菱镁矿粉对混凝土性能影响的试验研究

摘要

在C30混凝土基准配合比的基础上,掺入占水泥质量1%~6%的菱镁矿粉,主要研究菱镁矿粉掺量对混凝土体积稳定性、耐久性和抗压强度的影响.结果表明,掺入菱镁矿粉后混凝土的各项性能均有不同程度的提高,其适宜掺量为占水泥质量的4%~5%,为提高混凝土体积稳定性和耐久性提供了一种新的技术措施.%Based on the reference ratio of C30 concrete,magnesite powder with cement mass of 1%~6% was incorporated,and the influence of magnesite powder content on volume stability,durability and compressive strength of concrete was studied. The re-sults showed that the properties of concrete with magnesite powder were improved in different degrees,and the suitable dosage is 4%~5% of the cement mass. A new technical measure was provided to improve the stability and durability of the concrete.