Ecological Upgrade of Normal-Strength Mortars by Using High Volume of GGBS

Figure 7

SEM images of partial GGBS-incorporating 3 d and 28 d mortars: (a) 3 d C10T23W45; (b) 28 d C10T23W45; (c) 3 d C20T23W45; (d) 28 d C20T23W45; (e) 3 d C30T23W45; (f) 28 d C30T23W45; (g) 3 d C20T40W45; (h) 28 d C20T40W45; (i) 3 d C20T23W35; (j) 28 d C20T23W35.