Research Article
Optimization and Hydration Mechanism of Composite Cementing Material for Paste Filling in Coal Mines
Figure 7
XRD spectra of samples at different hydration ages. ★-AFt; ●-C-S-H; ◆-CH; ■-CaCO3; □-SiO2; △-3CaO·3Al2O3·CaSO4. (a) 8 h. (b) 16 h. (c) 1 d. (d) 3 d. (e) 7 d.
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