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Research on the performance of fly ash/coal gangue separation layer grouting filling materials
Li Xinwang1, Wu Rongyuan1, Li Lei1, Qi Yifei1, Cheng Lichao1, Li Li2
1. School of Mining Geomatics Engineering, Hebei University of Engineering, Handan 056038, China; 2. School of Civil Engineering, Hebei University of Engineering, Handan 056038, China


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