- 王卓蕾1,2，谢建斌1,3，刘思楠1，张文豪1，赵一锦1
2020年第10期
摘要
引用本文
摘 要：以10%、20%、30%的珊瑚粉等质量取代水泥制备珊瑚-水泥复合胶凝材料，研究了珊瑚粉对水泥胶凝材料标准稠度用水量、凝结时间、水化放热量、胶砂强度、电阻率和吸波性能的影响，并用XRD、SEM方法分析了珊瑚-水泥复合胶凝材料的物相和微观形貌。结果表明：珊瑚粉会使水泥胶凝材料的凝结时间延长，水化放热量减少，对标准稠度用水量影响不明显；珊瑚粉对水泥胶凝材料的力学性能不利，但仍能满足工程建设要求；掺入珊瑚粉后，试件的电阻率下降、导电性能增加、吸波性能降低；珊瑚-水泥复合胶凝材料的主要水化产物与水泥胶凝材料类似，没有新产物生成。
Abstract: Coral-cement composite cementitious materials were prepared by replacing cement with 10%, 20% and 30% coral powder. The effects of coral powder on water consumption of standard consistency, setting time, hydration heat, flexural strength and compressive strength, resistivity and wave absorbing performance of cement cementitious materials were studied. XRD and SEM were used to analyze the phase and microstructure of coral-cement composite cementitious materials. The results show that coral powder prolongs the setting time of cement cementitious materials, reduces the hydration heat, and has no obvious influence on water consumption of standard consistency. Coral powder is unfavorable to the mechanical properties of cement cementitious materials, but it can still meet the needs of engineering construction. After adding coral powder, the resistivity of the specimens decreases, the conductivity increases, and the wave absorbing performance decreases. The main hydration products of coral-cement composite cementitious materials are similar to cement cementitious materials, without new products.
王卓蕾,谢建斌,刘思楠,等.珊瑚-水泥复合胶凝材料性能研究及微观分析[J].混凝土与水泥制品,2020(10):87-90,95.
WANG Z L,XIE J B,LIU S N,et al.Study on Properties and Microanalysis of Coral-cement Composite Cementitious Materials[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(10):87-90,95.
