Field evaluation of a geotextile filter for stormwater runoff control-Reference-Cited by-同舟云学术

Field evaluation of a geotextile filter for stormwater runoff control

Published:2015-08 Issue:4 Volume:22 Page:288-300
ISSN:1072-6349
Container-title:Geosynthetics International
language:en
Short-container-title:Geosynthetics International

Author:

Franks C.¹,Koebler J.²,Myers R.³,Hatipoglu M.⁴,Davis A. P.⁵,Aydilek A. H.⁶

Affiliation:

1. Civil Engineer, AECOM, Inc., 2101 Wilson Boulevard. Suite 800, Arlington, VA 22201, USA, Telephone: +1 703 340 3079; Telefax: +1 703 340 3101;

2. Design Engineer, Alvi Associates, Inc., 110 West Road, Suite 250, Towson, MD 21204, USA, Telephone: +1 410 321 8877; Telefax: +1 410 321 8970;

3. Graduate Research Assistant, Department of Civil and Environmental Engineering, University of Maryland, 1173 Martin Hall, College Park, MD 20742, USA, Telephone: +1 301 405 1958; Telefax: +1 301 405 2585;

4. Research Assistant, Department of Civil Engineering, Istanbul Technical University, Ayazaga, Istanbul, Turkey, Telephone: +90 212 285 3702; Telefax: +90 212 285 6587;

5. Professor, Department of Civil and Environmental Engineering, University of Maryland, 1151 Martin Hall, College Park, MD 20742, USA, Telephone: +1 301 405 1958; Telefax: +1 301 405 2585;

6. Professor, Department of Civil and Environmental Engineering, University of Maryland, 1163 Martin Hall, College Park, MD 20742, USA, Telephone: +1 301 314 2692; Telefax: +1 301 405 2585;

Abstract

ABSTRACT: As urbanisation and land development rapidly increase, water quality stress due to urban stormwater runoff is becoming an increasingly prominent problem. Although a variety of technologies exist to improve urban runoff quality, ultra-urban areas pose a specific challenge. Geotextile filters, which are easy to maintain and have a long lifespan, can be an alternative to sand filters in urban areas as demonstrated in previous laboratory studies. This study examines the field effectiveness of a geotextile filter as a means of stormwater runoff treatment in Maryland. The results indicate that the filter is able to significantly reduce total suspended solids (TSS) concentrations in parking lot stormwater. Of the 18 storms analysed for TSS, 16 demonstrated an event mean concentration (EMC) less than the target value of 25 mg/l. However, no significant reduction of total phosphorus EMC occurred through the filters. Porosities and characteristic pore opening sizes of the field-exhumed geotextiles dropped 65–82%, accompanied by comparable permittivities; however, the final hydraulic conductivities of the field-exhumed geotextiles were still 25 times higher than that of a typical unclogged uniform sand. Stormwater TSS geotextile modelling developed in an earlier study was successful in predicting hydraulic conductivity decrease in the field.

Publisher

Thomas Telford Ltd.

Subject

Geotechnical Engineering and Engineering Geology,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/gein.15.00012

Reference30 articles.

1. Digital Image Analysis to Determine Pore Opening Size Distribution of Nonwoven Geotextiles

2. Fate of phosphorus fractions in an adsorptive-filter subject to intra- and inter-event runoff phenomena

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