Method for Determination of Anisotropic Elastic Modulus of Schist
A technology of elastic modulus and anisotropy, which is applied in the field of measuring the anisotropic elastic modulus of schist, can solve the problems of insufficient engineering support, collapse, etc., and achieve the effect of reducing surrounding rock damage and excavation disturbance
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[0015] The method for determining the anisotropic elastic modulus of schist in this embodiment is characterized in that the steps are as follows:
[0016] a. Since the schist is extremely vulnerable to damage during the sampling process, the damaged rock sample is used for the test, and the measured test data cannot reflect the strength and deformation characteristics of the original rock. Therefore, this embodiment adopts non-destructive sampling technology to reduce sampling damage , the specific steps include, a1, such as figure 1 As shown, a 3m×3m (section size) exploration hole 1 is excavated at the schist site, and its section is obliquely intersected with the schist; The schist cuboid 3 arranged in the axial direction of the exploration hole 1, the length of the schist cuboid in the axial direction of the exploration hole 1 is 6m, and the side length on the section of the exploration hole 1 is not less than 1.5m; At the central part of the section of the schist cuboid ...
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