【摘要】 在粉煤灰、铜矿尾砂、混凝污泥、高岭土的性质研究的基础上,以其为主要原料,实验结果表明:质量百分比分别为粉煤灰28.28%、铜矿尾砂28.28%、高岭土14.13%、氢氧花钠6.36%、混凝污泥3.5%、三聚磷酸钠1.05%、水玻璃18.4%制得的土聚水泥,7d抗压强度达28.46MPa,具有很好的耐酸碱和耐火性能。对所制备土聚水泥用XRD、SEM和DAT等手段,分析了土聚水泥的反应机理。更多还原

【Abstract】 After the study of their properties,copper mine tailings,kaolin and fly ash were calcined and then used as the main ingredients to prepare geopolymeric cement with the admixture of NaOH,Na2SiF6,(NaPO4)3,Na2SiO3 and water.It is indicated that geopolymeric cement obtained from a batch of 28.28% of fly ash,28.28% of copper mine tailings,14.13% of kaolin,6.36% of sodium hydroxide,3.5% of coagulation sludge,1.06% of sodium tripolyphosphate and 18.4% sodium silicate has good acid and fire resistance and its 7d compressive strength is 28.46MPa,The reaction mechanism of geopolymeric cement was analysed by XRD,SEM and DTA.更多还原