] A Sensor Network System for the Health Monitoring of the Parkview Bridge Deck. Abudayyeh O. RC-1536 . 2010
  • [3] Evaluation of Partially Overlapping 3D Point Cloud's Registration by using ICP variant and CloudCompare.[J] . Y. D. Rajendra,S. C. Mehrotra,K. V. Kale,R. R. Manza,R. K. Dhumal,A. D. Nagne,A. D. Vibhute. &nbspISPRS - International Archives of the Photogramme . 2014 (1)
  • [4] Automated measurement of highway retaining wall displacements using terrestrial laser scanners[J] . Pedram Oskouie,Burcin Becerik-Gerber,Lucio Soibelman. &nbspAutomation in Construction . 2015
  • [5] Computationally Efficient Change Analysis of Piece-Wise Cylindrical Building Elements for Proactive Project Control. Sai Kalasapudi V,Tang P,Turkan Y. Automation in Construction . 2017
  • [6] 沪通长江大桥健康监测系统设计
    闫志刚
    岳青
    施洲
    [J]. 桥梁建设, 2017, 47 (04) : 7 - 12
  • [7] 钢箱梁斜拉桥主梁翘梁事故分析及处理
    龙刚
    杨岳华
    朱伟庆
    刘永健
    [J]. 桥梁建设 , 2018, (04) : 113 - 117
  • [8] State-of-the-Art Review on the Causes and Mechanisms of Bridge Collapse[J] . Lu Deng,Wei Wang,Yang Yu. &nbspJournal of Performance of Constructed Facilities . 2015
  • [9] Automated Continuous Construction Progress Monitoring Using Multiple Workplace Real Time 3D Scan. Pu8ko Z,uman N,Rebolj D. Advanced Engineering Informatics . 2018
  • [10] FARO Laser Scanner Focus3DManual. FARO Technologies Inc. . 2013