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TECHNICAL PAPER

It is noted that the most critical diameters of the references micromorphology are generated in pastes after
including P00 and PLS00 have few decrease at 365 days rehydration reaction.
compared with the critical diameters at 90 days in terms of
Figure 6 - 7 though the rehydration degree and compressive 5. ACKNOWLEDGMENTS
strength of them have marked increase after 90 days. On the This study was funded by the key project of Natural Science
one hand, it may be because that the late age rehydration Foundation of Anhui Polytechnic University (Xjky2022165), the
degree of paste is obviously lower than early age hydration Start Fund of Talent Introduction of Anhui Polytechnic University
degree after all [18] . In addition, the effect of cement hydration on (2021YQQ062) and the Natural Science Research Project of
the pore size refinement of paste is evidently inferior to that of Universities in Anhui Province (KJ2021A0504).
MK reaction [35] . The outstanding increased compressive strength
of the references at late ages may be attributed to apparently Conflicts of Interest : The authors declare no conflict of interest.
enhanced interfacial transfer zone (ITZ) of mortars by rehydration
reaction [36] . REFERENCES

3.5 Microstructures [1] Yu, R., Spiesz, P., and Brouwers, H. J. H. (2014). “Mix design
and properties assessment of ultra-high performance fiber
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Le, T. T. (2009). “Influence of aggregate and curing regime
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[6] Huang, H., Gao, X., Wang, H., and Ye, H. (2017). “Influence
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high performance concrete”, Construction and Building
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[7] Vigneshwari, M., Arunachalam, K., and Angayarkanni, A.
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3. Cement hydration and MK reaction commonly constituted
[8] Tafraoui, A., Escadeillas, G., Lebaili, S., and Vidal, T. (2009).
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[9] Tafraoui, A., Escadeillas, G., and Vidal, T. (2016). “Durability
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under 10 μm of pastes but also promote generating metakaolin”, Construction and Building Materials, Vol. 112,
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