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Case Study - Hong Kong Airport

12/10/2013

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Hong Kong International Airport represents the largest single airfield installation of interlocking concrete pavements. Since most of the airport is on reclaimed land, anticipated settlement required that flexible asphalt pavement be used instead of rigid concrete for runways. Concrete pavers also provide a more fuel-resistant surface than asphalt.


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Water Quality

11/14/2012

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When compared to runoff from an adjoining asphalt lot, permeable pavement exfiltrate contains significantly lower concentrations of phosphorous and zinc, as well as reductions in total nitrogen, and thus provides for better water quality. To further test various permeable pavement designs, a parking lot consisting of four different types of permeable pavements and standard asphalt was constructed in Kinston, NC. The attached PDF evaluates this case study and the water quality improvement as a result of PICP.




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Microclimates - Marshy Roads

10/11/2012

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This study is focused on the implementation of interlocking pavers in marshy roads and high groundwater table terrain. Permeable interlocking concrete pavers were used to combat intrusion of underground/saline water for the road of case study (Akin-Adesola Street, Victoria Island, Lagos). Hydrogeologic data, i.e., groundwater level information for marshy roads terrain including the area of case study was obtained in form of investigation hole/borehole data. Different scientific tests and researches put together show the effectiveness and durability of the modified exfiltration system type of permeable pavement for high ground water table terrain. 


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October 11th, 2012

10/11/2012

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A runoff comparison : quality and quantity

1/10/2012

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Stormwater runoff quality and quantity from asphalt, paver, and crushed stone driveways in Connecticut. This study compared the quality and quantity of stormwater runoff from replicated asphalt, permeable paver, and crushed-stone driveways. 


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Case Study – Failure

1/9/2012

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This Case Study is located along the Paseo de la Princesa in Old San Juan, Puerto Rico. This paseo, or promenade, runs along the base of the historic city walls of Old San Juan, the oldest planned city in the west- ern hemisphere, and is used annually by thousands of tourists and residents alike. 


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Pollution Reduction Capability and Maintenance of Permeable Pavements

1/9/2012

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Permeable pavements of concrete paving-stones for rainwater infiltration are established as a sustainable method for the drainage of traffic areas and for pollutant source control. Various systems for different applications exist. Pollutants like heavy metals and hydrocarbons in the runoff can endanger soil and groundwater, when the they are not sufficiently removed during infiltration. 


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