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Advanced geology forecasting method for moraine layer tunnel

A technology of advanced geological prediction and tunneling, applied in seismology, seismic energy generation, seismic signal processing, etc., can solve problems such as long construction period, high cost, and failure to meet forecast requirements

Pending Publication Date: 2021-05-18
NO 5 ENG OF CHINA RAILWAY 19 BUREAU GRP +1
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Problems solved by technology

[0003] Advanced geological prediction mainly includes methods such as advanced pilot pit and advanced drilling. These methods have long construction period and high cost
However, the moraine layer is more complex, and the existing advanced geological prediction methods cannot meet the prediction requirements.

Method used

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  • Advanced geology forecasting method for moraine layer tunnel
  • Advanced geology forecasting method for moraine layer tunnel
  • Advanced geology forecasting method for moraine layer tunnel

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Embodiment Construction

[0021] The present invention will be further described now in conjunction with accompanying drawing.

[0022] Such as Figure 1 to Figure 6 As shown, the advanced geological prediction method for moraine layer tunnels includes the following steps: advanced horizontal drilling; information collection; professional judgment, which includes the interpretation of the possibility of water and mud gushing, the interpretation of the possibility of high ground temperature, and the possibility of soft rock deformation. Interpretation of nature, rockburst possibility, and other geological diseases; design unit; dynamic design; implementation of construction; post-construction confirmation and review of forecast results.

[0023] Advanced horizontal drilling includes: geological survey method, seismic wave emission method, geological radar method, infrared detection method, deep blast hole method and advanced drilling method.

[0024] The advanced geological prediction method of moraine...

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Abstract

The invention relates to a geological forecasting method, in particular to an advanced geological forecasting method for a moraine layer tunnel. The method comprises the following steps of: advanced horizontal drilling; collecting information; performing professional judgment which comprises water and mud burst possibility interpretation, high ground temperature possibility interpretation, soft rock deformation possibility interpretation, rockburst possibility interpretation and other geological disease interpretation; designing a unit; performing dynamic design; carrying out construction; and carrying out post-construction confirmation and re-checking on a forecast result. The advanced geological forecasting method for the moraine layer tunnel mainly adopts horizontal drilling for forecasting, is suitable for moraine layers, and is accurate in forecasting and low in cost.

Description

technical field [0001] The invention relates to a geological prediction method, in particular to a method for advanced geological prediction of a moraine layer tunnel. Background technique [0002] Geological forecasting is to find out the hidden major geological problems that are difficult to detect due to the limitations of the previous geological survey work, predict the adverse geological disasters in front of the construction tunnel face, and then correctly guide the safe construction of the tunnel project and reduce the occurrence of geological disasters. probability and risk. [0003] Advanced geological prediction mainly includes methods such as advanced pilot pit and advanced drilling. These methods have long construction period and high cost. The moraine layer is more complex, and the existing advanced geological prediction methods cannot meet the prediction requirements. Contents of the invention [0004] In order to solve the above problems, the present inven...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/13G01V1/30G01S13/88
CPCG01V1/13G01V1/306G01S13/885
Inventor 陶琦关喜彬韩希平周烨何旭罗振平黄云刘国强刘昌济王奇国玉龙郭义肖群胡啸刘祥敏王海东
Owner NO 5 ENG OF CHINA RAILWAY 19 BUREAU GRP
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