1 / 18

Developing Re-Use Applications and Improving the Economic Benefits of Florida’s Waste Materials

Developing Re-Use Applications and Improving the Economic Benefits of Florida’s Waste Materials. By Paul J. Cosentino, Ph.D., P.E. Howell H. Heck, III, Ph.D., P.E. Background. Florida stockpiles large volumes of waste or recyclable materials Examples: Waste Glass RAP

emiko
Download Presentation

Developing Re-Use Applications and Improving the Economic Benefits of Florida’s Waste Materials

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Developing Re-Use Applications and Improving the Economic Benefits of Florida’s Waste Materials By Paul J. Cosentino, Ph.D., P.E. Howell H. Heck, III, Ph.D., P.E.

  2. Background • Florida stockpiles large volumes of waste or recyclable materials • Examples: • Waste Glass • RAP • Concrete Rubble and Dust • Waste-to-Energy Ash • Engineering characteristics of these materials may be improved by adding common fill

  3. Background (Cont.) • Proper re-use would produce savings for Florida’s construction and landfill industries • Florida’s construction boom has caused a large demand for quality fill • Engineering properties of RAP improved by adding sand • Blending is common practice and often economical

  4. Objective • Evaluate Florida’s candidate waste materials and improve their engineering behavior by adding conventional fill to make them economically attractive

  5. Approach • Two year project • Nine Tasks to Accomplish Objectives

  6. Flow Chart Identify Re-Usable Waste Streams Identify Engineering Environmental and Economic Conditions Reject Sample Waste Materials Accept Dry Rodded Unit Weight Evaluation Reject g Mix % Accept Fundamental Geotechnical Testing and Analysis of Blends Reject Consistency and Economic Impact Reject Accept Landfill Applications

  7. Explanation of Tasks • 1 – Identify Candidate Waste Materials • 2 – Sampling • 3 – Fundamental Geotechnical Testing • 4 – Analysis of Testing • 5 – Waste-Soil Mixing Program • 6 – Waste-Soil Geotechnical Testing • 7 – Analysis of Mixing Results • 8 – Economic Impact of Re-Usable Materials • 9 – Reporting, TAG Meetings & Specifications

  8. Major Tasks • Year 1 • Select candidate materials from facilities statewide • Perform fundamental geotechnical testing • Choose materials with minimal environmental concerns • RAP, waste glass and concrete rubble and dust • Year 2 • Perform Mixing Analysis • Evaluate Economics • Complete specifications describing proper use

  9. Proposed Schedule

  10. Expected Technical Results • Geotechnical engineering data base • Summary of economic impact for re-using these materials • Specifications

  11. Anticipated Benefits • Two end users groups will benefit: • Contractors who use soils and borrow materials in highway construction • Landfill operators at solid waste or construction and demolition landfills • Suitable fill is becoming costly. Providing more choices, will control costs and save money. • Re-use of waste materials diverts them from the waste stream, and reduces landfilling costs & increases landfill space.

  12. Related Work • A significant database of information exists to expedite the proposed work • Waste products have engineering properties that fall short of those needed for re-use in highways • Waste-to-energy ash • Waste-glass • RAP

  13. Follow-up • FDOT has funded over a decade work in this area without concentrating on economics. • A $261,000 24-month proposal has been funded to continue work on RAP and RAP-soil mixes. • The funding request to the FCSHWM is considered a supplement to the FDOT work.

  14. Year 1 Budget

  15. Year 2 Budget

  16. Technical Awareness Group & Peer Reviewers • David Horhota, Ph.D., P.E. State Geotechnical Materials Engineer, FDOT, david.horhota@dot.state.fl.us • John Shoucair Geotechnical Materials Engineer, FDOT, john.shoucair@dot.state.fl.us • David Westcott, Technical Service Manager Florida Region, CEMEX Corp., david.westcott@cemexusa.com • Chris Brunais, Area Manager, APAC-Florida Melbourne Div. clbrunais@ashland.com • Suzanne Boroff FDEP suzanne.boroff@dep.state.fl.us • Jim Langenbach, P.E. Senior Engineer, GeoSyntec Consultants, jlangenbach@geosyntec.com

  17. Summary • Waste Materials can be re-used in Highways • Economic Benefits to Construction Industry • Economic Benefits to the Solid Waste Industry • Environmental Benefits to the Public

  18. Questions?

More Related