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A test system and test method for simulating the impact of collapsing rolling stones on walls

A test system and wall technology, which is applied in the field of test systems for simulating the impact of collapsing rocks on walls, can solve problems such as difficult installation and disassembly, bulky test equipment, single and invariable slope type, etc., to achieve convenient installation and disassembly, and test data Real and accurate, typical effects of simulated working conditions

Active Publication Date: 2021-04-27
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing rockfall and rolling rock simulation experiment device has single function, the slope angle cannot be changed, the slope type is single and unchangeable, and the slope height can only be adjusted to a limited extent. Moreover, the test device is heavy, difficult to install and disassemble, and has poor operability.

Method used

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  • A test system and test method for simulating the impact of collapsing rolling stones on walls
  • A test system and test method for simulating the impact of collapsing rolling stones on walls
  • A test system and test method for simulating the impact of collapsing rolling stones on walls

Examples

Experimental program
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Effect test

Embodiment 1

[0042] This embodiment provides a test system for simulating the impact of a collapsed rolling stone on a wall, such as Figure 1 to Figure 2 Shown:

[0043] Including main support 1a, auxiliary support 1b, rolling stone 4, rolling platform 2 and load-bearing wall 7, said rolling platform 2 includes inclined frame 14 and foldable plank 10, and one end of said inclined frame 14 is overlapped on main support 1a , the other vertically against the load-bearing wall 7, so that the inclined frame 14 forms a slope from high to low from one end overlapping the main support 1a to the end abutting the load-bearing wall 7, and the slope between the inclined frame 14 and the main support 1a The overlapping height is adjustable, and the bottom of the inclined frame 14 is supported by several sub-supports 1b. On the inclined frame 14, a number of foldable planks 10 are spliced ​​and laid, and on the foldable plank 10, there are rolling blocks for limiting the rolling direction of the rollin...

Embodiment 2

[0046] As an optimization of the above example, such as image 3 As shown, the inclined frame 14 includes two parallel steel rails, and several rail crossbeams 15 are erected between the two parallel steel rails, and the steel rail crossbeams 15 and the steel rails are perpendicular to each other. Such as Figure 4 As shown, the rail can be composed of several segments spliced ​​together, and each segment is provided with fixing bolt holes 16 and telescopic connectors at both ends, and the telescopic connectors are provided with butt bolt holes 17, and the adjacent segments Insert bolts to connect through fixing bolt holes 16 and docking bolt holes 17. The section overlapping with the main bracket 1a is provided with a rail hook 18, and is hung on the main bracket 1a through the rail hook 18. Such as Figure 5 As shown, the foldable wooden board 10 includes a front board 10a and a rear board 10b, and the front board 10a and the rear board 10b are connected by a hinge connect...

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Abstract

The invention relates to the technical field of research on collapse geological disasters, in particular to a test system and test method for simulating the impact of a collapsed rolling stone on a wall. The system includes main support, auxiliary support, rolling stones, rolling platform and load-bearing wall. The rolling platform includes inclined frame and foldable planks. One end of the inclined frame is lapped on the main support, and the other is perpendicular to the loaded wall. The height of the lap between the frame and the main frame can be adjusted, and the bottom of the inclined frame is supported by several sub-frames. A number of foldable planks are spliced ​​on the inclined frame, and rolling tracks are laid on the foldable planks to limit the rolling direction of rolling stones. , the rolling track extends from the top of the inclined frame to the loaded wall along the inclined frame, an impact sensor is arranged on the loaded wall, and an image recorder is arranged around the loaded wall and on the main support. The invention can adjust the slope angle, slope height and slope type of the simulated slope, and the installation and disassembly of the system are convenient and fast, and the simulated working conditions are typical and comprehensive.

Description

technical field [0001] The invention relates to the technical field of research on collapse geological disasters, in particular to a test system and test method for simulating the impact of a collapsed rolling stone on a wall. Background technique [0002] Collapse refers to the sudden falling movement of the rock and soil on the steep hillside under the action of gravity. It is one of the common geological disasters in mountainous areas. It occurs frequently, suddenly, and randomly. The trajectory is complex and difficult to prevent and control. It often brings great damage to the buildings in the affected area and endangers the safety of people's lives and property in mountainous areas. Provide a reliable theoretical basis for geological disaster risk assessment and prevention. [0003] At present, the research methods of collapse and rockfall mainly include theoretical analysis, numerical simulation, field test and model test. Among them, the physical model test can bet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/08
CPCG01M7/08
Inventor 范宣梅周礼鲜霄
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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