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Method for predicting water bursting and mud bursting disasters caused by penetration of tunnel into water-rich mylonite zone

A prediction method and tunnel technology, which is applied in the field of water and mud inrush disaster prediction for tunnels crossing the water-rich Milingyan belt, can solve the problems of lack of macroscopicity, cost of money, and time.

Inactive Publication Date: 2017-12-12
BEIJING MUNICIPAL CONSTR +2
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Problems solved by technology

Measures are time-consuming, costly, lack of macro-level and are prone to omissions

Method used

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  • Method for predicting water bursting and mud bursting disasters caused by penetration of tunnel into water-rich mylonite zone
  • Method for predicting water bursting and mud bursting disasters caused by penetration of tunnel into water-rich mylonite zone
  • Method for predicting water bursting and mud bursting disasters caused by penetration of tunnel into water-rich mylonite zone

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] Such as Figure 1-6 Commonly shown, a method for predicting water and mud inrush hazards in tunnels passing through the water-rich Milingyan belt, including the following steps:

[0029] step one

[0030] At a safe enough distance before the tunnel construction reaches the water-rich Milingyan belt, use the seismic reflection wave method to detect the Milingyan belt, and at the same time, mark the exact location of the acquisition system to pr...

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Abstract

The invention provides a method for predicting water bursting and mud bursting disasters caused by penetration of a tunnel into a water-rich mylonite zone. On the basis of a seismic wave reflection method, a high-density resistivity method, a local drilling method and an electromagnetic wave reflection method, an objective of predicting water bursting and mud bursting disasters caused by penetration of a tunnel into a water-rich mylonite zone is achieved by using a time-sharing fixed-point detection method. The time-sharing fixed-point detection technology is employed and macroscopic, rapid and non-destructive properties of the geophysical prospecting means are utilized fully, and local drilling and sampling are carried out for assistance. The method provided by the invention has advantages of low cost, good time saving performance, and high rapidity.

Description

technical field [0001] The invention relates to the technical field of geophysics, in particular to a method for predicting water and mud inrush disasters when a tunnel passes through a water-rich miling rock belt. Background technique [0002] The judgment of the water and mud inrush caused by the tunnel passing through the water-rich fault structure zone is based on the accurate grasp of the geological conditions and the comparison of the mud-water pressure and the protection strength. [0003] At present, the research on the problem of mud and water inrush in engineering circles either focuses on the detection of geological conditions, or focuses on the research of the mechanism of mud and water inrush, or focuses on the evaluation of anti-outburst measures, and rarely starts from the prediction of mud and water inrush. A systemic solution is proposed from a perspective. [0004] The milingite belt is an ultra-fine-grained structural belt formed by the compression of reg...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 姚海波宋景东苏河修胡宇斌熊怡思刘会丰丁磊梁文广杨占猛李林张鹏华正实郭飞单中趁
Owner BEIJING MUNICIPAL CONSTR
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