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Water hinder the accelerated carbonation

L. Cheng, R. Kurihara, T. Ohkubo, R. Kitagaki, A. Teramoto, Y. Suda, I. Maruyama, Plugging effect of fine pore water in OPC and LC3 paste during accelerated carbonation monitored via single-sided nuclear magnetic resonance spectroscopy, Cem. Concr. Res. 186 (2024) 107688. https://doi.org/10.1016/j.cemconres.2024.107688.

We have a new publication from CCR. It is about the role of water in C–S–H on the progress of carbonation. We elucidate the water evaporation from C–S–H system is the key to the progress of carbonation during accelerate conditions, while it is not in the natural condition. Moisture behavior is visualized by a single-sided 1H NMR relaxometry.

We also investigated in detail the carbonation of LC3 paste system compared with OPC system.

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