Volume force gradient loading method based on 3D (Three Dimensional) printing technology
A 3D printing, gradient loading technology, applied in the field of geotechnical engineering mechanics experiments, can solve the problems of damaged specimens, uneven body force loading, inability to apply large-volume specimens, etc., to reduce costs, facilitate operation, avoid The effect of uneven loading of body force
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[0024] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0025] The preparation method of test piece of the present invention is as follows steps:
[0026] (1) According to the actual geotechnical engineering, calculate the magnitude of the ground stress in different structural planes in the actual geotechnical engineering, reduce the geotechnical pattern in equal proportions, simulate the magnetic field strength through numerical simulation software such as ANSYS, and then calculate the structural plane The quality of the magnetic material at the place, construct the three-dimensional digital model of the test piece to be prepared, and input the three-dimensional digital model into the 3D printer.
[0027] (2) Incorporate magnetic substances of equal mass into 3D printing materials in advance. In order to avoid uneven volume deposition caused by a large difference in material density, the 3D print...
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