Simulation of Fallen-Column Geological Structure Detection of Tunnel Face and Parameters Analysis

Abstract:

In order to study on the advanced detection technology and the sensitivity of the fallen geological structure based on induce polarization method, the hazards of the fallen geological structure before the driving face of coal roadway are analysed. A simplified physical model of the structure is established, which is converted to an equivalent circuit easy to study. Then an induce polarization model of the fallen geological structure is established. And the induce polarization (IP) model is connected with the simulation detection model of geological abnormal mass and the variation curves of the apparent resistivity and value of the fallen geological structure under the induce polarization mode are obtained. The curves obtained show that the parameters of simulation detection results and the electrical parameters pre-set by the induce polarization model would be the same basically. Therefore the basic idea of the electric method detection is verified and the feasibility presupposition could be provided for the development of the coal (rock) excited polarization effect base on the advanced detection instruments with the electric method.

• Periodical: Applied Mechanics and Materials (Volume 394)
• Pages: 357-363
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.394.357
• Online since: September 2013
• Authors: Wei Jie Zhang, Qi Feng Zhao, Ming Rui Hao, Zhi Min Liu, Miao Wu
• Keywords: Equivalent Circuit, Fallen-Column Geological Structure, Induce Polarization Model, Physical Model, Simulation of Detection

References

[1] Zhao Julin, Xue Binyi, Feng Jun, in: The apparent resistivity parameters in direct current IP method and the secondary electric field sampling, volume 1 of Geophysical and Geochemical Exploration( 2009).

[2] Zhang Zhenghao: Mine water disaster prevention and control technology （China coal industry publishing house. Beijing China 2010）.

[3] Pan Heping, Ma Huolin, Qi Mingsong, in: The modeling experimental design of borehole induced polarization method, volume 1 of Experimental Technology and Management( 2010).

[4] Liu Song, Xue Jian, Xu Jianhua, in: The evaluation of real cole-cole parameters of underground polarized bodies, volume 1 of Geophysical and Geochemical Exploration, (2000).

[5] Ding Zhu, Tong Mao-song, Pan Tao, in: The dias model of rock complex resistivity and its parameter inversion method, volume 5 of Computing Techniques for Geophysical and Geochemical Exploration( 2005).

[6] Hou Haitao: Transient electromagnetic response of cole-cole model equivalent simulation . (Central south university. 2010).

[7] Li Jinming: Induced polarization method technology guide(China geosciences publishing house. Beijing China 2004).

[8] Hao Mingrui, Zhang Weijie, Zhang Weizhen, in: Simulation of Transmission Module of Mine Seam Gateway Pilot Detector with Frequency Conversion, volume 8 of Coal Science and Technology( 2011).

[9] Liu Zhengjun: MATLAB simulation of scientific computing and visualization(Publishing house of electronics industry. Beijing China 2009）.

[10] Zhang Weijie, Hao Ming-rui, Zhang Wei-zhen, in: Simulation no Water Bearing Geological Structure Detection of Mine Seam Gateway Driving and Analysis on Parameters, volume 7 of Coal Engineering. (2012).