Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment

The permeable brick pavement system (PBPs) is one of a widely used low impact development (LID) measures to alleviate runoff volume and pollution caused by urbanization. The performance of PBPs on decreasing runoff volume is decided by its permeability, and it was general described by hydraulic cond...

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Autores principales:	Jianying Song, Jianlong Wang, Wenhai Wang, Liuwei Peng, Hongxin Li, Changhe Zhang, Xing Fang
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	darcy's law green-ampt model horton model kostiakov model permeable brick pavement system philip model Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/768cb8585fda4b5aaae97daada261599
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spelling	oai:doaj.org-article:768cb8585fda4b5aaae97daada2615992021-11-23T18:40:48ZComparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment0273-12231996-973210.2166/wst.2021.437https://doaj.org/article/768cb8585fda4b5aaae97daada2615992021-11-01T00:00:00Zhttp://wst.iwaponline.com/content/84/9/2214https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732The permeable brick pavement system (PBPs) is one of a widely used low impact development (LID) measures to alleviate runoff volume and pollution caused by urbanization. The performance of PBPs on decreasing runoff volume is decided by its permeability, and it was general described by hydraulic conductivity based on Darcy's law. But there is large error when using hydraulic conductivity to describe the infiltration of PBPs, and which infiltration process is not following Darcy's law, so it is important to find more accurate infiltration models to describe the infiltration of PBPs. The Horton, Philip, Green-Ampt, and Kostiakov infiltration models were selected to find an optimal model to investigate infiltration performance of PBPs via a laboratory-scale experiment, and the maximum absolute error (MAE), Bias, and coefficient of determination (R2) were selected to evaluate the models' errors via fitting with experiment data. The results showed that the fitting accuracy of Kostiakov, Philip, and Green-Ampt models was significantly affected by the monitoring area and hydraulic gradients. Meanwhile, Horton model fitted well (MAE = 0.25–0.32 cm/h, Bias = 0.07–0.11 cm/h, and R2 = 0.98–0.99) with the experiment data, and the parameters of the Horton model often can be achieved by monitoring, such as the maximum infiltration rate and the stable infiltration rate. Therefore, the Horton model is an optimal model to describe the infiltration performance of PBPs, which can also be adopted to evaluate hydrological characterization of PBPs. HIGHLIGHTS The constant and falling head monitoring methods based on Darcy's law have large error to describe the infiltration process of PBPs.; Horton model is an optimal model used to describe the infiltration process of PBPs, and fits well with experiment data.; Horton model is flexible under different compositions of PBPs, and the parameters of the Horton model are determined based on experiment data which can use for mointoring.;Jianying SongJianlong WangWenhai WangLiuwei PengHongxin LiChanghe ZhangXing FangIWA Publishingarticledarcy's lawgreen-ampt modelhorton modelkostiakov modelpermeable brick pavement systemphilip modelEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 84, Iss 9, Pp 2214-2227 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	darcy's law green-ampt model horton model kostiakov model permeable brick pavement system philip model Environmental technology. Sanitary engineering TD1-1066
spellingShingle	darcy's law green-ampt model horton model kostiakov model permeable brick pavement system philip model Environmental technology. Sanitary engineering TD1-1066 Jianying Song Jianlong Wang Wenhai Wang Liuwei Peng Hongxin Li Changhe Zhang Xing Fang Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
description	The permeable brick pavement system (PBPs) is one of a widely used low impact development (LID) measures to alleviate runoff volume and pollution caused by urbanization. The performance of PBPs on decreasing runoff volume is decided by its permeability, and it was general described by hydraulic conductivity based on Darcy's law. But there is large error when using hydraulic conductivity to describe the infiltration of PBPs, and which infiltration process is not following Darcy's law, so it is important to find more accurate infiltration models to describe the infiltration of PBPs. The Horton, Philip, Green-Ampt, and Kostiakov infiltration models were selected to find an optimal model to investigate infiltration performance of PBPs via a laboratory-scale experiment, and the maximum absolute error (MAE), Bias, and coefficient of determination (R2) were selected to evaluate the models' errors via fitting with experiment data. The results showed that the fitting accuracy of Kostiakov, Philip, and Green-Ampt models was significantly affected by the monitoring area and hydraulic gradients. Meanwhile, Horton model fitted well (MAE = 0.25–0.32 cm/h, Bias = 0.07–0.11 cm/h, and R2 = 0.98–0.99) with the experiment data, and the parameters of the Horton model often can be achieved by monitoring, such as the maximum infiltration rate and the stable infiltration rate. Therefore, the Horton model is an optimal model to describe the infiltration performance of PBPs, which can also be adopted to evaluate hydrological characterization of PBPs. HIGHLIGHTS The constant and falling head monitoring methods based on Darcy's law have large error to describe the infiltration process of PBPs.; Horton model is an optimal model used to describe the infiltration process of PBPs, and fits well with experiment data.; Horton model is flexible under different compositions of PBPs, and the parameters of the Horton model are determined based on experiment data which can use for mointoring.;
format	article
author	Jianying Song Jianlong Wang Wenhai Wang Liuwei Peng Hongxin Li Changhe Zhang Xing Fang
author_facet	Jianying Song Jianlong Wang Wenhai Wang Liuwei Peng Hongxin Li Changhe Zhang Xing Fang
author_sort	Jianying Song
title	Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
title_short	Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
title_full	Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
title_fullStr	Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
title_full_unstemmed	Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
title_sort	comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/768cb8585fda4b5aaae97daada261599
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Comparison between different infiltration models to describe the infiltration of permeable brick pavement system via a laboratory-scale experiment

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