A device for simulating deterioration of structural plane of dangerous rock mass under multi-field coupling action

By designing a simulation device for the deterioration of unstable rock mass structural surfaces under multi-field coupling, including normal force loading, shearing and corrosion devices, the problem of neglecting the influence of microorganisms and freeze-thaw cycles in existing devices is solved, and high-fidelity simulation and quantification of the deterioration process of unstable rock mass structural surfaces are achieved.

CN224553271UActive Publication Date: 2026-07-24CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Filing Date
2025-07-25
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing simulation devices for the deterioration of unstable rock mass structures fail to effectively consider the effects of microorganisms and freeze-thaw cycles, and cannot achieve automatic circulation and renewal of corrosive fluids. They also cannot accurately simulate the actual environmental conditions of unstable rock masses in reservoir areas, resulting in significant deviations between test data and actual on-site conditions.

Method used

A simulation device for the deterioration of unstable rock mass structural surfaces under multi-field coupling was designed, including a normal force loading device, a shearing device, a corrosion device, an electron microscope scanning device, and a data acquisition system. By applying normal force, shear force, and corrosion environment under multi-field coupling, the deterioration process of unstable rock mass is simulated.

Benefits of technology

It achieves high-fidelity simulation of the structural surface of dangerous rock mass, accurately quantifies the deterioration process under multi-field coupling, solves the shortcomings of existing devices, and provides an indoor testing method that is closer to the service environment of engineering rock mass.

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Abstract

The utility model provides a kind of dangerous rock mass structure surface deterioration simulation device under multi-field coupling, it is related to rock mechanics test technical field.The device includes: containing structure surface sample, shearing device, normal force loading device, corrosion device, electron microscope scanning device, data acquisition system.Shear device applies shear force to sample to make structure surface produce sliding;Normal force loading device applies normal force to structure surface;Corrosion device provides corrosion environment under multi-field coupling for sample;Electron microscope scanning device is used for scanning the apparent morphological change of rock;Data acquisition system monitors the data of structure surface sliding displacement, shear force, tension, water pressure, ion concentration in rock mass deterioration process.The utility model considers the influence of coupling effect of temperature, stress, water pressure, microorganism, chemical solution corrosion on rock mass structure surface, can simulate the deterioration of dangerous rock mass structure surface and the process of mechanical property degradation under multi-field coupling.
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