粉煤灰改良铁尾矿膏体充填材料试验研究 |
海龙,程同俊,徐博,赵鑫 |
Experimental Study on the Paste Filling Material of Iron Tailings Improved by Fly Ash |
Long HAI,Tongjun CHENG,Bo XU,Xin ZHAO |
图7 养护龄期为3 d和28 d试块的SEM图像 |
Fig.7 SEM images of specimens with curing age of 3 d and 28 d |