摘要
研究探讨了普通硅酸盐水泥与硫铝酸盐水泥复合材料的性能,以评估不同掺量对其力学特性和凝结特性的影响。研究中,选用P·O42.5等级普通硅酸盐水泥与硫铝酸盐水泥作为主要原材料,通过改变普通硅酸盐水泥的掺量(0%,10%,20%,30%,40%),制备了不同配比的复合水泥样品。实验包括标准稠度用水量、凝结时间、抗压强度、抗折强度及劈裂抗拉强度测试。结果表明,普通硅酸盐水泥的添加量对复合材料的力学性能和凝结特性具有显著影响。标准稠度用水量在普通硅酸盐水泥掺量为20%时达到最高,凝结时间随着掺量的增加而缩短。抗压强度和抗折强度在掺量为20%时表现最佳,而过高掺量则导致强度下降。劈裂抗拉强度在20%掺量时达到峰值。综上所述,20%为普通硅酸盐水泥最佳添加量,能够有效提升复合材料的整体性能。
In this study,the properties of ordinary portland cement and sulfoaluminate cement composites were investigated to evaluate the effects of different dosages on their mechanical properties and setting characteristics.In this study,P·O42.5 grade ordinary portland cement and special sulphoaluminate cement were selected as the main raw materials,and composite cement samples with different proportions were prepared by changing the dosage of ordinary portland cement(0%,10%,20%,30%,40%).The test includes water consumption of standard consistency,setting time,compressive strength,flexural strength and splitting tensile strength.The results show that the addition amount of portland cement has a significant effect on the mechanical properties and setting characteristics of the composite.The water consumption of standard consistency reaches the highest when the content of Portland cement is 20%,and the setting time decreases with the increase of the content.The compressive strength and flexural strength are the best when the dosage is 20%,but the strength decreases when the dosage is too high.The splitting tensile strength reaches its peak value at 20%.In summary,20% is the best addition amount of ordinary portland cement,which can effectively improve the overall performance of composite materials.
作者
杨泽锋
Yang Zefeng(Fujian Zhanglong Construction Investment Group Co.,Ltd.,Zhangzhou Fujian 363000,China)
出处
《山西建筑》
2024年第22期107-109,148,共4页
Shanxi Architecture
关键词
普通硅酸盐水泥
硫铝酸盐水泥
复合胶凝材料
力学性能
ordinary portland cement
sulfoaluminate cement
composite cementitious material
mechanical property
