• The paper mainly introduced the application technology of the pumping high strength concrete (C60) which takes crushed gravel as coarse aggregate with big fluidity.

    本文着重介绍采用破碎卵石骨料配制流动性送c 60混凝土技术应用

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  • 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.

    分别矿砂铁尾矿石代替天然普通碎石配制了C30C60两个强度等级的混凝土。

    youdao

  • 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.

    分别矿砂铁尾矿石代替天然普通碎石配制了C30C60两个强度等级的混凝土。

    youdao

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