A loading device for simulating the stress state of deep rock mass

Abstract

The invention relates to a loading device for simulating the stress state of deep rock mass. The loading device comprises a bearing frame, flexible capsules, conduits, an explosive load simulating generator and an excavation simulation tool, wherein the bearing frame is provided with a cuboid cavity, a rock mass test piece is fixed in the cavity, the flexible capsules are arranged between each side face of the rock mass test piece and the wall, opposite to the side face, of the cavity, each flexible capsule is provided with at least one conduit, and high-pressure liquid enters the flexible capsules through the conduits to make the rock mass test piece loaded, so that simulated high ground stress is generated on the rock mass test piece; the explosive load simulating generator is arranged on the outer side of one wall of the cavity, a first operation hole is formed in one vertical wall of the cavity, and the corresponding position of the capsule corresponding to the vertical wall of the cavity is provided with a second operation hole penetrating through the capsule in the thickness direction. The loading device has the advantage that due to the fact that the test piece is loaded by means of the flexible capsules, stress can be applied to the test piece stably and evenly, and the high ground stress state of deep rock mass can be well simulated.

Description

technical field [0001] The invention relates to a simulation device of a stressed state, in particular to a loading device for simulating a deep rock mass stressed state. Background technique [0002] At present, my country's transportation, water conservancy and hydropower, energy, mines, and military protection all have problems involving deep underground engineering, and deep rock mass exists in a high-stress environment. The risk of disasters such as partition rupture, large deformation, rockburst, and engineering earthquake occurs. Therefore, in order to prevent the occurrence of the above-mentioned disasters, relevant scholars and experts at home and abroad are conducting in-depth research on deep rock mass engineering and simulating the stress state of deep rock mass. However, the current simulation is limited to the simulation of high ground stress, or the simulation of high ground stress and excavation disturbance, and there is no simulation device that can fully re...

AI Technical Summary

Problems solved by technology

However, the current simulation is limited to the simulation of high ground stress, or the simulation of high ground stress and excavation disturbance, and there is no simulation device that can fully realize high ground stress, excavation disturbance and explosion disturbance (one high and two disturbances)

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