Study on multi-layer filling treatment of extra-large goaf and its underground application

HIGHLIGHTS

  • who: Huazhe Jiao and colleagues from the School of Civil Engineering, Henan Polytechnic University, Jiaozuo, China have published the Article: Study on Multi-Layer Filling Treatment of Extra-Large Goaf and Its Underground Application, in the Journal: Materials 2022, 5680 of /2022/
  • what: The paru2010 size size of the sample was measured size analyzer. analyzer.The Theinstrument instrument used in measuredby bylaser laserparticle particle size used ticle of the sample was the experiment was Rise-2008 laser particle size analyzer developed by Runzhi Technology in the experiment was Riseu20102008 laser particle size analyzer developed by . . .

     

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