1 Retraction to: Int J Concr Struct Mater (2022) 16:13 https://doi.org/10.1186/s40069-022-00501-3
The authors have retracted this article because the results of Fig. 12 could not be reproduced in further tests. Additional tests show that there was no obvious difference between the micro morphology of D1 and C0, which indirectly proved that the test results in this paper were not reliable. This affects the conclusions of the article.
All authors agree to this retraction.