Advanced monitoring device for tunnel excavation surrounding rock whole process deformation curve and implementation method thereof
A monitoring device and a technology for surrounding rock deformation, which are applied in the field of advanced monitoring devices for surrounding rock deformation curves in tunnel excavation, can solve the problems of not being able to reflect the internal deformation of surrounding rock, increase costs, and cannot monitor deformation, and achieve benefits for surrounding rock The effect of stabilizing discrimination and ensuring reliability and completeness
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[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0043] Such as Figure 1-12As shown, a device for monitoring the deformation curve of the surrounding rock in the whole process of tunnel excavation in advance and its implementation method, including surrounding rock 1, excavation tunnel 2, borehole 3, sealing body 301 outside the borehole, and grouting pipe 302 , steel pipe 4, steel pipe outer end sealing body 401, steel pipe optical fiber groove 402, steel pipe embedded optical fiber entry hole 403, steel pipe inner end plug 404, steel pipe embedded optical fiber 5, height difference meter 6, height difference meter optical fiber 601, height difference Measuring liquid pipe 602, height difference meter fixing cable 7.
[0044] Such as figure 1 , figure 2 and image 3 As shown, the borehole 3 is located in the top surro...
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