水泥固化土火山灰反应产物的结构特性

徐菲,葛津宇,韦华,梁嘉辉,李怀森,韩雪松

Structural characteristics of pozzolanic reaction products of cemented soil

Fei XU,Jinyu GE,Hua WEI,Jiahui LIANG,Huaisen LI,Xuesong HAN

表 5 29Si核磁谱分峰拟合后碱激发固化蒙脱土样品各硅聚合态的表征计算结果

Tab.5 Characterization results of silicon polymeric states in alkali-activated cemented bentonite samples obtained from deconvolution of 29Si NMR spectra

样品编号 I(Qn)/% I(Q2(II)) /I(Q2(I)) MCL Q0 Q1 Q2(I) Q2(II) ${\mathrm{Q}}_{\mathrm{a}}^3 $ ${\mathrm{Q}}_{\mathrm{b}}^3 $ ${\mathrm{Q}}_{\mathrm{c}}^3 $ Q4 Mt7.5N 2.7 3.6 5.6 13.0 25.4 23.4 22.5 1.9 2.3 12.5 Mt25N 15.0 36.0 1.3 24.8 16.2 5.5 0.0 1.3 19.2 3.5 Mt7.5K 2.4 2.3 9.2 10.2 21.6 42.1 10.9 1.3 1.1 18.9 Mt25K 7.1 14.5 9.9 38.0 15.2 14.7 0.0 0.5 3.8 8.6