I understand the fact that when water cement ratio increases, the concrete microstructure will have higher hydrated gel pores. In corrosion studies in reinforced concrete, the porous band has a major impact on the time to crack the cover concrete. However, many research articles claim that the average porous band is considered to be 10-20 micrometers. But it is definitely clear that this porous band of the concrete microstructure should vary with the W/C ratio.
So, does it have a relationship with these two factors or is there anyway to approximate the porous band for known concrete proportions (Like for goven w/c)? If possible let me have some reading materials on this.
Thanks to all who'd like to help me.
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