Method for forecasting landslide and side slope by using tunnel advance geology forecast technology

A technology of advanced geological forecasting and slope, applied in the field of detecting slip and potential slip surface of slope, to achieve the effect of simple operation, reliable and stable conclusion, and easy to use

Inactive Publication Date: 2014-06-11
CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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Problems solved by technology

[0008] The purpose of the present invention is to provide a method for forecasting slides and slopes using tunnel advanced geological forecasting technology, to overcome the defects of existing slides and slopes geological disaster prediction methods, to achieve easy learning and use, convenient operation, stable results, relatively Accurate Forecasting Method for Slip and Slope Geological Hazards

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  • Method for forecasting landslide and side slope by using tunnel advance geology forecast technology
  • Method for forecasting landslide and side slope by using tunnel advance geology forecast technology
  • Method for forecasting landslide and side slope by using tunnel advance geology forecast technology

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Embodiment Construction

[0030] The technical scheme and principle adopted by the present invention to solve its technical problems are:

[0031] The root cause of landslide and slope geological disasters is the existence of potential slip surfaces in the landslide body. The key to successfully predicting the occurrence of landslide and slope geological disasters is to accurately detect the location and characteristics of the potential slip surfaces in the body of the slide and slope, and verify them. The potential sliding surface is generally a weak fracture zone, which is usually located at the interface of different media, and the reflection coefficients of the upper and lower media on the potential sliding surface are different. The difference in reflection coefficient can be measured by TRT equipment using TRT technology, using artificially constructed guide tunnels on slippery and slope bodies, and the detection results are given; the detection results are interpreted by engineers, and the potent...

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Abstract

The invention discloses a method for forecasting landslide and side slope by using a tunnel advance geology forecast technology. The method is implemented by the following steps: I, establishing a reference point, and surveying and mapping a landslide mass; II, arranging testing pilot tunnels according to a pre-judged result; III, arranging an excitation source detector and a receiving source detector in the pilot tunnels; IV, testing; V, summarizing the results; VI, explaining the results and sorting; VII, constructing an exploratory hole for verifying and correcting the results, and constructing the exploratory hole for verifying according to a potential fracture obtained at a previous stage; VIII, correcting and completing a primary detection result, judging the safety of landslide and side slope, and making a final conclusion. The method has the advantages of easiness in learning and using, convenience in operation, stable results and relatively accurate forecast of the geological hazards of landslide and side slope.

Description

technical field [0001] The invention relates to a method for detecting potential slip surfaces of slippery and side slopes by using tunnel geological tomography advanced forecasting (TRT) technology. Background technique [0002] my country has a vast territory, complex geographical environment and geological conditions, strong natural variation, and various geological disasters occur frequently. Areas with slippery and slope hazards account for more than 25% of the country's total area, and the annual economic losses caused by slippery and slopes are more than 15 billion yuan. Landslides and slopes have a wide range of hazards, and the treatment costs are high. Some landslides and slopes have seriously affected people's lives and property safety. There are more than 1,000 large and medium-sized slides and slopes distributed along the national railways, with an average of 44 interruptions to transportation every year. Some of them are slippery, and the slopes are huge in s...

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Application Information

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IPC IPC(8): G01V9/00
Inventor 郭恒肖淑华宋福渊胡贺祥油新华白晨光许国光
Owner CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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