Fig. 9: Biological growth on different cementitious substrates at different exposure durations.

Barnacle and polychaete growth on OPC after (a) 1-month, b 5-month, c 1-year; on RRC (d) 1-month, e 5-month, f 1-year; on AAM (g) 1-month, h 5-month, i 1-year. BSE images of the barnacle shell on different samples (j) RRC, k AAM, l OPC.