Material flowing deformation disturbed effect testing system and testing method thereof

An experimental system and effect technology, applied in the directions of flow characteristics, analyzing materials, and testing the strength of materials using a single impact force, can solve the problems of load fluctuation, expensive equipment, and small expansion multiples, and achieve stable loading, simple structure, The effect of large transmission ratio

Inactive Publication Date: 2007-04-18
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology

Especially under the condition of deep mining, the static load of the engineering rock mass is quite large, and the rock mass in a certain range near the cavern is already at or close to the limit state of strength. At this time, the rheological characteristics of the rock will have a considerable effect on the above random disturbance Sensitive, and the current experimental device can not carry out experimental research on the characteristics of the rock subjected to the disturbance load in the static rheological state
[0004] As far as rock rheological experiments are concerned, some of the current rheological test devices are hydraulic servo test devices, but since the rheological test itself is a long-term working environment, the hydraulic system will be unstable and the pressure will drop under long-term loading. At this time, manual continuous pressur...

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  • Material flowing deformation disturbed effect testing system and testing method thereof
  • Material flowing deformation disturbed effect testing system and testing method thereof
  • Material flowing deformation disturbed effect testing system and testing method thereof

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Embodiment Construction

[0032] The preferred embodiment of the material rheological disturbance effect experimental system of the present invention is shown in Fig. 1, Fig. 2, Fig. 3, comprises frame 8, test bench 13, is provided with constant loading system on frame 8, described constant The loading system can apply a constant load to the test piece 18 on the test bench 13, and the described constant loading system includes a loading device, an expansion device and a force transmission connecting rod 6, and the expansion device is arranged on the frame 8, and the The loading device applies a constant load to the test piece 18 through the expansion device and the force transmission connecting rod 6 .

[0033] The loading device includes a gravity loading weight 3, and the expanding force device includes a crankshaft 7, and an eccentric wheel or a lever or a pulley or a gear expanding force can also be used.

[0034] Specifically, the main frame of the pressure experiment system is composed of the bas...

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Abstract

The invention discloses material fluid deformation disturbance effect experimental system and method. It includes dead load loading system realized by loading system, crankshaft force enlarging device, and force transmission connecting rod, disturbance loading system realized by impact and blasting disturbance loading devices, confining pressure loading system realized by tri-axial pressure tank includes closed box set ring capsule. The material fluid deformation disturbance effect experimental system can realize uniaxial and tri-axial fluid deformation experiences, uniaxial and tri-axial fluid deformation disturbance experiments for the testing specimen. It has the advantages of simple structure, low cost, precise testing, suiting for various materials testing specimen to do fluid deformation disturbance experiment, especially for rock testing specimen.

Description

technical field [0001] The invention relates to a material rheology and disturbance effect experiment technology, in particular to a pressure experiment system for testing rock rheology parameters and an experiment method using the system. Background technique [0002] Rheological properties are one of the inherent properties of rocks. Experimental testing of rocks to obtain rheological parameters of rocks can serve engineering well. The current rock rheological experiments are all carried out under static load. [0003] However, a considerable part of rock mass in engineering practice, such as chamber rock, not only bears static loads, but also bears dynamic loads. These random disturbance loads include blasting, mining car vibrations, construction disturbances in adjacent roadways, and some random stress wave shocks. Especially under the condition of deep mining, the static load of the engineering rock mass is quite large, and the rock mass in a certain range near the ca...

Claims

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Application Information

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IPC IPC(8): G01N3/30G01N3/303G01N3/313G01N11/00
Inventor 高延法崔希海范庆忠
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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