Abstract
AbstractThe ASTM method for measuring the infiltration rate of in-place pervious concrete provides limited guidance on how to select test locations and how results should be interpreted to assess surface condition and maintenance needs. The ASTM method is written specifically for pervious concrete, so additional research is needed to determine the applicability of this method to other permeable pavement types. In 2009, the U.S. Environmental Protection Agency constructed a 0.4-ha parking lot surfaced with permeable interlocking concrete pavers (PICP), pervious concrete (PC), and porous asphalt (PA). Surface infiltration testing was conducted for almost three years, and two methods were used to select test locations: monthly testing at randomly selected locations and quarterly testing at fixed locations. Infiltration rates were significantly different for each pavement type. With almost three years of use, maintenance has yet to be required, although infiltration has decreased in areas immediately downgrad...
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