酸浸锰渣基双免砖的制备及抗压强度的影响因素研究  

Preparation of acid leaching manganese slag-based non-autoclaved and unburned brick and study on factors influencing compressive strength

作　　者：孙保玉 邱树恒[1] 曾思成[1] 葛特 邓丽娟[1] 钱国权[1] 

机构地区：[1]广西大学材料科学与工程学院,广西南宁530004

出　　处：《新型建筑材料》2016年第9期36-38,72,共4页New Building Materials

基　　金：广西科学研究与技术开发计划项目(桂科重1355002-4)

摘　　要：以酸浸锰渣、粉煤灰、水泥等作为原料,采用压制成型的方法制备酸浸锰渣基双免砖。研究了水固比、成型压力、酸浸锰渣掺量、粉煤灰取代水泥量、养护方式等因素对制品抗压强度的影响规律。结果表明:在本实验条件下,合适的水固比为0.15、成型压力为20 MPa;以抗压强度为考量指标,最佳配比为酸浸锰渣59.5%、水泥35.7%、粉煤灰4.8%,制品28 d抗压强度可达43.4 MPa。In this study, acid leaching manganese slag,fly ash and cement are used to prepare acid leaching manganese slag- based non-autoclaved and unburned manganese slag brick by compression molding process. Factors affecting compressive strength are researched,such as water-solid ratio,molding pressure,acid leaching manganese slag content,fly ash substitution and curing conditions. The result shows：under the experimental conditions,suitable water-solid ratio 0115,molding pressure 20 MPa：considering compressive strength as index,the optimal proportion for acid leaching manganese slag 59.5%,cement 35.7%,fly ash 4.8%,the compressive strength of 28 d can reach 43.4 MPa.

关 键 词：酸浸锰渣 粉煤灰 压制成型 抗压强度 双免砖 

分 类 号：TU522.1[建筑科学—建筑技术科学]