A theoretical method and its numerical simulation to calculate roof stress of coal floor

Using the method of limitless broad of the banding and the elasticity complex function we give an analytic solution fitting to the roof stress of coal floor, and it is easily to achieve the roof stress distribution according to formulations and numerical integration. In addition, a practical model i...

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Bibliographic Details
Published inProcedia engineering Vol. 26; pp. 160 - 165
Main Authors Junguo, Chen, Weiqun, Liu, Weihong, Peng, Zhengzhu, Dong
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2011
Subjects
Limitless board of the banding
numerical integration
roof stress
stress function
roof stress
stress function
numerical integration
Limitless board of the banding
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Summary:Using the method of limitless broad of the banding and the elasticity complex function we give an analytic solution fitting to the roof stress of coal floor, and it is easily to achieve the roof stress distribution according to formulations and numerical integration. In addition, a practical model is calculated by the theoretic formulations and the finite element method (ANSYS program) in the paper, and the results calculated by the two methods are also compared with each other.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2011.11.2154