Method for calculating maximum movement distance of collapse in karst region, and application thereof

A technology of moving distance and calculation method, applied in the direction of calculation, data processing application, image data processing, etc., can solve the problems such as the inability to effectively avoid the risk of collapse, and the inability to accurately calculate the maximum moving distance of collapse, so as to overcome the high dependence on subjective experience. , parameter to obtain simple and fast effect

Inactive Publication Date: 2018-09-28
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Claims
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Problems solved by technology

However, it is impossible to accurately calculate the maximum movement distance of collapse in karst a

Method used

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  • Method for calculating maximum movement distance of collapse in karst region, and application thereof
  • Method for calculating maximum movement distance of collapse in karst region, and application thereof

Examples

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Effect test

Embodiment 1

[0028] A method for calculating the maximum movement distance of a collapse in a karst area, comprising the following steps:

[0029] a. Determine the basic data of the collapse body through surveying and mapping, including the position of the crack at the back end of the collapse, the position of the front end of the collapse, the average length of the collapse and the width of the collapse, and calculate the collapse area A, in m 2 , calculate the collapse volume V by formula 1, unit m 3 ;

[0030] V=0.146A 1.332 Formula 1;

[0031] b. Measure the elevation difference H, the unit is m, and determine the maximum movement distance L of the collapse according to the elevation difference H and the collapse volume V max , unit m;

[0032] When the collapse volume V>100000m 3 When , the maximum movement distance L of the collapse max Calculated by formula 2;

[0033] L max =H / 10 -0.109log V+0.17 Formula 2;

[0034] When the collapse volume V3 When , the maximum movement...

Embodiment 2

[0038] A method for calculating the maximum movement distance of a collapse in a karst area, comprising the following steps:

[0039] a. Determine the basic data of the collapse body through surveying and mapping, including the position of the crack at the back end of the collapse, the position of the front end of the collapse, the average length of the collapse and the width of the collapse, and calculate the collapse area A, in m 2 , calculate the collapse volume V by formula 1, unit m 3 ;

[0040] V=0.146A 1.332 Formula 1;

[0041] b. Measure the elevation difference H, the unit is m, and determine the maximum movement distance L of the collapse according to the elevation difference H and the collapse volume V max , unit m;

[0042] When the collapse volume V>100000m 3 When , the maximum movement distance L of the collapse max Calculated by formula 2;

[0043] L max =H / 10 -0.109log V+0.17 Formula 2;

[0044] When the collapse volume V3 When , the maximum movement...

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Abstract

The present invention discloses a method for calculating a maximum movement distance of collapse in a karst region. The method is characterized in comprising the following steps: a, calculating the position of the crack at the rear end of the collapse, the position of the front end of the collapse, the average length of the collapse and the width of the collapse, calculating the collapse area A, and calculating the collapse volume V through V=0.146A1.332; and b, determining the maximum movement distance Lmax of the collapse according to the elevation difference H and the collapse volume V, when the collapse volume V>100000m3, performing calculation through Lmax=H/10 0.109 log V+0.17, and when the collapse volume V<100000m3, performing calculation through Lmax=H/10 0.109 log V+0.22. According to the technical scheme of the present invention, the maximum movement distance of the collapse in the karst area can be accurately calculated, the hazards caused by collapse risks and collapses can be effectively avoided, and the effectiveness of disaster prevention is greatly improved.

Description

technical field [0001] The invention relates to the technical field of geological disaster prevention engineering, in particular to a method for calculating the maximum movement distance of a collapse in a karst area and its application. Background technique [0002] Collapse refers to the geological phenomenon that the rock and soil mass on a steep slope suddenly breaks away from the parent body under the action of gravity, collapses, rolls, and accumulates at the foot of the slope or in the valley. Collapse is one of the more common geological disasters in mountainous areas, especially in karst areas, where the terrain is steep, external weathering and dissolution are strong, rock mass fissures are developed, and human engineering activities such as underground mining are frequent, so collapse disasters are the most prominent. The occurrence of landslide disasters in karst areas is difficult to avoid, but the accurate prediction of the furthest movement distance of potenti...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06T17/05
CPCG06Q10/0635G06T17/05
Inventor 李为乐郭辉石元帅于明山杨帆陆会燕
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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