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A device for measuring the volume of extruded ice during the freezing process of fissure water under the action of confining pressure

A technology for volume measurement and fissure water, which is applied in measuring devices, volume measuring instruments/methods, liquid/fluid solids measurement, etc. It can solve the problem that the determination of the extruded volume of fissure ice cannot be measured through experiments, the separation of fissure ice, and the lack of measurement. equipment, etc., to achieve the effect of convenient measurement, intuitive observation, and accurate measurement data

Active Publication Date: 2021-06-11
WUHAN UNIV OF SCI & TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The cracked ice extruded during the freezing process of the cracked water will be randomly distributed around the cracks, and the squeezed cracked ice cannot be separated, and the measurement process of the cracked ice volume needs to be carried out under corresponding low temperature conditions
At present, the determination of the extruded volume of crevice ice under freezing conditions cannot be measured experimentally, and there is a lack of corresponding measuring devices

Method used

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  • A device for measuring the volume of extruded ice during the freezing process of fissure water under the action of confining pressure
  • A device for measuring the volume of extruded ice during the freezing process of fissure water under the action of confining pressure
  • A device for measuring the volume of extruded ice during the freezing process of fissure water under the action of confining pressure

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Embodiment 1

[0024] Such as Figure 1~4 As shown, a device for measuring the volume of extruded ice during the freezing process of fissure water under the action of confining pressure, including a heat insulation box 1 with a rock sample 3 placed and a heat insulation top plate 2 covered on the heat insulation box 1, the rock test Both sides of the sample 3 are respectively provided with pressurizing devices, and a rectangular base 4 without a bottom is buckled above the rock crack 22 on the top surface of the rock sample 3, and the bottom edge of the rectangular base 4 is connected with the fixed side plate 5, and the fixed side plate 5 is bonded to the top surface of the rock sample 3, and a rubber sealing gasket 28 is arranged between the bottom surface of the fixed side plate 5 and the top surface of the rock sample 3, and the top surface of the rectangular base 4 is provided with an injection hole 23, and the rectangular base 4- The bottom of the side is provided with an exhaust hole ...

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Abstract

The invention discloses a device for measuring the volume of extruded ice in the freezing process of fissure water under the action of confining pressure. There is a bottomless rectangular base above the cracks in the rock, an injection hole is provided on the top of the rectangular base, an exhaust hole is provided at the bottom of one side of the rectangular base, an air inlet is provided at the top of the other opposite side of the rectangular base, and an air inlet is provided on the rectangular base. There are air pressure sensor and temperature sensor. The invention can accurately and real-time measure the volume of ice extruded by fissure water during the freezing process, and provide an experimental basis for calculating the frost-heaving force of fissures and the numerical calculation of the frost-heaving and cracking process of engineering fissure rock mass in cold regions, with high accuracy, strong practicability, and Good simulation and easy operation.

Description

technical field [0001] The invention relates to the technical field of low-temperature fissure rock mass freezing tests, and more specifically relates to a device for measuring the volume of extruded ice during the freezing process of fissure water under the action of confining pressure, which is suitable for real-time measurement of the volume of extruded ice when semi-open fissure water freezes at different freezing temperatures. dynamic measurement. Background technique [0002] In cold area rock mass engineering, the phenomenon of crack freeze-thaw expansion and crack ice hanging often occurs. The freeze-thaw damage and destruction of crack rock mass is mainly the result of crack expansion and evolution caused by the frost heave force generated by the phase transition of crack water and ice. It poses a great threat to the safety and stability of physical engineering. In order to study the evolution mechanism of crack expansion driven by frost heaving force, numerical si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G01F22/02
CPCG01F22/02G01N33/00
Inventor 黄诗冰刘艳章姚囡郭赟林蔡原田汪雄伟
Owner WUHAN UNIV OF SCI & TECH
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