摘要
针对实际工程中泵送剂过量导致混凝土缓凝的现象,本文研究了减水剂、缓凝组分和泵送剂在超量掺加的情况下,对混凝土的流动性、凝结时间和抗压强度等性能的影响。试验结果表明,当掺量超过基准掺量的2倍后对混凝土的影响较大。
For the retardation of concrete in some engineerings because of the pumping agent＇ s extra adding,the Effects of fluidity,setting time and compressive strength of concrete were studied when the dosages of water reducer,retarder and pumping agent were added more.Experimental results show that when the dosage is 2 times more than the benchmark,concrete performance were influenced greatly.
出处
《中国建材科技》
2014年第2期14-15,35,共3页
China Building Materials Science & Technology
关键词
相容性
外加剂
掺量
强度
compatibiliw
admixture
dosage
strength
