In order to study the pavement performance of permeable concrete with fly ash , and the effect to the sta-bility of soil subgrade while raining , two pavement models , one is dry and the other is saturated of water , are test-ed.Experiments show that the carrying capacity of dry and saturated permeable concrete with fly ash reachs to 3. 65MPa and 2.82MPa, which could meet the demands of the light load Road .The saturated soil subgrade bared load will result in uneven sink of the road .When the rainfall exceed the water holding capacity of the road structur-al layer , drainage facilities should...
