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Method and application for judging landslide danger of artificially cut slope of phyllite

A phyllite and dangerous technology, which is applied in the field of phyllite artificial cut slope landslide risk judgment, can solve the problem of high risk, achieve the effect of strong pertinence, ensure the accuracy of division, and improve the accuracy

Inactive Publication Date: 2018-11-09
CHENGDU UNIVERSITY OF TECHNOLOGY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes an algorithm for calculating sloping bodies' boundaries based upon their size and shape. It uses measurements from field surveys or maps that show how long these objects move over time. By analyzing this data with mathematical formulas, we find out various ways they may affect them such as changing inclinations caused by tectonic activity (gravitation) or adding new material like sediment). These technical features help predict potential safety hazards associated with natural cutting surfaces.

Problems solved by technology

This patents discusses various technical problem addressed during the design process of managing slope underground spaces where risks exist due to human activities like excavation work. Ground slidings caused by excessive groundwater pressure may lead to serious environmental damage. Existing techniques involve calculating specific values based upon predetermined assumptions about the slope shape and location of the potentially dangerous regions within an urban region. They require extensive laboratory analysis and interpretation before making recommendations regarding suitable placement options.

Method used

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  • Method and application for judging landslide danger of artificially cut slope of phyllite
  • Method and application for judging landslide danger of artificially cut slope of phyllite

Examples

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Embodiment 1

[0043] The method for judging the risk of phyllite manual cutting and landslide includes the following steps:

[0044] a. Field survey and mapping of landslide body slope length L, landslide body slope α, landslide body area A, landslide body upper side area A u And the upper side slope β of the landslide body;

[0045] b. Calculate the comprehensive topographic discrimination factor T for artificial slope cutting in the phyllite area according to formula 1;

[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 gentle 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, in °; A u Is the area of ​​the upper side of the landslide, in m 2 ;A is the area of ​​landslide body, unit m ...

Embodiment 2

[0055] The method for judging the risk of phyllite manual cutting and landslide includes the following steps:

[0056] a. Field survey and mapping of landslide body slope length L, landslide body slope α, landslide body area A, landslide body upper side area A u And the upper side slope β of the landslide body;

[0057] b. Calculate the comprehensive topographic discrimination factor T for artificial slope cutting in the phyllite area according to formula 1;

[0058] T=S+1.8U formula 1

[0059] 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 gentle terrain factor, which is calculated and determined according to formula 3;

[0060] S=tanα formula 2

[0061] U=tan(α-β)A u / A formula 3

[0062] In the formula, α is the slope of the landslide, in °; A u Is the area of ​​the upper side of the landslide, in m 2 ;A is the area of ​​landslide body, unit m ...

Embodiment 3

[0073] The method for judging the risk of phyllite manual cutting and landslide includes the following steps:

[0074] a. Field survey and mapping of landslide body slope length L, landslide body slope α, landslide body area A, landslide body upper side area A u And the upper side slope β of the landslide body;

[0075] b. Calculate the comprehensive topographic discrimination factor T for artificial slope cutting in the phyllite area according to formula 1;

[0076] T=S+1.8U formula 1

[0077] 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 gentle terrain factor, which is calculated and determined according to formula 3;

[0078] S=tanα formula 2

[0079] U=tan(α-β)A u / A formula 3

[0080] In the formula, α is the slope of the landslide, in °; A u Is the area of ​​the upper side of the landslide, in m 2 ;A is the area of ​​landslide body, unit m ...

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Abstract

The invention discloses a method for judging landslide danger of an artificially cut slope of phyllite, which is characterized by comprising the following steps: a, investigating and mapping the slopelength L of the landslide body of the artificially cut slope in a phyllite area, the slope degree alpha of the landslide body, the area A of the landslide body, the upper side area Au of the landslide body and the slope degree beta of the upper side of the landslide body on site; b, calculating a terrain comprehensive discriminating factor T of the artificially cut slope in the phyllite area according to T=S+1.8U; c, discriminating the landslide danger of the artificially cut slope of the phyllite. According to the method for judging landslide danger of the artificially cut slope of phyllitein the invention, internal mechanism study is carried out on the occurrence degree of landslide by studying the topographic factors, and a danger calculation model of side slope landslide of the artificially cut slope of the phyllite is established; the pointedness is strong; the landslide danger region is accurately divided in a quantitative manner by comprehensively considering the topographic influence factor of side slope landslide of the artificially cut slope; and the dividing precision is effectively ensured.

Description

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Claims

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Application Information

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Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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