Multifunctional FRP intelligent anchor pole capable of realizing multi-point temperature compensation
A multi-functional, bolt technology, applied in the installation of bolts, the measurement of the change force of the optical properties of the material when it is stressed, the sheet pile wall and other directions, can solve the stress-strain situation of surrounding rock convergence deformation and stability instability Relevant patents and related literature and other issues, to achieve the effect of superior performance, simple and reliable principle, high test accuracy
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as Figure 1-5 As shown, a multi-functional FRP intelligent anchor with multi-point temperature compensation, including non-fused long gauge multi-grating sensor 1, fiber grating multi-point temperature compensation auxiliary sensor 2, FRP anchor main body 3, leading optical fiber 4 and soft plastic Casing 5;
[0027] The fusion-free long-gauge-length multi-grating sensor 1 and the fiber-optic grating multi-point temperature compensation auxiliary sensor 2 are packaged and implanted in the production process of the FRP anchor rod main body 3 to form an integrated multi-point temperature-compensated multifunctional FRP smart anchor rod;
[0028] The non-fusion long gauge multi-grating sensor 1 includes a plurality of long gauge fiber grating sensing units connected in series in sequence, and the long gauge fiber grating sensing uni...
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