Research Article

Influence of Palm Oil Fuel Ash and W/B Ratios on Compressive Strength, Water Permeability, and Chloride Resistance of Concrete

Figure 4

Chloride ion penetration and the replacement of ground POFA in concrete for W/B ratios of 0.40 and 0.50.
(a) W/B = 0.40
(b) W/B = 0.50