高流动性大掺量粉煤灰混凝土耐久性试验研究.pdf
文档页数：4文档大小：1.15MB文档格式：pdf粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION2016no.1 试验与应用 高流动性大掺量粉煤灰混凝土耐久性试验研究 Experimental Study on Durability of High Volume Fly Ash Concrete With High Flowability陈建国2,郭晋川2,彭华娟2,刘鲁强2 (1.广西壮族自治区水利科学研究院,南宁,530023;2广西水工程材料重点实验室培育基地,南宁,530023) 摘要试验研究了早强剂掺量水胶比和粉煤灰掺量对高流动性大掺量粉煤灰混凝土耐久性的影响。正交试验 结果表明高流动性大掺量粉煤灰混凝土抗渗性的最主要影响因素为粉煤灰掺量,其次为水胶比及早强剂;高流动性大 掺量粉煤灰混凝土抗碳化性能和抗冻性能的最主要影响因素为粉煤灰掺量,其次为早强剂掺量及水胶比。通过正交设 计可以得出满足混凝土耐久性的配合比设计方法。 关键词:大掺量粉煤灰混凝土;正交设计;高流动性;耐久性 中图分类号:TU528.2 文献标识码:A 文章编号:1005-8249(2016)01-0027-04 Chen Jian-guo ",Guo Jin-chuan ,Peng Hua-juan ",Liu Lu-qiang( 1.Hydraulic Research Institute of Guangxi ,Nanning ,530023 ; 2 .Guangxi Key Laboratory cultivation base construction of Water Engineering Materials ,Nanning ,530023 ) Abstract :The influence of the amount of early strength agent ,water binder ratio and fly ash content on the durability of high volume fly ashoncrete with high flowability is studied .The results of orthogonal experiments show that ,The main factor affecting the impermeability of concrete isthe amount of fly ash ,followed by water cement ratio and the amount of early strength agent .The main factor affecting the carbonization and frostresistance was the amount ...
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