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Measurement of Permeability and Comparison of Pavements

1
Department of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, 1304 W. Pennsylvania Avenue, Urbana, IL 61801, USA
2
JW Eco-technology, Ding Tai Co., Ltd. No. 23, Ln. 123, Junying Street, Shulin District, New Taipei City 23878, Taiwan
*
Author to whom correspondence should be addressed.
Water 2019, 11(3), 444; https://doi.org/10.3390/w11030444
Received: 31 January 2019 / Revised: 14 February 2019 / Accepted: 26 February 2019 / Published: 2 March 2019
(This article belongs to the Special Issue Design of Urban Water Drainage Systems)
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Abstract

Permeable pavements have the ability to reduce surface runoff by allowing water to infiltrate into the underlying soil. The potential of permeable pavements to assist in managing stormwater and improve water quality has gained attention as an option, other than conventional impermeable concrete for paving purposes. This study examined the permeability of three different pavement systems, including the JW Eco-technology pavement (JW), which has not previously been installed or studied in the U.S., standard impermeable concrete (IC), and pervious concrete (PC). Each pavement type was installed in triplicate. Devices based on the ASTM C1701/C1701M and ASTM C1781/C1781M constant-head methods, the National Center for Asphalt Technology (NCAT) falling-head permeameter, and two new square frames, SF-4 and SF-9, modified to fit the JW pavement, were utilized for permeability measurement on several locations of each pavement system. The results showed that the JW Eco-technology pavement had comparable permeability to the commonly used PC pavement in each method used. In addition, there was a strong correlation between the permeability measurements of NCAT method and SF-4, and between the ASTM standard and SF-9. The square frames used in this study showed their effectiveness and efficiency in performing permeability measurements. It was also found that the permeability obtained had a pronounced difference in values between the falling head and the constant head methods, with an average ratio ranging from 4.08–6.36. View Full-Text
Keywords: JW Eco-technology; pervious concrete; permeable pavement; impermeable concrete; permeability; ASTM C1701/C1701M; ASTM C1781/C1781M; NCAT permeameter JW Eco-technology; pervious concrete; permeable pavement; impermeable concrete; permeability; ASTM C1701/C1701M; ASTM C1781/C1781M; NCAT permeameter
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Chen, L.-M.; Chen, J.-W.; Chen, T.-H.; Lecher, T.; Davidson, P.C. Measurement of Permeability and Comparison of Pavements. Water 2019, 11, 444.

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