掺粉煤灰水泥胶砂的正交试验研究.pdf
文档页数：3文档大小：205.66KB文档格式：pdf粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION2010o.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 pressivestrength 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...
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