Fig. 11

Contours of carbon dioxide concentration in the 0.75% PVA fiber concrete component with 6 mm length: a for 7 days, b for 14 days, c for 21 days, and d for 28 days.
Contours of carbon dioxide concentration in the 0.75% PVA fiber concrete component with 6 mm length: a for 7 days, b for 14 days, c for 21 days, and d for 28 days.