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Testing device and testing method for engineering mechanical properties of falling rock backfill

A technology of engineering mechanics and testing device, which is applied in the direction of using stable tension/pressure to test the strength of materials and preparation of samples for testing, etc. high precision effect

Inactive Publication Date: 2010-08-11
FUZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

Obviously, according to the characteristics of gangue grouting filling body, it is of great significance to study the engineering characteristics of its compression deformation and lateral deformation, and develop related testing devices for the control of mining subsidence, but so far, there have been no related reports

Method used

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  • Testing device and testing method for engineering mechanical properties of falling rock backfill
  • Testing device and testing method for engineering mechanical properties of falling rock backfill
  • Testing device and testing method for engineering mechanical properties of falling rock backfill

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Embodiment Construction

[0020] A testing device for the engineering mechanical properties of a grouting filling body, comprising a container 1, characterized in that: a drain port 2 is provided at the bottom or on the side of the container, and a filling slurry input pipe 3 is provided on the container, and the filling The slurry input pipe communicates with the slurry output device 4 .

[0021] The container is provided with a compacting cover plate 5, and the compacting cover plate is provided with a slurry input pipe installation port 6.

[0022] The slurry output device is provided with a pressure gauge 7 and a pressurizing valve 8, and the filling slurry input pipe is provided with a flow control valve 9.

[0023] A method for testing the engineering mechanical properties of a grouting filling body with gangue, characterized in that it is carried out according to the following steps:

[0024] 1) Process rock samples. In order to study the deformation characteristics of the grouted filling body ...

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Abstract

The invention relates to a testing device and a testing method for engineering mechanical properties of a falling rock backfill. The testing device of the invention comprises a container, and is characterized in that a water outlet is arranged at the bottom or side of the container; a filling slurry inlet pipe is arranged on the container; and the filling slurry inlet pipe is communicated with slurry outlet equipment. By using the testing device and the testing method for testing the engineering mechanical properties of the falling rock backfill, the compression deformation and lateral deformation properties of the falling rock backfill can be effectively studied, and the device has simple structure, small volume, high accuracy and wide practicality.

Description

technical field [0001] The invention relates to a test device and a test method for the engineering mechanical properties of a grouting filling body with gangue. Background technique [0002] The grouting body of rockfill dams with a similar structure to the rockfill grouting filling body has developed rapidly in the world in recent decades, and has gained valuable practical experience in engineering applications. Research is valued. In-depth research has been carried out in terms of equipment, size effects, collation and analysis of test data, strength and deformation characteristics, seepage and seepage stability, and many achievements with both theoretical significance and practical value have been obtained. But it is a pity that most of these studies are carried out in the highway, water conservancy and construction departments, and there are few studies in the mining field. Although there are many similarities between the gangue grouting filling body and the rock-fill...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N1/28
Inventor 李兴尚杨胜景林荣平蒋龙
Owner FUZHOU UNIVERSITY
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