A method, device and storage device for tunnel deformation monitoring based on point cloud profile
A technology of deformation monitoring and tunneling, which is applied in the direction of measuring devices and instruments, and can solve problems such as low work efficiency, low efficiency, and large data volume
Active Publication Date: 2020-10-02
WUHAN DESIGN & RES INST OF CHINA COALTECH & ENG GROUP
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[0002] Traditional tunnel deformation monitoring generally uses monitoring methods such as total stations and convergence meters. Although the accuracy is high, the disadvantage is that the work efficiency is low, and the deformation monitoring of the entire tunnel cannot be carried out in real time and quickly.
The first method selects profiles at a certain interval, which improves the efficiency of monitoring, but there are errors in the process of fitting the profiles; the second method compares the overall point cloud, which has a large amount of data and low efficiency
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[0029] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0030] The embodiment of the present invention provides a tunnel deformation monitoring method, device and storage device based on the point cloud profile. The laser scanner is used to obtain the point cloud data of different periods of the tunnel, and the data of each period is denoised and spliced. Registration is carried out, and then the section point cloud data is extracted according to a certain interval, and on this basis, the deformation monitoring of the tunnel is carried out by using the point-to-model method to obtain the deformation amount of the tunnel; a tunnel deformation monitoring device and storage system based on the point cloud section The device is used to implement a tunnel deformation monitoring me...
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The invention designs a tunnel deformation monitoring method based on a point cloud profile, a device and storage equipment. A laser scanner obtains point cloud data in different periods of a tunnel,the data in the different periods is de-noised, spliced and registered, profile point cloud data is extracted according to certain spacing, and on the basis, a point to model method is used to monitordeformation of the tunnel. A tunnel deformation monitoring device based on the point cloud profile and the storage equipment realize the tunnel deformation monitoring method. Less profile point clouddata is obtained by extraction, the data processing efficiency is improved, a fitting error caused by fitting of the point cloud profile is avoided, and the practicality and precision are high.
Description
technical field [0001] The invention relates to the field of geotechnical construction exploration, in particular to a tunnel deformation monitoring method, device and storage device based on a point cloud profile. Background technique [0002] Traditional tunnel deformation monitoring generally uses monitoring methods such as total stations and convergence meters. Although the accuracy is high, the disadvantage is that the work efficiency is low, and the deformation of the entire tunnel cannot be monitored in real time and quickly. With the continuous development of laser technology, laser precision is also continuously improved, making the use of laser scanners a new method in the field of higher precision deformation monitoring. At present, there are two types of methods for change detection using point cloud data. One method monitors changes by obtaining the central axis of the tunnel point cloud and fitting cross-section data, and the other method directly monitors chan...
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IPC IPC(8): G01B21/32
CPCG01B21/32
Inventor 徐杨青肖伦波
Owner WUHAN DESIGN & RES INST OF CHINA COALTECH & ENG GROUP