Permeable paving surfaces allow water to infiltrate into the ground instead of running off into streams, rivers, and lakes. Consequently, the amount of pollutants entering surface water sources is greatly reduced and aquifers are recharged. In addition, permeable paving reduces the heat island effect and helps prevent flooding.
In 2007, Arizona State University used pervious concrete to pave the parking lot in front of the ASU Art Museum in the Nelson Fine Arts Center. Go to http://asusmart.com/projects/materials/asu-art-museum-visitor-parking-lot for an article and an excellent video. Some other excellent videos and information can be found at http://www.perviouspavement.org/Pervious-Pavement-Demo-Video.html.
24 January 2010
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2 comments:
Sandra, this is very interesting. Thanks. I attended a water seminar a few years ago when some folks from ASU spoke on pervious concrete. They stated at the time that they were not certain if this product would work here because of a tendency for siltation during first flush. Have you seen or read anything that suggests they overcame that obstacle? Also, I wonder about using this product over expansive soils that are susceptible to moisture i.e. are there any heaving problems?
Sandra, thanks for posting this information. I didn't know ASU used permeable surfaces in construction- very interesting.
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