The Parameter Identification of the Steep Seam Goafs Structural Characteristics of the Coal and Rock Based on GPR

Sheng Jun Miao; Chao Long; Guan Lin Huang; Han Chen

doi:10.4028/www.scientific.net/AMM.390.403

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 390The Parameter Identification of the Steep Seam...

The Parameter Identification of the Steep Seam Goafs Structural Characteristics of the Coal and Rock Based on GPR

Abstract:

Identifying the rock mass structure is crucial for disaster control and safe mining.In the south tunneling lane of the original +600 level, using detection method of GPR (Ground Penetrating Radar ) to implement the sophisticated detection of failure characteristics, groundwater and rock structure of the upper goaf. It determines the goaf structure parameters and water conditions through the comparative analysis of the information image. The result shows: there is no large goaf, the coal seam is broken seriously in part section and water is rich in the detection range (200m) from 2650 to 2850. The coal is hypostatic and whole in the section above 20m. It has a great significance to the safety of deep mining design and the prevention for disasters of the steep thick coal seam.

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Periodical:

Applied Mechanics and Materials (Volume 390)

Pages:

403-407

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.390.403

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Online since:

August 2013

Authors:

Sheng Jun Miao, Chao Long, Guan Lin Huang, Han Chen

Keywords:

Coal Rock Mass Structure, Failure Characteristics, GOAF, GPR, Steep Coal Seam

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