摘要
通过设置4组石膏与矿渣的配合比,通过抗压抗折测试确定出石膏矿渣掺量的最优比例,实验结果表明:最优掺量为石膏22%,矿渣73%,水泥熟料5%,熟石灰0.5%;在此基础上确定水胶比为0.5时,采用常温下蒸汽养护,研究不同的减水剂掺量对超硫酸盐水泥强度的影响。结果表明:在水胶比0.5时,减水剂掺入量为0.8%时7天、28天抗压强度最大,在实验结论的基础上分析其强化机理。
The optimum proportion of gypsum and slag is determined by setting four groups of gypsum and slag mix proportions and through compression and bending resistance tests.The experimental results show that the optimum proportion is gypsum 22%,slag 73%,cement clinker 5%,hydrated lime 0.5%;On this basis,the water binder ratio is determined as 0.5,and steam curing is adopted at room temperature to study the influence of different water reducer dosage on the strength of super-sulfate cement.The results show that the compressive strength at 7d and 28d is the highest when the water binder ratio is 0.5 and the water reducer content is 0.8%.The strengthening mechanism is analyzed on the basis of the experimental conclusion.
作者
孙鹏金
Sun Pengjin(School of Civil Engineering,Shenyang Jianzhu University,Shenyang,Liaoning 110000,China)
出处
《黑龙江工业学院学报（综合版）》
2023年第3期82-86,共5页
Journal of Heilongjiang University of Technology(Comprehensive Edition)
基金
国家自然科学基金重点项目(项目编号:52234004)。
关键词
脱硫石膏
矿渣
减水剂
资源化利用
desulfurization gypsum
slag
water-reducing agent
resource utilization
