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Long-term hydraulic performance of stormwater infiltration systems
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0002-2002-1373
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0003-1725-6478
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0001-5548-4397
2015 (English)In: Urban Water Journal, ISSN 1573-062X, Vol. 12, no 8, p. 660-671Article in journal (Refereed) Published
Abstract [en]

Despite the common use of stormwater infiltration systems, there is still only limited data available evaluating the long-term hydraulic function of such systems. The hydraulic performance of twelve stormwater infiltration systems (vegetated and unvegetated concrete grid pavers, unvegetated interlocking concrete pavers and grassed swales) was therefore investigated in field and laboratory environments in Växjö, Sweden. The systems investigated had not been subjected to regular maintenance to sustain infiltration capacity. Due to this, and the fact that, for most systems, an inappropriate joint filling material was used and (at the swales) there was severe compaction, most systems showed a reduced infiltration capacity. Despite this, especially the older vegetated systems, were still capable of infiltrating intense design rainfalls. This study showed the influence of some factors (type and age of the system, the type of joint filling material (grass and macadam) and the distance from the edge of the pavement) on the long-term behaviour of the infiltration capacity. In conclusion, there is a significant risk that existing stormwater infiltration systems are not working adequately in praxis. Proper implementation of construction and regular control by the inspecting authority has to be ensured.

Place, publisher, year, edition, pages
2015. Vol. 12, no 8, p. 660-671
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-13253DOI: 10.1080/1573062X.2014.949796ISI: 000364942900007Scopus ID: 2-s2.0-84941168338Local ID: c71dcb81-0b82-4547-a773-c55b7e805833OAI: oai:DiVA.org:ltu-13253DiVA, id: diva2:986205
Note
Validerad; 2015; Nivå 2; 20140917 (ahmed)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Al-Rubaei, AhmedViklander, MariaBlecken, Godecke-Tobias

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