RQDt anisotropy solving method based on photogrammetry, RQD and optimal threshold
An optimal threshold and anisotropic technology, applied in 3D modeling, character and pattern recognition, design optimization/simulation, etc., can solve the problem of not getting anisotropic calculation formula, not reflecting RQD anisotropy, and not yet obtained Anisotropy solution method and other issues
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[0182] The present invention will be further described below with reference to the accompanying drawings.
[0183] refer to Figure 1 to Figure 5 , an RQD based on photogrammetry, RQD and optimal thresholding t An anisotropic solution method, including the following steps:
[0184] 1) Rapid acquisition of structural surface digital photogrammetry, the process is as follows:
[0185] 1.1: According to the scope and spatial position of the rock mass in the observation area, select the rock mass with well-developed surface joints and no obstacles as the photogrammetry area, and place the benchmark vertically on one side of the measurement area to calibrate the final generated 3D image the distance between any two points;
[0186] 1.2: Select an outcropping, relatively large area, and relatively smooth structural surface on the surface of the rock mass as a calibration point, use a compass to measure the inclination and inclination angle, and mark it, which is used to realize t...
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