Pervious concrete is increasingly used in the pavements and overlays subjected to heavy traffic and in
cold weather regions. In the present study, strength, fracture toughness and fatigue life of two types of
pervious concrete, supplementary cementitious material (SCM)-modified pervious concrete (SPC) and
polymer-modified pervious concrete (PPC), are investigated. The results indicate that high strength pervious
concrete (32–46 MPa at 28 days depending upon the porosity) can be achieved through both SCMmodification,
using silica fume (SF) and superplasticizer (SP), and polymer-modification, using polymer
SJ-601. For both SPC and PPC, porosity significantly affects compressive strength, but it has little effect
on the rate of strength development. Flexural strength of pervious concrete is more sensitive to porosity
than compressive strength. Pervious concrete has more significant size effect than conventional concrete.
PPC demonstrates much higher fracture toughness and far longer fatigue life than SPC at any stress level.