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Method for simulating underwater permeating and scouring on rock

A simulation method, groundwater technology, applied in permeability/surface area analysis, suspension and porous material analysis, measurement devices, etc., can solve problems such as less involved, and achieve the effect of easy operation and simple simulation method

Inactive Publication Date: 2019-01-11
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few researches on the experimental device of rock physical and mechanical properties under groundwater infiltration and erosion.

Method used

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  • Method for simulating underwater permeating and scouring on rock
  • Method for simulating underwater permeating and scouring on rock
  • Method for simulating underwater permeating and scouring on rock

Examples

Experimental program
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no. 1 example

[0050] see figure 1 In this embodiment, a method 21 for simulating groundwater seepage and scouring of rocks is provided, which can easily simulate the situation of groundwater infiltration and scouring of rocks, and can facilitate the testing of physical properties of rocks under groundwater infiltration and scouring.

[0051] Among them, groundwater seepage and erosion rock simulation methods21 include:

[0052] S1, directing the groundwater to the rock so that the groundwater comes into contact with the rock.

[0053] In this embodiment, step S1 also includes step S11 and step S12;

[0054] S11, placing the rock in the first accommodating space.

[0055] S12, passing groundwater into the second accommodating space.

[0056] In this embodiment, the first accommodating space communicates with the second accommodating space, so that the rock placed in the first accommodating space can contact the groundwater in the second accommodating space.

[0057] Further, in this embo...

no. 2 example

[0070] see figure 2 , a test device 10 is provided in this embodiment, which is used for simulating groundwater seeping and scouring rocks and studying the physical and mechanical properties of rocks.

[0071] Wherein, the test device 10 includes a first accommodating portion 100 , a second accommodating portion 200 , a pressurizing device (not shown in the figure) and an agitating device 400 . The first housing part 100 is used to hold rocks, the second housing part 200 is used to hold groundwater, and the first housing part 100 and the second housing part 200 are connected so that the first housing part 100 The inside communicates with the inside of the second housing part 200 and makes rocks and groundwater contact. In addition, the pressurizing device is connected to the second housing part 200, and the pressurizing device is used to pressurize the groundwater inside the second housing part 200, so that the groundwater has hydraulic pressure relative to the rock and pene...

no. 3 example

[0086] see Figure 7 , this embodiment provides a method 22 for simulating groundwater penetration and erosion of rocks, which uses the test device 10 in the second embodiment.

[0087] Among them, groundwater seepage and erosion rock simulation methods22 include:

[0088] S101 , packing rocks into the first accommodation space 110 .

[0089] S102. Fill the groundwater in the second accommodating space 210 through a pressurizing device.

[0090] In this embodiment, step S102 includes step S1021.

[0091] S1021, the pressurizing device fills the groundwater into the second accommodating space 210 through the liquid inlet 221, and discharges the air inside the second accommodating space 210 through the liquid outlet 222, and makes the groundwater fill the second accommodating space 210 through the pressurizing device. Accommodating space 210 .

[0092] The second accommodating space 210 is filled with groundwater through the pressurizing device, so that the groundwater can f...

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Abstract

The invention discloses a method for simulating underwater permeating and scouring on a rock, and relates to the field of rock physical test. The invention provides an underwater permeating and scouring rock simulation method. The method is used for testing physical characteristics of the rock under the permeation and scouring of underwater. The method for simulating underwater permeating and scouring on the rock comprises the following steps: guiding the underwater to the rock so that the underwater contacts with the rock; applying pressure towards the rock on the underwater; and repeatedly impacting the underwater, thereby enabling the underwater to scour the rock. The method for simulating underwater permeating and scouring on the rock disclosed by the invention can simulate the statusof permeating and scouring the rock by the underwater, and can test the physical characteristics of the rock under the permeation and scouring of the underwater, and the operation is simple.

Description

technical field [0001] The invention relates to the field of petrophysical testing, in particular, to a method for simulating groundwater penetration and erosion of rocks. Background technique [0002] The physical and mechanical properties of rock are closely related to its groundwater environment. In the rock mass, the seepage of groundwater will have a significant impact on its physical and mechanical properties, especially the macro-scale runoff and piping. Because of the continuous dissolution of the mineral components in the rock and the erosion of the tiny mineral particles, it not only affects the physical properties of the rock. Mechanical properties also have a significant impact on the physical form of rocks (especially soft rocks). In actual geotechnical engineering, the existence of groundwater is almost inevitable. Therefore, in order to reasonably evaluate the safety of geotechnical engineering in the groundwater environment, it is necessary to deeply study ...

Claims

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Application Information

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IPC IPC(8): G01N15/08G01N3/56
CPCG01N3/567G01N15/082
Inventor 杨凡杰周辉张传庆胡大伟卢景景李攀张王杰金韵哲
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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