Rock mass mesoscopic fracture testing method based on three-dimensional digital speckles
A three-dimensional digital, testing method technology, applied in measurement devices, suspension and porous material analysis, instruments, etc., can solve the problems of poor extraction of small cracks, low detection efficiency, high observation cost, and achieve high accuracy of test results. , the test results are intuitive, the effect of high measurement accuracy
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[0060] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0061] The present invention provides a method for testing rock mesoscopic cracks based on three-dimensional digital speckle. The testing system used is as follows: figure 1 As shown, it includes a bulk physical model 1 and a three-dimensional digital speckle test device, wherein: the bulk physical model 1 is a similar material model built with river sand as the aggregate and gypsum and talcum powder as the cementing material. Spray ink to form speckle spots; the three-dimension...
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Abstract
Description
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Application Information
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