Statistical Analysis for Ventilation Resistance Characteristics of Bolting and Shotcrete Roadway in Nanyangpo Coal Mine

Yue Wei Wang; Bao Shan Jia; Zi Kun Pi

doi:10.4028/www.scientific.net/AMR.718-720.1462

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 718-720Statistical Analysis for Ventilation Resistance...

Statistical Analysis for Ventilation Resistance Characteristics of Bolting and Shotcrete Roadway in Nanyangpo Coal Mine

Abstract:

The statistical analysis for frictional resistance of bolting and shotcrete roadway is carried out by using the software of SPSS and statistical principle and combining the coal mine ventilation theory with the actual situation in Nanyangpo coal mine. The results show that the frictional resistance coefficient does not follow normal distribution and the 95% confidence interval is 0.0063~0.0087 N.s²/m⁴ for frictional resistance coefficient of bolting and shotcrete roadway. The comparison analysis of hectometer friction ventilation resistence is carried out between the statistical results with the actual measurement data in Nanyangpo Coal Mine, and its correlation is highly significant. It verifies that the statistical results is right. It has important application value for increasing the ventilation management level and ensuring the safety production of coal mining enterprises.

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Periodical:

Advanced Materials Research (Volumes 718-720)

Pages:

1462-1467

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.718-720.1462

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Online since:

July 2013

Authors:

Yue Wei Wang, Bao Shan Jia, Zi Kun Pi

Keywords:

Bolting, Bootstrap Resampling Method, Frictional Resistance Coefficient, Shotcrete Roadway, SPSS Software

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References

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