电厂灰渣制备井下膏体充填材料试验研究
赵鑫,海龙,徐博,程同俊

Experimental Study on Preparation of Paste Filling Materials from Power Plant Ash
Xin ZHAO,Long HAI,Bo XU,Tongjun CHENG
表7 级配优化试验结果
Table 7 Experimental results of grading optimization
序号细骨料粒径/mm细骨料占比/%质量浓度/%不同养护龄期的充填体抗压强度/MPa
1 d3 d7 d14 d28 d
1≤2573.00.451.512.152.482.94
2≤21073.00.511.582.272.563.26
3≤21572.70.491.542.232.503.13
4≤22072.50.451.542.032.412.85
5≤22572.50.431.511.892.272.68
6≤5573.00.551.642.422.963.35
7≤51073.00.521.672.473.113.56
8≤51572.70.581.712.493.173.61
9≤52072.70.551.532.252.853.32
10≤52572.50.531.492.192.632.97