Powder Mass of Coal After Impact Crushing: A New Fractal-Theory-Based Index to Evaluate Rock Firmness
Chenghao Wang, Yuanping Cheng, Minghao Yi, Yang Lei, Xinxin He
Topics & Concepts
FractalCoalUltimate tensile strengthRock mass classificationCoal miningGeotechnical engineeringCompressive strengthFractal dimensionMaterials scienceParticle (ecology)ComminutionDrillingCompression (physics)Rock mechanicsMining engineeringGeologyComposite materialMathematicsEngineeringMetallurgyWaste managementOceanographyMathematical analysisMineral Processing and GrindingRock Mechanics and ModelingCoal Properties and Utilization