Influence of Water-Cement Ratio and Type of Mixing Water on the Early Hydration Performance of Calcium Sulphoaluminate (CSA) Cement

Figure 7

SEM diagrams of CSA cement mixed with different mixing water and w/c ratios. (a) Freshwater with w/c of 0.40 cured for 1 d. (b) Seawater with w/c of 0.40 cured for 1 d. (c) Freshwater with w/c of 0.48 cured for 1 d. (d) Seawater with w/c of 0.48 cured for 1 d. (e) Freshwater with w/c of 0.40 cured for 7 d. (f) Seawater with w/c of 0.40 cured for 7 d. (g) Freshwater with w/c of 0.48 cured for 7 d. (h) Seawater with w/c of 0.48 cured for 7 d.

(a)

(b)

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(d)

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