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Method and system for forecasting tunnel geology

A geological prediction and geological technology, applied in geophysical measurement, instruments, etc., can solve the problems of single survey method, hidden safety hazards in tunnel construction, and inability to accurately predict the geological conditions of tunnels, and achieves the effect of strong reliability and improved practicability.

Inactive Publication Date: 2013-11-13
CHINA CONSTR FOURTH ENG DIV
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Problems solved by technology

[0003] However, in related technologies, the survey method of tunnel geological conditions is relatively simple, and it is impossible to accurately predict the geological conditions of tunnels, resulting in potential safety hazards in tunnel construction; no effective solution has yet been proposed for this potential safety hazard.

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  • Method and system for forecasting tunnel geology

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Embodiment Construction

[0018] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0019] In order to optimize the survey technology of tunnel geology, obtain more accurate survey results, provide reliable data for tunnel construction, and improve the safety of tunnel construction, embodiments of the present invention provide a method and system for predicting tunnel geology.

[0020] Such as figure 1 The flow chart of the prediction method of tunnel geology shown, the method includes the following steps:

[0021] Step S102, according to the geological conditions of the surrounding areas of the tunnel, conduct seismic wave reflection survey on the tunnel's geology;

[0022] Wherein, the geological condition of the surrounding area of ​​the tunnel can be obtained through the geolo...

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Abstract

The invention discloses a method and a system for forecasting tunnel geology. The method comprises steps as follows: surveying the tunnel geology with a seismic reflection method according to the geological condition of a peripheral zone of a tunnel; determining a suspicious geological section according to a result surveyed with the seismic reflection method; surveying the determined suspicious geological section with a short distance method; determining an unfavorable geological section according to a result surveyed with the short distance method; surveying the unfavorable geological section with an advanced drilling method, and obtaining geological analysis data of the unfavorable geological section; and performing geological forecast according to the geological analysis data of the unfavorable geological section. According to the method and the system, the potential safety hazard problem during tunnel construction due to the fact that the tunnel geological condition cannot be accurately forecasted with a single tunnel geological survey method is solved, and the forecasting practicability is improved.

Description

technical field [0001] The invention relates to the field of tunnel construction, in particular to a method and system for predicting tunnel geology. Background technique [0002] In the tunnel construction method, advanced geological prediction is based on the tunnel design, in order to ensure the safety of tunnel construction, guide the construction of tunnel engineering, and improve the quality of tunnel engineering construction. At the same time, according to different geographical environments, the methods of advanced geological prediction used in tunnel construction are also different. For example, in areas where there are underground rivers, when it is necessary to pass through the underground river for tunnel construction, advanced geological forecasting must be carried out to detect possible water inrush in front of the tunnel face, so as to guide the correct decision-making of tunnel construction and avoid construction occurrence of geological disasters. [0003]...

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Application Information

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IPC IPC(8): G01V11/00
Inventor 马成任刚唐勇熊勇庹兴坤
Owner CHINA CONSTR FOURTH ENG DIV
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