Effects of Nanosilica on Compressive Strength and Durability Properties of Concrete with Different Water to Binder Ratios

Figure 8

(a) Example of carbonation depth as a function of square root of time of exposure at 4% CO₂ and interpolated lines for trowelled surface of reference and 1.5% addition into concrete with . Carbonation coefficients of (b) trowelled and (c) mould surface of concrete as a function of NS content.

(a)

(b)

(c)