A 3D printing technology-based observation equipment and method for rock mass fissure seepage microscopic characteristics

A 3D printing and rock mass fissure technology, which is applied in measuring devices, permeability/surface area analysis, suspension and porous material analysis, etc., can solve the problem of inability to observe seepage flow intuitively and analyze rock mass fissure seepage characteristics from a microscopic perspective and other problems, to achieve the effect of saving manpower and material resources, saving experimental water, and less turbulent flow

Active Publication Date: 2021-02-02
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing rock mass fissure seepage test equipment usually still uses rock specimens, which can only measure the permeability coefficient of the rock mass fissure network, and cannot directly observe the flow of seepage in the rock mass fissures, and cannot analyze the rock mass fissures from a microscopic perspective. seepage characteristics

Method used

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  • A 3D printing technology-based observation equipment and method for rock mass fissure seepage microscopic characteristics
  • A 3D printing technology-based observation equipment and method for rock mass fissure seepage microscopic characteristics
  • A 3D printing technology-based observation equipment and method for rock mass fissure seepage microscopic characteristics

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Embodiment Construction

[0057]An example of the present invention will be described in detail below with reference to the accompanying drawings:

[0058]1. Overall

[0059]The present invention is a rock mass fracture seepage micro-feature observation equipment based on 3D printing technology, which consists of a water supply system (1), a sample device (2), a control board (3), a flow meter (4), and a solenoid valve (5) , Pressure sensor (6), micro measurement system (7), computer system (8), pipeline system (9);

[0060]The water supply system (1) mainly includes a servo motor (1-1), a water pump (1-2), a water storage tank (1-3), a servo motor controller (1-4); a water storage tank (1-3) There are water outlet (1-3-1), water inlet (1-3-2) and exhaust port (1-3-3) respectively on the top;

[0061]The sample device (2) mainly includes a transparent resin sample (2-1), a bolt (2-2), a rubber gasket (2-3), a pressure measuring port (2-4), a deflector (2) -5), filter screen (2-6), sample support (2-7);

[0062]The control ...

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Abstract

The invention provides a rock mass fissure network seepage microscopic feature observation device based on 3D printing technology. Firstly, a sample required for the experiment is obtained by 3D printing using a transparent resin material. The servo motor controller, the flow meter and the solenoid valve are all connected with the control board through a circuit to form a servo loop. According to the reading of the flowmeter, the servo circuit controls the opening and closing of the corresponding solenoid valve by the control board, so that a flowmeter with a suitable range is selected to display the flow rate, and the data of the flowmeter is collected by the control board at the same time; when the flow rate shown by the flowmeter is not When the requirements are met, the control board sends a signal to the servo motor controller, and the servo motor controller controls the servo motor to change the speed of the pump, increase or decrease its water supply, so that the flow meets the experimental requirements. The control board automatically collects data such as pressure difference and flow rate during the experiment, and uses PIV particle imaging velocimetry and nuclear magnetic resonance technology to observe and record the microscopic characteristics of seepage movement in the rock mass fracture network.

Description

Technical field[0001]The invention relates to the field of rock mass fracture network seepage observation, in particular to a rock mass fracture seepage micro-feature observation equipment based on 3D printing technology.Background technique[0002]The seepage of rock mass fissures has a very important influence on geotechnical engineering, which is mainly manifested as the influence of seepage on the physical, chemical and mechanical properties of rock mass. Therefore, it is of great significance to observe the seepage in the fracture network of rock mass. The existing rock mass fracture seepage experiment equipment usually still uses rock specimens, which can only measure the permeability coefficient of the rock mass fracture network, cannot directly observe the flow of seepage in the rock mass fracture, and cannot analyze the rock mass fracture from a microscopic point of view Seepage characteristics.[0003]The present invention provides a rock mass fracture network seepage micro-fe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08B33Y10/00B33Y80/00
CPCB33Y10/00B33Y80/00G01N15/0826
Inventor 张燕
Owner WUHAN UNIV OF TECH
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