RCC坝仓面碾压质量与进度的增强现实反馈方法  

Augmented reality feedback method for rolling quality and progress of RCC dam concrete placing area

作　　者：张社荣[1,2] 钱俊杰 赵东亮[3] 王超[1,2] 王枭华[1,2] ZHANG Sherong;QIAN Junjie;ZHAO Dongliang;WANG Chao;WANG Xiaohua(State Key Laboratory of Hydraulic Engineering Simulation and Safety,Tianjin University,Tianjin 300350,China;School of Architecture and Engineering,Tianjin University,Tianjin 300350,China;China Water Resources Beifang Investigation,Design and Research Co.Ltd.,Tianjin 300222,China)

机构地区：[1]天津大学水利工程仿真与安全国家重点试验室,天津300350 [2]天津大学建筑工程学院,天津300350 [3]中水北方勘测设计研究有限责任公司,天津300222

出　　处：《水力发电学报》2023年第6期92-103,共12页Journal of Hydroelectric Engineering

基　　金：华能集团总部科技项目(HNKJ21-H33);云南省重点研发计划项目(2018BA066)。

摘　　要：碾压混凝土(RCC)坝仓面碾压质量与进度等施工信息大多以报表和图片等传统方式反馈传递,不利于施工质量缺陷的及时发现和施工进度的总体把握。针对上述问题,本文基于Tsai两步标定法,提出了一种固定相机三维注册求解方法,实现了施工质量固定型增强现实反馈;结合混合注册,提出了仓面施工进度信息的移动型增强现实反馈表达方法。同时,施工质量信息与施工进度信息基于关系型数据库和建筑信息模型(BIM)进行相互关联,实现了施工信息互补增值。通过系统研发和工程应用检验,本文提出的坐标映射方法在施工区域实际配准最大偏差不超过0.5m,同时该模块响应平均时间为5.06s,满足现场使用精度和时效要求;基于移动增强现实的施工进度反馈模块,手机使用时平均帧率达29.55,帧率大于27时间占比96.17%,满足现场使用流畅度要求。本文基于增强现实(AR)所提出的方法为现场管理人员提供了多视角施工信息表达和反馈渠道。Construction information such as the rolling quality and progress of roller compacted concrete(RCC)dam surface is transmitted in feedback mostly in traditional ways such as reports and pictures,which is not conducive to timely detection of construction quality defects and overall grasp of construction progress.This paper presents a solution method of fixed camera three-dimensional registration based on the Tsai two-step calibration method to realize the fixed augmented reality(AR)feedback of construction quality.And a mobile AR feedback expression method is developed for concrete placing progress information by using hybrid registration.We use the relational database and building information modeling(BIM)to interrelate construction quality information and construction progress information,so that a complementary added value of construction information is achieved.Through system development and engineering application,we show this coordinate mapping method has an error of no more than 0.5 m in the placing area and an average response time of 5.06 s,meeting the requirement of field construction.The construction progress feedback module based on mobile AR has an average frame rate of 29.55 for mobile phone use,and 96.17%of the time for the frame rate greater than 27,meeting the fluency requirement of field construction.Thus,our AR-based method provides on-site managers with multi-view construction information expression and feedback channels.

关 键 词：碾压混凝土坝 增强现实 三维注册 施工信息增值 施工信息反馈 

分 类 号：TV512[水利工程—水利水电工程] TP315[自动化与计算机技术—计算机软件与理论] TV642[自动化与计算机技术—计算机科学与技术]