Remediation of Hazardous Effluent Emitted from Beneath Newly Constructed Road Systems and Clogging of Underdrain Systems : Final Report PDF
Preview Remediation of Hazardous Effluent Emitted from Beneath Newly Constructed Road Systems and Clogging of Underdrain Systems : Final Report
SCHOOL OF ENGINEERING CIVIL INDIANA M*VW DEPARTMENT OF TRANSPORTATION H JOINT HIGHWAY RESEARCH PROJECT atassii WSw IriP FHWA/IN/JHRP-96/13 «; ^ . Slss Final Report REMEDIATION OF HAZARDOUS EFFLUENT EMITTED FROM BENEATH NEWLY £&*£ CONSTRUCTED ROAD SYSTEMS AND EHRfef•e.'"". CLOGGING OF UNDERDRAIN SYSTEMS • R. Wukasch b»3& A. Siddiqui BUS &£\ 'f> PURDUE UNIVERSITY FHWA/IN/JHRP-96/13 Final Report REMEDIATION OF HAZARDOUS EFFLUENT EMITTED FROM BENEATH NEWLY CONSTRUCTED ROAD SYSTEMS AND CLOGGING OF UNDERDRAIN SYSTEMS by Ronald F. Wukasch and Adil Siddiqui School of Civil Engineering Purdue University Project No. SPR-2116 File No. 4-7-3 Conducted by the Joint Highway Research Project In Cooperation with the the Indiana Department of Transportation and the U.S. Department of Transportation Federal Highway Administration The contents of this report reflect the views of the authors who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Federal Highway Adminsitration and the Indiana Department of Transportation. This report does not constitute a standard, specification, or regulation. Purdue University West Lafayette, Indiana May, 1996 November, 1996 (Revised) Digitized by the Internet Archive in 2011 with funding from LYRASIS members and Sloan Foundation; Indiana Department of Transportation http://www.archive.org/details/remediationofhazOOwuka TECHNICALREPORTSTANDARDTITLEPAGE 1. ReportNo. 2. GovernmentAccessionNo. 3.Recipient'sCatalogNo. FHWA/LN/JHRP-96/13 4.TitleandSubtitle 5. ReportDate May, 1996;RevisedNovember. 1996 RemediationofHazardousEffluentEmittedfromBeneathNewlyConstructedRoad SystemsandCloggingofUnderdrain Systems 6. PerformingOrganizationCode 7.Authors) 8. PerformingOrganization ReportNo. FHWATN/JHRP-96/13 RonaldF. WukaschandAdil Siddiqui 9. PerformingOrganizationNameandAddress 10.WorkUnitNo. JointHighwayResearchProject 1284CivilEngineeringBuilding PurdueUniversity 11. ContractorGrantNo. SPR-2116 WestLafayette,Indiana 47907-1284 12. SponsoringAgencyNameandAddress 13. TypeofReportandPeriodCovered IndianaDepartmentofTransportation FinalReport StateOfficeBuilding 100NorthSenateAvenue Indianapolis,IN46204 14. SponsoringAgencyCode 15. SupplementaryNotes PreparedincooperationwiththeIndianaDepartmentofTransportationandFederalHighwayAdministration. 16. Abstract TheIndianaDepartmentofTransportation usesrecycledconcretepavementasaggregatefortheconstructionofhighways. Theeffluentfrom thesepavementshasahighpH. ThehighpHeffluentcancausecloggingofdrainsand vegetativekillaroundtheoutlet. Thisprojectlooksinto thesourceoftheeffluentwater,itschemicalcompositionandtheapproximateduration theproblem can beexpectedtopersist. Theprojectalsoinvestigatespossiblemethodsforreductionoftheproblem in futureinstallation. Theapproximateadditionalcostofthese solutionsandtheproblemsassociatedwiththemarediscussedaswell. 17. Keywords 18. DistributionStatement remediation,recycledconcrete,pavement. Norestrictions. Thisdocumentisavailabletothepublicthroughthe NationalTechnicalInformation Service, Springfield, VA22161 19. SecurityClassic(ofthisreport) 20. SecurityClassif.(ofthispage) 21.No.ofPages 22. Price Unclassified Unclassified 82 FormDOTF1700.7(8-69) ACKNOWLEDGEMENTS We would like to thank the Study Advisory Committee which consists of Don Arnold, Youlanda Bewel, Barry Partridge, Tom Vandenpool, David Ward, and Tommy Nantung of the Indiana Department of Transportation, Merritt Hoffmann of the Federal Highway Administration and Rebecca McDaniel of Purdue University. We also wish to thank the Joint Highway Reseach Project for funding this project. TABLE OF CONTENTS List of Figures i List of Tables ii Introduction 1 The Problem 2 Objectives 3 The Cause of the Problem 4 A Typical Pavement Structure 4 Composition of the # 53 Recycled Concrete 5 Hypothesis 5 Experimental Results 6 Confirmation of the Hypothesis 14 Expected Duration of the Problem 14 . Leachability 14 Test Method 15 Results of Leachability Test 16 Field Investigation 17 In-Situ Permeability Test 17 Remediation of the Site 19 Prevention of the Problem in Future Installations 20 Pretreatment 21 Additives to the Recycled Concrete 22 Sealing the Recycled Concrete Layer 24 Reduction in the Permeability of the # 53 Layer 26 Conclusions 37 Bibilography 39 Appendix A Appendix B Appendix C Appendix D 1 LIST OF FIGURES Figure 1 : Section detailing the placement of # 53 recycled concrete. Figure 2 Hydroxide Alkalinity variation with pH. : Figure 3 The carbonate system. : Figure 4 Alkalinity of the recycled concrete : Figure 5 : Calcium ion Concentration in different grades of concrete Figure 6 EDTA-Na Complex molecular structure. : Figure 7 EBT-Mg Complex : Figure 8 Leachability of materials : Figure 9 Sulfur additives : Figure 10 Cross-section of pavement with lean concrete : Figure 1 : Cross-section of pavement with flexible membrane liner Figure 12 Permeameter : Figure 13 Sieve analysis of the # 53 recycled concrete : % Figure 14 Variation in Permeability with Fines : Figure 15 Variation in Permeability with the void ratio : % Figure 16 Variation in void ratio with fines :
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