Device for testing durability of water pressure resistant grouted rock

Abstract

The invention discloses a device for testing the durability of a water pressure resistant grouted rock, which comprises a pressure chamber, a control cabinet, heating equipment, pressurizing equipment, measuring equipment and accessory equipment, wherein the heating equipment can supply a stable heat source for the pressure chamber; the pressurizing equipment can provide confining pressure and osmotic pressure for the pressure chamber; the pressure chamber can apply an axial pressure by means of a universal test, is corrosion resistant and can realize annular and vertical penetration tests of three kinds of standard samples of different dimensions at different temperatures and pressures; the measuring equipment can realize accurate measurement of temperature, pressure and flow rate; and the control cabinet can realize the accurate control of pressure and temperature. The device can be used for indoor researches on the durability of tunnel water pressure resistant grouted rock or dam impervious curtain in an environment of high-water-pressure and corrosive environment, and at the same time, realizes the researches on the change rule of the permeability of a rock sample under the coupled actions of a temperature field, a seepage field, a stress field and a chemical field.

Description

technical field [0001] The invention belongs to the field of tunnels and underground engineering, and relates to an indoor test device for grouting rock mass against water pressure. Background technique [0002] At present, there is no relevant test device in the field of durability analysis of grouting rock mass against hydraulic pressure. Products similar to the present invention mainly include various triaxial test devices, which are mainly used for conventional triaxial tests, rheological tests or related dynamic tests of soil samples or rock samples. The confining pressure application methods of such test devices are generally hydraulic, piston or servo loading systems, such as the triaxial rock tunnel rheological tester of China University of Mining and Technology (patent number: CN1087719A), the dual-piston multi-function of Tsinghua University Triaxial pressure chamber (patent number: CN1034806A), rock double linkage triaxial rheometer (patent number: CN101135622A) ...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of water pressure-resistant grouting rock mass durability test device, which can solve the durability problem of indoor research on tunnel grouting rock mass or dam anti-seepage curtain under high water pressure and erosive environment, At the same time, it can simultaneously simulate the complex field environment of rocks in nature—temperature field, seepage field, stress field, and chemical field in the room, and study the long-term change law of the permeability of fractured rock samples under the coupling effect of the four fields.

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