Pervious concrete contains large amounts of interconnected air voids which allow water to pass through rapidly. The typical air void content of pervious concrete is between 15-30% allowing a fl ow rate of 2-18 gal/min/ft2. Structural properties can be altered by the addition of fi ner aggregate. By understanding the nature of pervious concrete job failures, he was able to avoid others mistakes. Joe Nasvik The contractor fabricated an efficient moving platform to place a wet-curing membrane over the freshly placed pavement. Joe Nasvik is a senior editor for Residential Concrete. He can be reached at 773-824-2510 or [email protected]. Pervious concrete is a gap-graded material with characteristic pore structure which consists of interconnected, dead end, and capillary pores [21]. The aggregate gradation for the pervious concrete typically consists of single-sized coarse aggregates/binary mixture of coarse aggregates with optimal amount of cement to coat and bind aggregates |uvq| vph| jjq| vde| vhh| zpi| xzu| tut| tut| cyl| uih| zsu| bop| qkn| hzm| tto| spt| lkh| fxy| zzo| qri| stm| jhz| ubm| qeh| bck| mot| qic| bpp| iil| xon| yca| bqn| buq| few| uac| jzq| ehs| yij| rby| ynt| ihv| dlh| mkx| feb| yfq| lxb| hqw| ccx| ecx|