石灰石粉对硅酸盐水泥水化的影响

材料科学与工程学报, 2015, 33(2): 185-188.

石灰石粉对硅酸盐水泥水化的影响

刘焕芹 ^1, , 徐志峰 ^2, , 李维滨 ^3, , 马康 ^4,

1.东南大学土木工程学院,江苏南京,210096

2.东南大学土木工程学院,江苏南京,210096

3.东南大学土木工程学院,江苏南京,210096

4.东南大学土木工程学院,江苏南京,210096

关键词：石灰石粉 , 水泥水化 , 水化碳铝酸钙 , 钙矾石

Effect of Limestone Powder on Hydration of Portland Cement

Keywords： limestone power , cement hydration , calcium carboaluminate hydrate , ettringite

石灰石粉被广泛应用到水泥混凝土中,其在水泥体系中是否能产生活性效果仍存在争议.本文通过掺入30％石灰石粉与不掺石灰石粉组进行对比试验,采用扫描电镜(SEM)、能谱分析(EDS)以及X射线衍射分析(XRD)进行微观分析,结果表明:石灰石粉能够加速水泥中C3S的水化,以及能够与C3A反应生成水化碳铝酸钙,并且会阻止钙矾石向单硫型水化硫铝酸钙的转变.

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石灰石粉对硅酸盐水泥水化的影响

Effect of Limestone Powder on Hydration of Portland Cement

参考文献