Longevity is assumed to be 20 to 30 years for pervious concrete and block pavements, and 15 to 20 years for porous asphalt. Pervious concrete for sustainable development nrmca. Porous pavement, also known as permeable or pervious pavement, is a. Wre, james houle, cpswq university of new hampshire stormwater center university of new hampshire philadelphia low impact development symposium.
For best results, combine these recommendations with those. This technical brief provides an overview of the benefits, limitations and applications of porous asphalt pavements with stone reservoirs. A typical porous pavement has an opengraded surface over an underlying. Porous asphalt pavement performance in cold regions mndot. Pdf water quality and hydrologic performance of a porous.
Open graded friction courses combine the advantages of porous. Engineering overview asphalt pavement is one of americas building blocks. Porous pavement surfaces include, but are not limited to, porous asphalt. Porous pavement operation and maintenance protocol general maintenance the primary goal of porous pavement maintenance is to prevent the pavement surface andor the underlying infiltration bed from being clogged with fine sediments. Montgomery county, maryland department of environmental protection stormwater facility maintenance program. Porous asphalt pavement next to impervious pavement. To keep the system clean throughout the year and prolong its lifespan, the pavement surface should be. Porous asphalt pavements allow for land development plans that are more thoughtful, harmonious with natural processes, and sustainable. Unhsc design specifications for porous asphalt pavement and. Pavement engineering guidance one of the biggest challenges most public agencies face is the ongoing management of their roadway network.
The porous pavement curve number villanova university. Water quality and hydrologic performance of a porous asphalt pavement as a stormwater treatment strategy in a cold climate. Transition to adjacent impervious asphalt pavement shall be merged neatly with flush. Hydrology, design, installation, maintenance and cost below we highlight several websites, publications and presentations that include design, maintenance and cost. Porous asphalt pavements with stone reservoirs are a. Porous pavement smp onesheet pdficon porous pavement maintenance one. Many porous pavements have been constructed since the late 1970s. Pervious concrete, also known as porous, gapgraded, permeable, or enhanced. Pdf guidance for usage of permeable pavement at airports.
The porous pavement curve number thomas ballestero, pe, phd, ph, cgwp, pg, federico uribe, robert roseen, pe, phd, d. Cahill associates has been involved in the design and construction of more than 200 porous asphalt pavements since the 1980s and have reported no failures of pavements for which proper design and construction practices were followed. The porous asphalt pavement specified herein is modified after the national asphalt pavement association napa specification outlined in design, construction, and maintenance guide for porous asphalt pavements, information series 1 2003 and design, construction, and maintenance of opengraded friction courses, information series 115 2002. The infiltration rate of pervious concrete will fall into the range of 2 to 18 gallons. Greening the urban environment 2528 september 2011 1. Local agencies are interested in porous asphalt pavements potential for improved water quality and. Porous pavements combine pavement function with stormwater management in a single. Successful stormwater management plans will combine appropriate materials and. It is important to fully understand the elements that combine to make up. Porous asphalt pavement and infiltration beds design specifications. Cstev porous asphalt spec university of new hampshire. This free online tool allows to combine multiple pdf or image files into a single pdf document. Porous pavements are the fastest developing, most radical, and most. Pdf on oct 15, 2017, james bruinsma and others published.
Unhsc design specifications for porous asphalt pavement. Porous pavement osu extension catalog oregon state university. Considerations for design and construction, as well as maintenance, are discussed. Pervious concrete also called porous concrete, permeable concrete and no fine concrete is a special type of concrete with a high porosity used for concrete flat work applications that allows. Transition to adjacent impervious asphalt pavement shall be merged neatly with flush, clean line.
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