尾矿砂石混凝土施工性能的试验研究  

Experimental research on the construction performance of the tailing dinax concrete

作　　者：赵芸平[1] 孙玉良[2] 于涛[1] 于嘉禾[1] 

机构地区：[1]唐山学院,河北 唐山 063020 [2]唐山市建设工程质量监督检测站,河北 唐山 063000

出　　处：《混凝土》2009年第6期94-96,102,共4页Concrete

摘　　要：通过对尾矿砂石混凝土施工性能的系统试验研究,探讨了用尾矿砂石代替天然砂石后,对混凝土施工性能的影响。研究分析表明,在用水量相同、水灰比相同、外加剂用量基本相同的情况下,尾矿砂石混凝土的坍落度小于天然砂混凝土;配合比相同、坍落度相近时,尾砂石混凝土与天然砂石混凝土泵送性能相差无几;相同配合比时,铁尾矿砂石混凝土的黏聚性和保水性略差于天然砂石混凝土。Based on the systematic experimental research on the construction performance of the tailing dinax concrete, the influence on the concrete construction performance is explored through using tailing dinax instead of the natural dinax.The research shows that on the condition of the same water volume, same water-lime proportion, same additive, the slump of the tailing dinax concrete is lower than that of the natural dinax.Under the condition of the same proportion,same slump,there is no significant difference on the pumping performance between the tailing dinax and the natural dinax; with the same proportion, the cohesive property and water-retaining property of the iron tailing dinax are worse than the natural dinax concrete.

关 键 词：尾矿砂石 混凝土 坍落度 泵送性能 

分 类 号：TU646[建筑科学—建筑技术科学] TU528.52