Experimental study on mechanical properties and microstructure of cement-based expansion grouting materials for broken coal mass

• Feng Zhang,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

  Affiliation School of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, China

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• Jinxiao Liu ,

  Roles Conceptualization, Methodology, Validation, Writing – original draft, Writing – review & editing

  * E-mail: skd993938@sdust.edu.cn

  Affiliations School of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, China, National Demonstration Center for Experimental Mining Engineering Education, Shandong University of Science and Technology, Qingdao, China

  https://orcid.org/0000-0003-3213-521X

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• Jiawei He,

  Roles Data curation, Formal analysis, Methodology

  Affiliation School of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, China

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• Kai Zhang,

  Roles Data curation, Investigation, Methodology

  Affiliation School of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, China

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• Zhongcheng Qin

  Roles Validation, Writing – review & editing

  Affiliation School of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, China

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