Studies on the possibility and technological conditions of the utilization of fine tailings from Meishan Iron mine as filling and piling materials in caved and mine up areas have been carried out.
对梅山铁矿选矿厂细粒尾矿用于充填塌陷区和采空区堆块的可能性及生产工艺条件进行了研究。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.
分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.
分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
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