铁尾矿砂特性及在自流平砂浆中的应用研究  

Characterist ic of iron tail and the experiment study in self-leveling mortar

作　　者：陈虎 

机构地区：[1]武汉市建筑节能检测中心,湖北武汉430070

出　　处：《混凝土》2014年第7期125-130,共6页Concrete

摘　　要：研究了铁尾矿自身物化性质,根据铁尾矿砂的特性符合自流平砂浆细骨料的要求,按标准配制铁尾矿自流平砂浆,对铁尾矿砂浆各项性质进行了研究。试验证明,铁尾矿石粉含量虽然较大但MB值较小,并且石粉的平均粒径大于泥粉和水泥颗粒粒径;通过优化的配合比能制备出力学性能良好地铁尾矿自流平砂,并且较传统的自流平砂浆成本有了较大的降低。The properties of iron ore tailings is studied and they comply with requirements of the fine aggregate in self-leveling mortar, the iron ore railings self-leveling mortar is prepared by standard and its properties is studiedo The results indicated that： the powder content of tailing sand is relatively high but the MB value is relatively small, and the average particle diameter of the powder is greater than the mud powder and cement particle size o The optimized iron ore tailings self-leveling mortar has good mechanical properties and the cost has been greatly reduced than traditional self-leveling mortar

关 键 词：铁尾矿砂 细集料 自流平砂浆 流动度 

分 类 号：TU528.041[建筑科学—建筑技术科学]