基于激光点云的隧道断面连续提取与形变分析方法
发布时间:2019-07-30 12:40
【摘要】:地铁施工、运营阶段的监控量测,可有效保障隧道结构的稳定与周围环境的安全。现有的收敛计、全站仪等变形监测手段,虽然可以得到高精度的观测数据,但获取的监测点位过于稀疏,难以全面反映隧道整体的形变特征。本文将三维激光扫描技术用于地铁隧道形变监测,提出了基于激光点云的隧道断面连续提取与形变分析方法,并对提取的两期断面进行了形变分析,试验结果表明该方法能够更直观地表现隧道整体变形,研究成果可为隧道形变动态监测提供借鉴。
[Abstract]:The monitoring and measurement of subway construction and operation stage can effectively ensure the stability of tunnel structure and the safety of the surrounding environment. Although the existing deformation monitoring methods, such as convergence meter and total station, can obtain high precision observation data, the monitoring points obtained are too sparse to reflect the deformation characteristics of the tunnel in an all-round way. In this paper, three-dimensional laser scanning technology is applied to deformation monitoring of subway tunnel, and a continuous extraction and deformation analysis method of tunnel section based on laser point cloud is proposed, and the deformation analysis of the two extracted sections is carried out. the experimental results show that this method can more intuitively express the overall deformation of tunnel, and the research results can be used for reference for dynamic monitoring of tunnel deformation.
【作者单位】: 河南理工大学矿山空间信息技术国家测绘地理信息局重点实验室;河南省遥感测绘院;国家测绘产品质量检验测试中心;
【基金】:河南省高校创新团队支持计划(14IRTSTHN026) 国家973计划(2009CB226107) 河南省创新型科研团队支持计划~~
【分类号】:U456
[Abstract]:The monitoring and measurement of subway construction and operation stage can effectively ensure the stability of tunnel structure and the safety of the surrounding environment. Although the existing deformation monitoring methods, such as convergence meter and total station, can obtain high precision observation data, the monitoring points obtained are too sparse to reflect the deformation characteristics of the tunnel in an all-round way. In this paper, three-dimensional laser scanning technology is applied to deformation monitoring of subway tunnel, and a continuous extraction and deformation analysis method of tunnel section based on laser point cloud is proposed, and the deformation analysis of the two extracted sections is carried out. the experimental results show that this method can more intuitively express the overall deformation of tunnel, and the research results can be used for reference for dynamic monitoring of tunnel deformation.
【作者单位】: 河南理工大学矿山空间信息技术国家测绘地理信息局重点实验室;河南省遥感测绘院;国家测绘产品质量检验测试中心;
【基金】:河南省高校创新团队支持计划(14IRTSTHN026) 国家973计划(2009CB226107) 河南省创新型科研团队支持计划~~
【分类号】:U456
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