粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2010o.1 掺粉煤灰水泥胶砂的正交试验研究 Research on Orthogonal Experiment of Cement Mortar Blended Fly Ash 赵鹏,王跃峰,王尉和,赵亚丽,姚彩珍,关博文 (长安大学材料科学与工程学院,陕西西安710054) 摘要:采用正交试验方法,研究了粉煤灰掺量细度和NaSO掺量对水泥胶砂试块抗折抗压强度影响规律。结 果表明:粉煤灰掺量对水泥胶砂试块的7d抗折、抗压强度影响最显著;粉煤灰掺量和粉煤灰细度对28d抗折抗压强度 影响都比较显著;而Na2SO掺量对7、28d抗折抗压强度影响不大。 关键词:粉煤灰;正交试验;水泥胶砂;抗折强度;抗压强度 中图分类号:TQ177.6*2 文献标识码:A 文章编号:1005-8249(2010)01-0031-03 Institute of Materials Science and Engineering ,Chang an University ,Xian 710054 ,China ) Abstract :orthogonal experiment ,the of fly ash content fineness and the content of Na ,.folding and pressive strength ( 7,28d)of cement mortar are studied .The results show that the content of fly have the most prominent influence on 7d folding and pressive strength of cement mortar ;the content of fly ash and the fineness of fly ash have significant influence on 28d folding and pressive strength of ce - ment mortar :yet the content of all along have little influence on ,28dfolding and pressive strength of cement mortar . Key words :fly ash ;orthogonal experiment ;cement mortar ;folding strength presaive strength 粉煤灰是煤粉经高温燃烧后形成的一种似火山灰 煤灰细度、Na2SO4掺量3个因素为变量做水泥胶砂试 质混合材料。本文测试了粉煤灰掺量...
掺粉煤灰水泥胶砂的正交试验研究.pdf
