| 基于三维激光扫描的隧道变形特征分析 |
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| 引用本文： | 魏小佳,黄润秋,裴向军,韩祥森.基于三维激光扫描的隧道变形特征分析[J].水电能源科学,2015,33(2):111-114. |
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| 作者姓名： | 魏小佳 黄润秋 裴向军 韩祥森 |
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| 作者单位： | 成都理工大学 地质灾害防治与地质环境保护国家重点实验室， 四川 成都 610059 |
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| 基金项目： | 国土资源部公益性行业专项项目（201211055）；四川省科技创新团队项目（2011JTD012） |
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| 摘 要： | 鉴于地震条件下二古溪隧道坡体震裂损伤情况,再加上降雨和蓄水的耦合作用,导致坡体出现大变形,造成坡脚二古溪隧道挤压、剪切破坏的问题,基于三维激光扫描技术获取隧道点云影像特征,掌握了隧道全长变形情况,得到隧道变形量值。对比多次扫描得到的隧道变形数据,并分析其影响因素,结果表明,该研究为隧道的变形监测提供了一种方法和手段。
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| 关 键 词： | 隧道 损伤 三维激光扫描 挤压 对比 |
Analysis of Tunnel Deformation Characteristics Based on 3D Laser Scanning |
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| WEI Xiao-jia;HUANG Run-qiu;PEI Xiang-jun;HAN Xiang-sen.Analysis of Tunnel Deformation Characteristics Based on 3D Laser Scanning[J].International Journal Hydroelectric Energy,2015,33(2):111-114. |
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| Authors: | WEI Xiao-jia;HUANG Run-qiu;PEI Xiang-jun;HAN Xiang-sen |
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| Affiliation: | WEI Xiao-jia;HUANG Run-qiu;PEI Xiang-jun;HAN Xiang-sen;State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology; |
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| Abstract: | According to the shattered damage of slope for Erguxi tunnel under the seismic conditions, the coupling effect of rainfall and water leads to large deformation of slope. And the Erguxi tunnel at slope toe was squeezed and appeared shear failure. Based on 3D laser scanning technology, the image feature of tunnel point cloud is got and the overall length deformation of tunnel is acquired as well as the deformation value of tunnel is determined. The development of tunnel deformation is obtained through comparing multiple scan data. Furthermore, the influencing factors are analyzed. Therefore, the study provides a new method for tunnel deformation monitoring. |
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