Test device and method for transverse isotropic permeability coefficient of layered rock mass
A transversely isotropic, permeability coefficient technology, applied in measurement devices, permeability/surface area analysis, suspension and porous material analysis, etc. It can accurately reflect the damage degree of rock mass and other problems, so as to achieve the effect of easy site use, simple operation and clear work flow.
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Embodiment 1
[0042] Embodiment 1, the testing device for transversely isotropic permeability coefficient of layered rock mass, refer to the attached figure 1 .
[0043] The layered rock mass transversely isotropic permeability coefficient testing device of the present invention comprises a pressure vessel 1 for storing liquid, a gas tank 2 for storing inert gas and a closed test container 3 for placing layered rock mass samples , water is stored in the pressure vessel 1, nitrogen is housed in the gas tank 2, an inlet channel 4 is provided on one side of the airtight test container 3, and the inlet channel 4 is connected with the pressure vessel 1 and the gas tank 2 respectively through a communication pipe, and the other side of the airtight test container 3 A horizontal outlet 5 is provided on one side, and a vertical outlet 6 is provided on the upper and lower sides of the airtight test container. The two vertical outlets 6 and the horizontal outlet 5 are connected to the recovery contai...
Embodiment 2
[0045] Embodiment 2, the test method of laterally isotropic permeability coefficient of layered rock mass, refer to the attached Figure 2-3 .
[0046] The test method of the present embodiment uses the test device of embodiment 1, and comprises the following steps:
[0047] 1. Assemble rock samples.
[0048] Put the rock sample 18 containing layered joints into the airtight test container 3, the size of the rock sample 18 is 100mm×50mm, the direction of the joint 19 of the rock sample 18 is perpendicular to the entrance direction of the airtight test container 3, and the airtight test container 3 is in the vertical Two inlets and outlets are respectively arranged in the direction and the horizontal direction, and are respectively controlled by the first and second control switches.
[0049] 2. Gas permeability test in the direction perpendicular to the joint.
[0050] 2.1) Open the sixth control switch, close the fifth control switch, and control the permeation pressure at...
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