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Gravitational field simulation device and method for geotechnical engineering model test

A model test and geotechnical engineering technology, applied in the direction of material magnetic variables, etc., can solve problems such as the inability to truly reflect the force of rock and soil, and achieve the effects of convenient testing, simple equipment and convenient operation.

Active Publication Date: 2012-12-26
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Technical problem: The purpose of the present invention is to provide a geotechnical engineering model test gravity field simulation device and method to solve the problem that the results obtained by the existing model test methods cannot truly reflect the force of the rock and soil mass

Method used

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  • Gravitational field simulation device and method for geotechnical engineering model test

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Embodiment 1

[0018] Embodiment 1: This geotechnical engineering model test gravity field simulation includes device and method, and described device comprises energized coil 1, nylon rod 2, epoxy plate 3, permanent magnet or superconductor 4; There is ring in the middle of energized coil 1 Oxygen plate 3, epoxy plate 3 is the frame of energized coil, is connected with permanent magnet or superconductor 4 at one end of energized coil 1, and the combination of energized coil 1 and permanent magnet or superconductor 4 has two, and two energized coils 1 Nylon rods 2 are connected between them, and a similar magnetically sensitive material 5 is placed in the geometric center of the space constructed by the two energized coils 1 and the nylon rods 2 .

[0019] The energized coil is composed of a pair of circular coils with the same axis, the same number of turns, and opposite winding directions; in the two energized coils, currents of equal size and opposite directions are passed; the coil radius...

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Abstract

The invention relates to a gravitational field simulation device and method for geotechnical engineering model test, belonging to the geotechnical engineering test device and method. According to the characteristic that magnetic force is applied to the materials with similar magneto-sensitive properties in the magnetic field, the magnetic field is used to simulate the gravitational field needed by the model test. A test device formed by combing a permanent magnet or superconductor with an energized coil is used to generate magnetic field intensity which is distributed linearly along the direction of the gravitational field, the minimum magnetic field intensity is enough to subject the materials with similar magneto-sensitive properties to saturation magnetization, and the magnetic field intensity which is distributed linearly can ensure that the magnetic force which has the same direction as the gravitational field and is adjustable in size can be applied to the materials with similar magneto-sensitive properties, thus the gravitational state needed by the model test can be obtained. The gravitational field simulation device and method have the advantages that: the stable magnetic field which is distributed linearly can be generated, the stable constant magnetic force can be applied to the materials with similar magneto-sensitive properties, and the gravitational field needed by the model sample made of the materials with similar magneto-sensitive properties can be simulated by the gravitational field. The gravitational field simulation device is simple, easy and convenient to test, and low in cost, and has high strong operability.

Description

technical field [0001] The invention relates to a geotechnical engineering test device and method, in particular to a geotechnical engineering model test gravity field simulation device and method. Background technique [0002] As the main method of geotechnical engineering research, model test can qualitatively or quantitatively reflect the mechanical characteristics of natural rock and soil related to geotechnical engineering and the interaction of underground engineering structures associated with it because it can more truly reflect the characteristics of geotechnical engineering. influence and has been widely used. The existing model test methods mainly include static loading method and centrifugal simulation method. Since the static loading method is only simulated under the conventional gravity field, it cannot effectively simulate the stress on the rock and soil mass, and requires the configuration of similar materials, and it is very difficult to find similar mater...

Claims

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Application Information

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IPC IPC(8): G01N27/80
Inventor 周国庆陈国舟李瑞林陶祥令
Owner CHINA UNIV OF MINING & TECH
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