Study on Bolt Support Technology for Large-Span Rectangular Coal Roadway

Jin Hua Li

doi:10.4028/www.scientific.net/AMM.90-93.271

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Study on Bolt Support Technology for Large-Span...

Study on Bolt Support Technology for Large-Span Rectangular Coal Roadway

Abstract:

Based on bolt support project of the 107th working face in Huangling the 2nd mine, the lesion range of large-span rectangular coal roadway is defined by the equivalent ellipse method to determine the support parameters. Site monitoring results indicate good support effect and correct support parameters. This paper provides new effective approach to support scheme for large-span rectangular coal roadways.

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Periodical:

Applied Mechanics and Materials (Volumes 90-93)

Pages:

271-276

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.90-93.271

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Online since:

September 2011

Authors:

Jin Hua Li

Keywords:

Bolt Support, Coal Roadway, Large-Span, On-Site Monitoring

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