Device and method for simulating influences of drying and watering cycle action generated by water level variation of fluctuating belt of reservoir on reservoir bank slope rock masses

A technology of dry-wet cycle and water-fluctuation zone, which is applied in the field of rock and soil mechanics experiments, can solve the problems of unfavorable research, unrealistic simulation conditions, weak quantitative research of rock surface, etc., and achieve strong operability and high accuracy of test values. Effect

Inactive Publication Date: 2015-12-30
CHINA THREE GORGES UNIV
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Problems solved by technology

[0002]The stability of a large number of bank slopes needs to understand the mechanism of water-rock interaction in the drawdown zone of the bank. The simulation conditions of the existing experimental equipment are not true, and the test data deviates It

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  • Device and method for simulating influences of drying and watering cycle action generated by water level variation of fluctuating belt of reservoir on reservoir bank slope rock masses
  • Device and method for simulating influences of drying and watering cycle action generated by water level variation of fluctuating belt of reservoir on reservoir bank slope rock masses
  • Device and method for simulating influences of drying and watering cycle action generated by water level variation of fluctuating belt of reservoir on reservoir bank slope rock masses

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Embodiment Construction

[0029] Such as figure 1 middle, An experimental device for simulating the mechanism of water-rock interaction under the state of reservoir water pressure includes a test box and a sample bracket arranged in the test box, One end of the screw rod 10 is mechanically connected with the motor 15 outside the test chamber, and the other end is extended into the test chamber. The wind impeller 11 is arranged on the screw rod 10. During the test, the motor 15 drives the screw rod 10 and the wind impeller 11 to rotate in an overall direction. A ventilation hole 27 is arranged on the side of the box, and the ventilation hole 27 communicates with a blower 26, and a water flow heater 25 is arranged in the test box.

[0030] Preferably, the screw rod 10 is perpendicular to the rock sample plate 13 and passes through the rock sample plate 13.

[0031] The test box is composed of a cover plate 1, a base 3, and a tester shell 2, forming a sealed box. The cover plate 1 and the base 3 are re...

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Abstract

The invention discloses a device and a method for simulating influences of drying and watering cycle action generated by water level variation of a fluctuating belt of a reservoir on reservoir bank slope rock masses. The device comprises a test chamber and a sample bracket arranged in the test chamber; one end of a screw rod is mechanically connected with a motor outside the test chamber, and the other end of the screw rod extends into the test chamber; the screw rod is provided with impellers; the upper end of the test chamber is provided with an admission pipe, an air release valve and a rock adding hole; the rock adding hole is provided with a top cover; a water outlet is formed in the lower end of the test chamber; a flow heater is arranged in the test chamber; a ventilation hole is formed in the side face of the test chamber; the ventilation hole is communicated with an air blower. The method comprises the step of repeatedly conducting a rock sample wet environment test and a rock sample dry environment test so as to simulate a test environment in the test chamber more truly. The device and the method disclosed by the invention that more accurate tests are realized by simulating different flow rates, water pressure states and different periods of drying and watering cycle, so that the controllability of test variables is higher, and follow-up related test study can be conveniently performed.

Description

Technical field [0001] The invention involves a device and method that affects the impact of the dry wet circulation effect caused by the lift of the water level of the water level of the decoration of the reservoir. technical background [0002] The stability problem of a large number of shore slope needs to be understood by the library bank to disappear water-rock-rock action mechanism. The existing experimental equipment simulation conditions are not real, the test data deviations are large, which is not conducive to follow-up research.The impact of the test device pays more attention to qualitative analysis and research, and the quantitative research on continuous changes in the surface of the rock is quite weak. Invention content [0003] The purpose of the present invention is to provide an experimental device and method that simulates the mechanism of water-rock-rock-to-rock-shore, and achieves more accurate experiments by simulating the speed, water pressure state, and d...

Claims

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Application Information

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IPC IPC(8): G01N33/24
Inventor 王瑞红冯世国杨雪徐晓徐春霖邓捷张志超李万文王宇轩向玄韦仁宽田梦思孙青潘雷夫黎承维
Owner CHINA THREE GORGES UNIV
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