The Influence of Aggregate Size and Binder Material on the Properties of Pervious Concrete

Table 1

Experimental variables of the two-stage experiment.

(a)

Experimental variables of Stage 1
Aggregate code and size	A; 0.32 cm	B; 0.48 cm	C; 0.64 cm	D; 0.95 cm
Binder	Cement paste
w/c ratio	0.25 0.35 0.452
Total volume percent of filled voids	50%	60%	70%	80%
Aggregate code and size	B (0.48 cm)

(b)

Experimental variables of Stage 2
Binder	Alkali-activated slag paste	Silica-fume cement paste
Total volume percent of filled voids	80%
L/Sg or w/c ratio	0.35 0.4 0.45	0.35
Substitution ratio	—	10% 20% 30%