METHOD FOR MANUFACTURING ARTIFICIAL EXPERIMENTAL SAMPLE WITH IMITATING NATURAL ROCK

Disclosed are a preparation method of artificial experimental samples imitating natural rock samples, comprising steps: on-site sampling; sample scanning: scanning, by CT, the rock mass 5 sample and building a 3D model of the rock mass sample; supporting: shaping a tunnel model and providing a plurality of rock bolts; making hole and fissure mold: making a rock mass model configured for generating holes and fissures; 3D printing: transferring the 3D model to a 3D printer, and printing, by the 3D printer, an experimental sample of the rock mass sample with concrete or cement mortar: when the 3D printing the experimental sample reaches the 0 corresponding height and the position of a hole or fissure, placing the rock mass model on the unset concrete or cement mortar in the corresponding position, and continuing the 3D printing; the above making hole and fissure molds includes: making, based on the 3D structures of the holes and fissures in the 3D model, the rock mass model corresponding to the holes or fissures with soluble solid materials, and filling the rock mass model, which has a hollow structure, with 5 solvent. The present application can effectively optimize the accuracy of rock mass experiments.