Hydration of Early Age Cement Paste with Nano-CaCO₃ and SAP by LF-NMR Spectroscopy: Mechanism and Prediction

Figure 3

Schematic diagram of hydration process. (a) First wave crest amplitude of (T₂) signal. (b) The first peak amplitude A(t) in unit mass changes with time. (c) Second-order differential of A(t).

(a)

(b)

(c)