Technology for controlling deformation of slope rock mass

A control technology, slope technology, applied in image data processing, 3D modeling, instruments, etc., can solve the problem of not giving the slope rock mass, not giving the critical mining width of the three-dimensional deformation of the slope rock mass, not giving the Problems such as the calculation formula of slope stability coefficient, to achieve the effect of reducing slope deformation and improving slope stability

Inactive Publication Date: 2011-09-21
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0003]But they also have their shortcomings, for example: the critical mining width for the three-dimensional deformation of the slope rock mass is not given; The deformation rate of the rock bottom varies with the mining width; no specific formula for calculating the slope stability coefficient considering the three-dimensional deformation effect is given

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  • Technology for controlling deformation of slope rock mass
  • Technology for controlling deformation of slope rock mass
  • Technology for controlling deformation of slope rock mass

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Embodiment Construction

[0017] Below in combination with the accompanying drawings, further explanations will be given on how this technology can reduce the deformation of the slope and improve the stability of the slope.

[0018] The technology of the present invention adopts 3d-σ software to carry out three-dimensional elastic-plastic numerical simulation analysis, and the numerical model size of the slope is: width (along the direction of the slope) 4830m, inclined length 400m, and height 220m. The numerical simulation results are shown in the table below:

[0019] Table 1 Numerical simulation data along the x direction

[0020]

[0021]

[0022] Table 2 The ratio of the displacement value of the bottom of the trench in the control technology of local strip mining to the displacement value of the excavation width of 110m

[0023]

[0024] It can be seen from the data that when the excavation width of the local strip mining control technology is 10m, the deformation of the slope base is v...

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Abstract

The invention provides a technology for controlling deformation of a slope rock mass and solves the problem on the critical excavating width due to a three-dimensional slope effect generated by slope strip mining, a slope stability coefficient calculation formula taking the three-dimensional slope effect into consideration is provided, and thereby the slope deformation can be reduced and the stability of the slope is improved by a three-dimensional deformation control method and the aim of safely producing is achieved.

Description

technical field [0001] The invention relates to the field of geotechnical engineering, in particular to slope engineering, and in particular to a control technology for deformation of slope rock mass. Background technique [0002] At present, the existing and previous control technologies on slope rock mass deformation, such as the prediction of three-dimensional deformation and computer software simulation, have a good reference and promotion effect on the three-dimensional deformation formula of rock mass. Efforts have been made to make more accurate quantitative analysis of the three-dimensional deformation of rock mass, and many excellent technologies for slope rock mass deformation control have also been proposed. [0003] However, they also have their deficiencies, for example: the critical mining width for the three-dimensional deformation of the slope rock mass is not given; the deformation rate of the rock bottom is not given as the slope rock mass changes with the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/05
Inventor 孙世国冯少杰宋志飞张伟
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY
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