Sample preparation mold of three-dimensional fractured rock mass test piece based on 3D printing technology
The sample preparation mold comprises a base, a column body and a crack plate, the base is of a hollow structure with the upper end open and the lower end closed, the column body is connected with thehollow part of the base in a matched mode, the crack plate is located in the column body, and the co...
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Format: | Patent |
Sprache: | chi ; eng |
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