- 目录
- 混凝土与制品
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废水泥浆球磨时间探求及其对混凝土拌合物性能的影响
作者：陈展华1，郭元强1，赖广兴1，方云辉1，张兴富2
（1.科之杰新材料集团有限公司，福建 厦门 361100；2.厦门新航翔盛混凝土有限公司，福建 厦门 361101）
摘要：研究了废水泥浆干燥后的粉体的化学成分、最佳球磨时间、粒度分布以及掺入胶砂和混凝土后对流动度和强度的影响。结果表明，10 min是比较适合的一个球磨时间；胶砂中掺入少量的废水泥浆能略微改善流动性和强度；混凝土中掺入少量的废水泥浆能改善其和易性，对强度影响不大，可以将其当作掺合料使用。
关键词：废水泥浆；细度；比表面积；颗粒粒度；胶砂；混凝土
中图分类号：TU528.09 文献标识码：A 文章编号：1001-702X（2019）10-0162-04
Exploration of milling time of waste slurry and its effect on the performance of concrete mixture
CHEN Zhanhua1，GUO Yuanqiang1，LAI Guangxing1，FANG Yunhui1，ZHANG Xingfu2
（1.KZJ New Materials Group Co. Ltd.，Xiamen 361100，China；
2.Xiamen Xinhang Xiangsheng Concrete Co. Ltd.，Xiamen 361101，China）
Abstract：The chemical composition，optimum milling time，particle size distribution of the powder after drying of the waste cement slurry and the effects on the fluidity and strength after the incorporation of the mortar and concrete were studied. The result shows that 10 min is a suitable milling time；the addition of a small amount of waste slurry to the mortar can slightly improve its fluidity and strength；adding a small amount of waste slurry to concrete can improve its workability，while affecting little on its strength；the waste slurry can be used as a blending material.
Key words：waste slurry，fineness，specific surface area，particle size，mortar，concrete