Permeability measurement method considering rock fracture internal geometrical characteristics
A technology of geometric characteristics and rock fractures, applied in the fields of permeability/surface area analysis, measurement devices, suspension and porous material analysis, etc., can solve data fluctuations, unclear effects of physical seepage, and incomplete conformity to the mathematical model of variation function and other issues to achieve the effect of simplifying the measurement process
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[0040] The technical solution in the embodiment of the present invention will be described in detail below in connection with the drawings of the present invention.
[0041] In the present embodiment, the crack gap is a regionalized variable, and a specific measurement process is discussed using a granite crack sample.
[0042] Step 1: Get the measurement sample, scan the upper and lower surface of the crack surface by the three-dimensional laser scanner, acquire the three-dimensional point cloud data, first pull the crack in the scanning process, and scan the positioning point after the positioning mark of the sample surface, then according to the The positioning point scans the upper and lower surfaces of the crack, so that the scanned crack upper and lower surface point cloud data is in the same coordinate system;
[0043] Then use the point cloud processing software to grind the point cloud data, then use the numerical processing software to calculate the distance E between ea...
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