Low-cost construction progress monitoring by mobile phone photogrammetry

手机摄影测量低成本施工进度监控

• 批准号: 542980-2019
• 负责人: Lichti, Derek
• 金额: $ 1.82万
• 依托单位: University of Calgary
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2019
• 资助国家: 加拿大
• 起止时间: 2019-01-01 至 2020-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=680856
• 关键词: Low; cost; construction; progress; monitoring

Progress monitoring and quality control are essential processes for large construction projects to ensure that tasks are completed on time and within the specified dimensional tolerances, and to allow timely action to be taken to remedy discrepancies between the plan and built. In Canada, current construction progress monitoring practices are mostly manual processes that are time-consuming, costly and error-prone. Moreover, their very nature allows only the collection of a limited amount of qualitative data. In order to identify the causes of delays and cost overruns, site supervisors must spend a considerable amount of time analyzing the collected data. This not only prevents timely identification of issues, but also distracts site supervisors from monitoring current construction activities, productivity and safety. This project will address the lack of an efficient and accurate construction progress-monitoring scheme in Canada. Specifically, it will develop new methodology to allow accurate quantification of installed pipework for plumbing and heating systems with mobile phone camera technology. Three-dimensional models will be automatically created from imagery captured with the phones (several will be tested) for comparison with the planned models. The industry partner for this project is MJS Mechanical, a professional mechanical contracting and service firm specializing in new building construction, building upgrades and facility services. MJS has committed to this project because they have identified accurate pipework quantification is a significant problem in their progress tracking system that can be addressed by this research.

进度监控和质量控制是大型建筑项目的重要过程，以确保任务按时完成，并在规定的尺寸公差范围内完成，并允许及时采取行动纠正计划和建造之间的差异。在加拿大，目前的施工进度监测实践大多是人工过程，耗时、昂贵且容易出错。此外，它们的性质只允许收集数量有限的定性数据。为了确定延迟和成本超支的原因，现场主管必须花费相当多的时间来分析收集到的数据。这不仅阻碍了问题的及时识别，而且还分散了现场主管对当前施工活动、生产力和安全的监控。该项目将解决加拿大缺乏有效和准确的施工进度监测方案的问题。具体而言，它将开发新的方法，允许使用移动电话摄像技术对管道和供暖系统安装的管道进行精确量化。三维模型将根据手机拍摄的图像自动创建（其中几个将进行测试），以便与计划中的模型进行比较。该项目的行业合作伙伴是MJS机械，一家专业从事新建筑施工，建筑升级和设施服务的专业机械承包和服务公司。MJS已经致力于这个项目，因为他们已经确定准确的管道量化是他们的进度跟踪系统中的一个重要问题，可以通过这项研究来解决。