**4. Conclusions**

Based on the simulations of steady and non-steady states of chloride diffusion in cracked concrete, the effects of crack geometry on the chloride diffusion behavior in cracked concrete were discussed. The following conclusions can be drawn.


**Author Contributions:** Conceptualization, Q.W. and C.G.; methodology, Q.W. and C.G.; software, C.G.; validation, G.Z. and Y.T.; writing—original draft, Q.W. and C.G.; writing—review and editing, G.Z. and Y.T. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was funded by the National Natural Science Foundation of China, grant numbers 52008372 and 51708502.

**Data Availability Statement:** Data are contained within the article.

**Conflicts of Interest:** The authors declare no conflict of interest.
