Comprehensive tunnel harmful gas advanced prediction method based on TSP

A harmful gas and advanced forecasting technology, which is applied to the analysis of gas mixtures, the structural details of gas analyzers, instruments, etc., can solve the problems of low accuracy of prediction results, and achieve the effect of enhancing effectiveness and accuracy

Active Publication Date: 2020-09-25
SOUTHWEST PETROLEUM UNIV +2
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the disadvantages of the prior art that the technology of harmful gas prediction in non-coal-measure tunnels is not mature enough to result in low accuracy of the prediction results, and provides a TSP-based comprehensive advanced prediction method for harmful gas in tunnels, through the TSP technology Intervention, effectively enhance the accuracy of the prediction of harmful gases in non-coal-measure tunnels, and can complete the prediction of harmful gases more effectively

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  • Comprehensive tunnel harmful gas advanced prediction method based on TSP
  • Comprehensive tunnel harmful gas advanced prediction method based on TSP
  • Comprehensive tunnel harmful gas advanced prediction method based on TSP

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Embodiment

[0052] Such as figure 1 As shown, this embodiment takes the Hongdoushan Tunnel as an example to carry out the test experiment. The Hongdoushan Tunnel is a control project for the entire line of the newly-built Dalin Railway Line. It belongs to the high and middle mountain erosion and denudation landform, with large terrain undulations, Hongdou Mountain is distributed in the northeast direction, and the valleys are developed. The overlying Quaternary new artificial filling soil, slope colluvial gravel soil, and slope residual gravel soil; the underlying Triassic metamorphic sandstone, slate, schist, and Indosinian biotite granite. The Lancang River fault and the Nanting River fault hold different weathering areas. The geological structure in the area is complex, with many folds, active faults and deep and large faults. broken. The surface water in the area is mainly seasonal mountain streams, and the flow rate varies greatly with seasons. The groundwater is mainly bedrock fi...

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Abstract

The invention discloses a comprehensive tunnel harmful gas advanced prediction method based on TSP. The method comprises the following steps: S1, detecting a rock mass in a tunnel, and recording the integrity of the rock mass in the tunnel; S2, performing geological sketch according to the obtained integrity of the rock mass in the tunnel; S3, carrying out data acquisition of tunnel seismic wave method geological forecast, and acquiring acquired data;S4, detecting harmful gas in the rock mass to obtain a harmful gas detection result; S5, forecasting the harmful gas according to the data acquired in the S3 and the harmful gas detection result in the S4 to obtain a forecasting result; and S6, performing harmful gas protection according to the forecast result in the S5. Through the intervention of the TSP technology, the accuracy of predicting the harmful gas of the non-coal-series tunnel is effectively enhanced, and the prediction of the harmful gas can be more effectively completed.

Description

technical field [0001] The invention relates to the field of tunnel harmful gas prediction, in particular to a TSP-based comprehensive advance prediction method for tunnel harmful gas. Background technique [0002] Since entering the 21st century, my country's economic level, comprehensive national strength and scientific and technological level have shown a rapid and stable trend of continuous improvement. National policies and people's needs have continued to increase. In order to seek a greater development environment, the number and scale of underground projects are increasing day by day. The development of mountain traffic cannot do without the development of tunnel engineering. With the increase of the number of tunnels, the geological problems and geological disasters encountered by the tunnels have also become diversified, complicated and difficult to prevent and control. Among them, there are more and more toxic and harmful gas accidents in non-coal-measure tunnels....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/00G01V1/30G01N33/00G01D21/02
CPCG01V1/003G01V1/306G01N33/0062G01N33/004G01N33/0044G01N33/005G01D21/02G01V2210/62G01V2210/64G01V2210/642
Inventor 苏培东杜宇本邱鹏王栋李有贵徐正宣
Owner SOUTHWEST PETROLEUM UNIV
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