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Phyllite artificial cut slope landslip early warning method and application

A kind of phyllite and artificial technology, applied in the field of phyllite artificial cutting and landslide early warning, to achieve strong applicability and improve the quality of landslide early warning

Inactive Publication Date: 2018-11-16
CHENGDU UNIVERSITY OF TECHNOLOGY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The existing technologies represented by the above-mentioned patent documents are mainly aimed at landslide early warning in red bed areas, and are not applicable in other areas, and these studies are only used for natural slopes, and the slopes of potential landslides are often below 45 degrees, basically Impossible above 50 degrees

Method used

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  • Phyllite artificial cut slope landslip early warning method and application
  • Phyllite artificial cut slope landslip early warning method and application
  • Phyllite artificial cut slope landslip early warning method and application

Examples

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Embodiment 1

[0043] A kind of phyllite artificial cutting slope landslide early warning method, comprises the following steps:

[0044] a. On-site investigation and mapping of landslide body slope α, landslide body area A, and landslide body upper side area A u and the side slope β on the landslide mass;

[0045] b. According to formula 1, calculate the terrain comprehensive discriminant factor T of artificial slope cutting in phyllite area;

[0046] T=S+1.8U Formula 1

[0047] In the formula, T is the terrain comprehensive discriminant factor; S is the slope factor of the landslide body, which is calculated and determined according to formula 2; U is the upper and lower terrain factor, which is calculated and determined according to formula 3;

[0048] S=tanα Formula 2

[0049] U=tan(α-β)A u / A Formula 3

[0050] In the formula, α is the slope of the landslide body, unit °; A u is the area of ​​the upper side of the landslide body, unit m 2 ; A is the area of ​​the landslide, in m ...

Embodiment 2

[0063] A kind of phyllite artificial cutting slope landslide early warning method, comprises the following steps:

[0064] a. On-site investigation and mapping of landslide body slope α, landslide body area A, and landslide body upper side area A u and the side slope β on the landslide mass;

[0065] b. According to formula 1, calculate the terrain comprehensive discriminant factor T of artificial slope cutting in phyllite area;

[0066] T=S+1.8U Formula 1

[0067] In the formula, T is the terrain comprehensive discriminant factor; S is the slope factor of the landslide body, which is calculated and determined according to formula 2; U is the upper and lower terrain factor, which is calculated and determined according to formula 3;

[0068] S=tanα Formula 2

[0069] U=tan(α-β)A u / A Formula 3

[0070] In the formula, α is the slope of the landslide body, unit °; A u is the area of ​​the upper side of the landslide body, unit m 2 ; A is the area of ​​the landslide, in m ...

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Abstract

The invention discloses a Phyllite artificial cut slope landslip early warning method featured by comprising the following steps: a, investigating field to plot a landslip body gradient [alpha], a landslip body area A, a landslip body upper side area Au and a landslip body upper side gradient [beta] of a phyllite region artificial cut slope; b, calculating a landform integral discrimination factorT of the phyllite region artificial cut slope according to T=S+1.8U; c, calculating an equivalent rainfall R* and a rainfall factor R; d, calculating a landslip determine value P; e, discriminating the conditions of the landslip determine value P and a landslip critical value Cr. The invention aims at the phyllite region artificial cut slope, studies internal mechanisms of landform factors and rainfall factors on the landslip forming degrees, fully considers phyllite region particularity and soil penetration characteristics, builds an artificial cut slope landslip early warning calculation model, determines the landslip early warning grades in a quantitative mode, and greatly improving the early warning accuracy.

Description

technical field [0001] The invention relates to the field of prevention and control of artificial slope-cutting and landslides, in particular to an early warning method and application of phyllite artificial-cutting slopes and landslides. Background technique [0002] The new slopes formed by artificial slope cutting are widely distributed in low mountain and hilly areas, especially in the eastern low mountain and hilly areas of our country. Due to the growth of people's income, the per capita living area has also been increasing. The original housing can no longer meet the growing living needs of local residents, and new buildings need to be built. But our country has less arable land, and to protect the arable land, if we want to build new houses, we have to find another way. [0003] The only way to consider is to form a new dwelling site by cutting slopes on the side of a low mountain. In order to reduce the construction cost, increasing the slope of the slope is the u...

Claims

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Application Information

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IPC IPC(8): G08B21/10G08B31/00G06Q10/04G06Q50/26
CPCG08B21/10G06Q10/04G06Q50/26G08B31/00
Inventor 余斌刘波吴雨夫陈文鸿张瑛刘云柳清文殷剑敏
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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