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Pervious Concrete Physical Characteristics and Effectiveness in Stormwater Pollution Reduction Say Kee Ong Iowa State University, [email protected]

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Pervious Concrete Physical Characteristics and Effectiveness in Stormwater Pollution Reduction Say Kee Ong Iowa State University, Skong@Iastate.Edu Iowa State University Digital Repository @ Iowa State University InTrans Project Reports Institute for Transportation 4-2016 Pervious Concrete Physical Characteristics and Effectiveness in Stormwater Pollution Reduction Say Kee Ong Iowa State University, [email protected] Kejin Wang Iowa State University, [email protected] Yifeng Ling Iowa State University, [email protected] Guyu Shi Iowa State University, [email protected] Follow this and additional works at: http://lib.dr.iastate.edu/intrans_reports Part of the Civil Engineering Commons Recommended Citation Ong, Say Kee; Wang, Kejin; Ling, Yifeng; and Shi, Guyu, "Pervious Concrete Physical Characteristics and Effectiveness in Stormwater Pollution Reduction" (2016). InTrans Project Reports. Paper 197. http://lib.dr.iastate.edu/intrans_reports/197 This Report is brought to you for free and open access by the Institute for Transportation at Digital Repository @ Iowa State University. It has been accepted for inclusion in InTrans Project Reports by an authorized administrator of Digital Repository @ Iowa State University. For more information, please contact [email protected]. Pervious Concrete Physical Characteristics and Effectiveness in Stormwater Pollution Reduction Final Report April 2016 Sponsored by Midwest Transportation Center U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology About MTC The Midwest Transportation Center (MTC) is a regional University Transportation Center (UTC) sponsored by the U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (USDOT/OST-R). The mission of the UTC program is to advance U.S. technology and expertise in the many disciplines comprising transportation through the mechanisms of education, research, and technology transfer at university-based centers of excellence. Iowa State University, through its Institute for Transportation (InTrans), is the MTC lead institution. About InTrans The mission of the Institute for Transportation (InTrans) at Iowa State University is to develop and implement innovative methods, materials, and technologies for improving transportation efficiency, safety, reliability, and sustainability while improving the learning environment of students, faculty, and staff in transportation-related fields. ISU Non-Discrimination Statement Iowa State University does not discriminate on the basis of race, color, age, ethnicity, religion, national origin, pregnancy, sexual orientation, gender identity, genetic information, sex, marital status, disability, or status as a U.S. veteran. Inquiries regarding non-discrimination policies may be directed to Office of Equal Opportunity, Title IX/ADA Coordinator, and Affirmative Action Officer, 3350 Beardshear Hall, Ames, Iowa 50011, 515-294-7612, email [email protected]. Notice The contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the information presented herein. The opinions, findings and conclusions expressed in this publication are those of the authors and not necessarily those of the sponsors. This document is disseminated under the sponsorship of the U.S. DOT UTC program in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in this document. This report does not constitute a standard, specification, or regulation. The U.S. Government does not endorse products or manufacturers. If trademarks or manufacturers’ names appear in this report, it is only because they are considered essential to the objective of the document. Quality Assurance Statement The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. The FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement. Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No. 4. Title and Subtitle 5. Report Date Pervious Concrete Physical Characteristics and Effectiveness in Stormwater April 2016 Pollution Reduction 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Say Kee Ong, Kejin Wang, Yifeng Ling, and Guyu Shi 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) Institute for Transportation Iowa State University 11. Contract or Grant No. 2711 South Loop Drive, Suite 4700 DTRT13-G-UTC37 Ames, IA 50010-8664 12. Sponsoring Organization Name and Address 13. Type of Report and Period Covered Midwest Transportation Center U.S. Department of Transportation Final Report 2711 S. Loop Drive, Suite 4700 Office of the Assistant Secretary for 14. Sponsoring Agency Code Ames, IA 50010-8664 Research and Technology 1200 New Jersey Avenue, SE Washington, DC 20590 15. Supplementary Notes Visit www.intrans.iastate.edu for color pdfs of this and other research reports. 16. Abstract The objective of this research was to investigate the physical/chemical and water flow characteristics of various previous concrete mixes made of different concrete materials and their effectiveness in attenuating water pollution. Four pervious concrete mixes were prepared with Portland cement and with 15% cementitious materials (slag, limestone powder, and fly ash) as a Portland cement replacement. All four pervious concrete mixtures had acceptable workability. The unit weight of the fresh pervious concrete mixtures ranged from 115.9 lb/yd3 to 119.6 lb/yd3, while the 28 day compressive strength of the pervious concrete mixes ranged from 1858 psi (mix with 15% slag) to 2285 psi (pure cement mix). The compressive strength generally increased with unit weight and decreased with total porosity (air void ratio). The permeability of the four mixes generally decreased with unit weight and increased with total porosity. The permeability coefficients ranged from 340 in./hr for the pure cement mix to 642 in./hr for the mix with 15% slag. The total porosities of the four pervious concrete mixes ranged from 24.00% (mix with 15% slag) to 31.41% (pure cement mix) as measured by the flatbed scanner test method, while the porosities ranged from 18.93% (mix with 15% slag) to 24.15% (pure cement mix) as measured by the RapidAir method. The total porosities of the four pervious concrete mixes measured by the flatbed scanner method were higher than those measured by the Rapid Air method, but the specific surface areas measured by the flatbed scanner method were all lower than those measured by the Rapid Air method. For the pollution abatement experiments, mixes with fly ash and limestone powder removed about 30% of the input naphthalene concentration, while the mix with slag only removed 0.5% of the influent naphthalene concentration. The water volume balance showed that less than 1% of the water added was retained in the experimental column setup. 17. Key Words 18. Distribution Statement abatement—binders—pervious concrete—stormwater pollution No restrictions. 19. Security Classification (of this 20. Security Classification (of this 21. No. of Pages 22. Price report) page) Unclassified. Unclassified. 57 NA Form DOT F 1700.7 (8-72) Reproduction of completed page authorized PERVIOUS CONCRETE PHYSICAL CHARACTERISTICS AND EFFECTIVENESS IN STORMWATER POLLUTION REDUCTION Final Report April 2016 Principal Investigator Say Kee Ong, Professor Institute for Transportation, Iowa State University Co-Principal Investigator Kejin Wang, Professor Institute for Transportation, Iowa State University Research Assistants Guyu Shi and Yifeng Ling Authors Say Kee Ong, Kejin Wang, Yifeng Ling, and Guyu Shi Sponsored by the Midwest Transportation Center and the U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology A report from Institute for Transportation Iowa State University 2711 South Loop Drive, Suite 4700 Ames, IA 50010-8664 Phone: 515-294-8103 Fax: 515-294-0467 www.intrans.iastate.edu TABLE OF CONTENTS ACKNOWLEDGMENTS ............................................................................................................ vii EXECUTIVE SUMMARY ........................................................................................................... ix 1 INTRODUCTION ........................................................................................................................1 1.1 Research Background ....................................................................................................1 1.2 Research Objectives .......................................................................................................1 2 LITERATURE REVIEW .............................................................................................................2 2.1 Introduction ....................................................................................................................2 2.2 Pervious Concrete Mix ..................................................................................................2 2.3 Consolidation of Pervious Concrete ..............................................................................4 2.4 Physical Characterization...............................................................................................4 2.5 Mixture Design Research ...............................................................................................9
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