A water-rock interaction device and method for simulating high water pressure loading and air-drying control
A high water pressure and water rock technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of no air drying device, no temperature control system, and unable to control the temperature, etc., to achieve low energy consumption, high cost performance, and easy maintenance Effect
Active Publication Date: 2017-11-17
CHINA THREE GORGES UNIV
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Problems solved by technology
[0003] (1) The air pressure control range of the instrument is within 1MPa, and the air pressure is low. It can only simulate the water-rock interaction test within 100m of water head pressure difference, and the test cannot meet the conditions of higher water head pressure difference.
[0004] (2) The equipment does not have an air-drying device and cannot simulate the air-drying process of rock samples
[0005] (3) The equipment does not have a temperature control system and cannot control the temperature during soaking
Method used
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[0025] Such as figure 1 As shown, a water-rock interaction device for simulating high water pressure loading and air-drying control includes a high-pressure gas pressurization system A, a high-pressure gas conversion high-water pressure system B, and a water-rock action device 16 .
[0026] The high-pressure gas pressurization system A includes a nitrogen gas source 4 , a gas drive gas booster 6 , a silent air compressor 1 , a three-stage gas filter 2 , and a freeze dryer 3 .
[0027] The silent air compressor 1 is connected to the three-stage gas filter 2, and the three-stage gas filter 2 is connected to the freeze dryer 3, and the freeze dryer 3 is connected to the working pressure chamber 29 of the air-driven gas supercharger 6; the silent air compressor 1 compresses the air , the gas is introduced into the working pressure chamber 29 through the three-stage gas filter 2 and the freeze dryer 3 .
[0028] The nitrogen gas source 4 is connected to the driving piston 28 of th...
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A water-rock interaction device for simulating high water pressure loading and air-drying control, including a high-pressure gas pressurization system, a high-pressure gas conversion high-water pressure system, and a water-rock interaction device. The water-rock effector is equipped with an air-drying control system and a water disturbance device. The present invention is a water-rock interaction device and method for simulating high water pressure loading and air-drying control, through a high-pressure gas conversion system, a high-intensity air pressure conversion high-water pressure system, and the water pressure in the air-drying control water-rock action device is converted into high pressure Water samples under high water pressure conditions, and water-rock mechanics tests under high water pressure conditions, provide a test platform for the degradation mechanism analysis of deep-buried long water diversion tunnel rock mass under long-term water-rock action in hydropower projects, and provide stability evaluation for hydropower projects and protection provide technical support.
Description
technical field [0001] The invention relates to the technical field of water-rock interaction test in hydropower engineering, in particular to a water-rock interaction device and method for simulating high water pressure loading and air-drying control. Background technique [0002] With the construction of a large number of hydropower projects and the development of hydropower resources in the Southwest, the monitoring and early warning of geological disasters, the medium and long-term forecast of geological disasters, and the actual requirements for the safety and stability evaluation of hydropower projects, the research on the influence of water on rock mass has put forward higher requirements. Not only does it require an accurate grasp of the degradation law of conventional physical and mechanical properties of rocks under water-rock action, such as compression, shear, and tensile properties, but it also requires a grasp of the change law of mechanical properties of water-...
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IPC IPC(8): G01N3/00G01N3/02
Inventor 邓华锋李春波王孔伟常德龙李建林胡安龙方景成
Owner CHINA THREE GORGES UNIV