Height of overburden fracture based on key strata theory in longwall face

• Weiyong Lu,

  Roles Writing – original draft

  Affiliation Department of Mining Engineering, Luliang University, Lvliang, Shanxi, P.R. China

  http://orcid.org/0000-0003-1768-4130

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• Changchun He ,

  Roles Data curation

  * E-mail: 2283204550@qq.com

  Affiliation School of Civil Engineering and Architecture, East China University of Technology, Nanchang, Jiangxi, P.R. China

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• Xin Zhang

  Roles Methodology

  Affiliation School of Minerals and Energy Resources Engineering, Faculty of Engineering, University of New South Wales, Sydney NSW, Australia

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