A visual test system for simulating crack propagation in rock mass under the condition of multi-hole blasting

Abstract

The invention belongs to the field of geotechnical engineering tests, and specifically relates to a visual test system for simulating the expansion of rock mass cracks under the condition of porous position blasting, aiming at solving the problem that the simulation test cannot realize the visual detection of the crack expansion process of rock mass porous position blasting under high and low temperature conditions problems; the system includes a test chamber system, a temperature control system, a blast control system and a rotating bearing system. Bath liquid; the blasting control system includes a blasting master control device and a detonator detonating wire. The blasting master control device controls the multi-hole blasting at the set position of the test piece through the detonator detonating wire; the rotating bearing system is used to carry the test chamber system and drive it to rotate. The invention realizes the visual simulation detection of the crack expansion process after blasting.

Description

technical field [0001] The invention belongs to the field of geotechnical engineering tests, and in particular relates to a visual test system for simulating the expansion of rock mass cracks under the condition of multi-hole blasting. Background technique [0002] Model test technology is an important means to study large-scale tunnel engineering problems in rock and soil. It can qualitatively or quantitatively study the stress and deformation characteristics of surrounding rock and tunnel structures in tunnel engineering. The test results can better reflect the real engineering situation and have Wide applicability can provide reasonable parameters for the establishment of numerical calculation models and provide reliable comparison and reference for numerical simulation results; on-site blasting construction cannot visually observe the impact range of blasting on rock mass, and cannot quantify the blasting effect. At the same time, the construction environment is complex,...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the simulation test cannot realize the visual detection of the crack expansion process of rock mass porous blasting under high and low temperature conditions, the present invention provides a rock mass crack under the condition of simulated porous blasting The extended visual test system includes a high-energy accelerator CT detection system, a test chamber system, a temperature control system, a blast control system and a rotating bearing system. The high-energy accelerator CT detection system is used to scan and detect the crack propagation process in the test piece caused by blasting;

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