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Method for constructing risk assessment model for ground fissures along line

An evaluation model and risk technology, applied in the field of construction of risk evaluation models for ground fissures along the line

Inactive Publication Date: 2018-11-20
句容市有色金属铸造厂
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Problems solved by technology

The study found that the developed ground fissures all occur at the location of the fault development and have a good correspondence with the fault strike. There is no evaluation method for the risk of ground fissures along the line in the prior art. Therefore, a risk assessment method for ground fissures along the line is urgently needed. evaluation method

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  • Method for constructing risk assessment model for ground fissures along line
  • Method for constructing risk assessment model for ground fissures along line
  • Method for constructing risk assessment model for ground fissures along line

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0037] Such as figure 1 As shown, the present invention provides a method for constructing a risk assessment model of ground fissures along the line, comprising the following steps:

[0038] Step 1, establishing four influencing factors of geological structure, land subsidence, landform environment and sand liquefaction as evaluation indicators;

[0039] Step 2, build the risk assessment model of ground fissures along the line by AHP (the method of the present invention is aimed at the risk assessment of ground fissures along the engineering line, such as planning to build a certain project, then use the grid method, each 1 km along the line of the project The range is divided, and the side length of each cell is 500m).

[0040] In step 1, the establishment of the geological structure as an evaluation index includes: establishing the division standard...

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Abstract

The invention discloses a method for constructing a risk assessment model for ground fissures along a line. The method comprises the steps of (1) establishing four influencing factors including a geological structure, land subsidence, a geomorphological environment and sand liquefaction as evaluation indexes, and (2) constructing a risk assessment model for the ground fissures along the line through a hierarchical analysis method. Finally, the risk of each coordinate area is evaluated through the obtained risk assessment model, and a risk area of a ground fissure is obtained.

Description

technical field [0001] The invention relates to a method for constructing a risk assessment model of ground fissures along a line. Background technique [0002] Since the beginning of the 21st century, many cities in the plain area of ​​China have developed multiple ground fissures, such as the Gaoli camp, Shunyi ground fissures, Beixiaoying ground fissures, and Yangfang ground fissures in Beijing. The above-mentioned ground fissures have caused disasters such as cracking of houses, deformation of roads or bridges, and subsidence of fields. The study found that the developed ground fissures all occur at the location of the fault development and have a good correspondence with the fault strike. There is no evaluation method for the risk of ground fissures along the line in the prior art. Therefore, a risk assessment method for ground fissures along the line is urgently needed. method of evaluation. Contents of the invention [0003] Aiming at the deficiencies of the prior...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/0635G06Q50/26
Inventor 朱观友
Owner 句容市有色金属铸造厂
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