Simulation device for underholing blasting of deep-buried roadway

The utility model discloses a simulation device for cutting blasting of a deep-buried roadway in the technical field of experimental equipment. The simulation device comprises a biaxial loading unit and a rock mass simulation test piece arranged in the biaxial loading unit, the rock mass simulation test piece comprises a forming base, a mold, a first electrode, a second electrode, a connecting part and a fixed cross beam, and the biaxial loading unit comprises a biaxial loader and a controller; according to the utility model, a small-size physical model can be used for simulating a high-stress roadway slotting blasting process, and crack propagation and strain field evolution in the blasting process can be observed; the lumpiness distribution and the cavity forming effect of the exploded fragments can be evaluated and analyzed; real and accurate test data are obtained through corresponding measuring instruments and monitoring equipment, and a basis is provided for design and optimization of on-site blasting h