Consistency by slump test for all
mixtures was 0 or 1 cm. Three specimens were prepared to determine the individual
mechanical properties. Specimens of pervious concrete were cast with a compacting
rod and specimens of reference mixture by vibrating table. All specimens
were extracted from the moulds 24 h after the casting and placed in a water tank
for 27 days at a temperature of 20 ± 5 C according to EN 12390-2:2009