Model of stress distribution during coal roadway excavation and its numerical validation
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DOI: 10.1007/s12517-020-5172-8
Abstract: This paper establishes a mechanical model of the stress distribution in front of the driving face during coal roadway excavation. Theoretical research shows that the stress state in the plastic zone of the driving face… read more here.
Keywords: model; stress; coal roadway; stress distribution ... See more keywords
Study on the Radial and Axial Temperature Fields of Coal Roadway under Seasonal Fluctuation Boundary
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DOI: 10.1155/2019/2120618
Abstract: The underground ventilation in coal mine comes from the ground air so that the seasonal fluctuation of atmospheric temperature inevitably has influence upon its climate. The paper obtains a simplified mathematical calculation method of the… read more here.
Keywords: temperature; seasonal fluctuation; radial axial; coal roadway ... See more keywords