Evaluation of Plant-Produced High-Percentage RAP Mixtures in the Northeast

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General Information
Study Number: TPF-5(230)
Lead Organization: New Hampshire Department of Transportation
Solicitation Number: 1261
Partners: MDOT SHA, NHDOT, NJ, NY, PADOT, RI, VA
Status: Closed
Est. Completion Date:
Contract/Other Number:
Last Updated: Aug 23, 2016
Contract End Date:
Financial Summary
Contract Amount:
Total Commitments Received: $631,575.00
100% SP&R Approval: Approved
Contact Information
Lead Study Contact(s): Ann Scholz
ann.scholz@dot.nh.gov
Phone: 603-271-1659
FHWA Technical Liaison(s): Audrey Copeland
audrey.copeland@dot.gov
Phone: 202.493.0341
Organization Year Commitments Technical Contact Name Funding Contact Name Contact Number Email Address
Maryland Department of Transportation State Highway Administration 2011 $30,000.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
Maryland Department of Transportation State Highway Administration 2012 $30,000.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
Maryland Department of Transportation State Highway Administration 2013 $30,000.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
Maryland Department of Transportation State Highway Administration 2015 $14,300.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
New Hampshire Department of Transportation 2010 $30,000.00 Alan Rawson Ann Scholz 603-271-1659 ann.scholz@dot.nh.gov
New Hampshire Department of Transportation 2011 $30,000.00 Alan Rawson Ann Scholz 603-271-1659 ann.scholz@dot.nh.gov
New Hampshire Department of Transportation 2012 $30,000.00 Alan Rawson Ann Scholz 603-271-1659 ann.scholz@dot.nh.gov
New Jersey Department of Transportation 2010 $0.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New Jersey Department of Transportation 2011 $90,000.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New Jersey Department of Transportation 2012 $0.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New Jersey Department of Transportation 2013 $0.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New York State Department of Transportation 2010 $30,000.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
New York State Department of Transportation 2011 $30,000.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
New York State Department of Transportation 2012 $30,000.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
New York State Department of Transportation 2014 $48,675.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
Pennsylvania Department of Transportation 2010 $30,000.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Pennsylvania Department of Transportation 2011 $30,000.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Pennsylvania Department of Transportation 2012 $30,000.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Pennsylvania Department of Transportation 2014 $14,300.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Rhode Island Department of Transportation 2013 $0.00
Virginia Department of Transportation 2011 $30,000.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov
Virginia Department of Transportation 2012 $30,000.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov
Virginia Department of Transportation 2013 $30,000.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov
Virginia Department of Transportation 2014 $14,300.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov

Study Description

Production of HMA mixtures with higher percentages of RAP is gaining more attention as a way to save money and more efficiently utilize existing resources. Many state agencies and contractors are very comfortable using RAP percentages of 10-15%. However, questions about low temperature performance and the need to bump binder grades limit the amount of HMA produced with greater than 15-20% RAP in many areas of the northeast US. A previous study presented at the 2010 TRB Annual Meeting performed an evaluation of extracted binder properties for various batch-plant-produced HMA mixtures containing 0-25% RAP. The general conclusion was that binder bumping was not necessary at the 20% RAP level for the mixtures evaluated.

The pooled-fund study proposed herein will expand on the initial work by including higher RAP percentages, drum and batch plants, and mixture testing. Testing of plant-produced mixtures will allow for evaluation of blending and the impact of higher RAP percentages on material properties and performance. Mixture testing will also be expanded to evaluate moisture susceptibility of the mixtures containing RAP. The proposed work will complement an ongoing FHWA evaluation being conducted by the North Central Superpave Center, and other research projects across the country.

Objectives

The objectives of this research are to:

1. Evaluate the performance of plant-produced RAP mixtures in terms of low temperature cracking, fatigue cracking, and moisture sensitivity in the laboratory and the field

2. Establish guidelines on when it is necessary to bump binder grades with RAP mixtures

3. Provide further understanding of the blending that occurs between RAP and virgin binder in plant-produced mixtures

Scope of Work

The URL for the draft scope-of-work is provided below. The scope will be modified upon identification of project partners.

The research plan is broken down into two phases. Phase I will focus on evaluating the effects of binder grade and plant type on the properties of mixtures with various percentages of RAP. Phase II will be geared towards evaluating the amount of blending that occurs between the virgin and RAP binders. The testing and results of Phase I will be used to inform the testing matrix and final plan to be developed for Phase II.

Contractors from participating states will be asked to provide plant-produced mix for testing. Table 2 in the draft scope-of-work shows a summary of producers that have already volunteered to participate in this study and detail on the mixtures they are willing to produce. Additional producers will be solicited to ensure that at least one producer from each participating state is represented.

Comments

The draft scope and budget assumes a minimum of six to seven states participating. A total commitment of $90,000 per state is requested. Commitments may be spread over a three (3) year period. Target participants include states located in the Northeast Asphalt User/Producer Group (NEAUPG) region, Virginia, and NC. Initial stages of work will proceed in CY 2010 based on current commitments.

Documents Attached
Title File/Link Type Private Download
Phase II Report TPF 5(230) Phase II Report.pdf Final Report Public
Effect of Silo Storage Time - Final Report Silo Storage Time Final Report.pdf Final Report Public
Phase III Final Report TPF 5(230) Phase III Final Report.pdf Final Report Public
Phase I Final Report TPF 5(230) Phase I Final Report.pdf Final Report Public
Acceptance Memo TPF-5(230)AcceptanceMemo.pdf Memorandum Public
TPF-5(230) Closeout Letter TPF-5(230) Closeout Letter - Signed.pdf Memorandum Public
Northeast Asphalt User/Producer Group Presentation - October 2011 NEAUPG High RAP Pooled Fund Study Update Oct 11.pdf Other Public
RAP ETG Meeting Presentation - July 24, 2012 High RAP Pooled Fund Update RAP ETG Meeting July 2012.pdf Other Public
Northeast Asphalt User/Producer Group Presentation - October 2012 NEAUPG High RAP Pooled Fund Update Oct 2012.pdf Other Public
TRB 2015 Annual Meeting Poster Presentation TRB 2015 Poster.pdf Other Public
TRB 2016 Annual Meeting Paper Submission Evaluation of Silo Storage Time on the Characteristics of Virgin and RAP Asphalt Mixtures.pdf Other Public
Webinar slides from closeout meeting - April 19, 2016 High RAP Pooled Fund Closeout Meeting April 19 2016.pdf Other Public
TPF-5(230) Closeout Funding Spreadsheet TPF-5(230) Close Out Funding Spreadsheet.pdf Other Public
Quarterly Progress Report: August - December 2010 2010Q4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2011 2011Q1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2011 TPF-5(230)2011-06.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2011 High RAP TPF 5(230) 2011 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2011 High RAP TPF 5(230) 2011 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2012 High RAP TPF 5(230) 2012 QR1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2012 High RAP TPF 5(230) 2012 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2012 High RAP TPF 5(230) 2012 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2012 High RAP TPF 5(230) 2012 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2013 High RAP TPF 5(230) 2013 QR1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2013 High RAP TPF 5(230) 2013 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2013 High RAP TPF 5(230) 2013 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2013 High RAP TPF 5(230) 2013 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2014 High RAP TPF 5(230) 2014 QR1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2014 High RAP TPF 5(230) 2014 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2014 High RAP TPF 5(230) 2014 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2014 High RAP TPF 5(230) 2014 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2015 High RAP TPF 5(230) 2015 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2015 High RAP TPF 5(230) 2015 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2015 High RAP TPF 5(230) 2015 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2016 High RAP TPF 5(230) 2016 QR1.pdf Quarterly Progress Report Public
Draft AAPT Paper on Phase I results Plant Produced RAP AAPT Final Draft.pdf Report Public
TRB 2015 Annual Meeting Paper Submission TRB 2015 Paper Presentation.pdf Report Public

Evaluation of Plant-Produced High-Percentage RAP Mixtures in the Northeast

General Information
Study Number: TPF-5(230)
Lead Organization: New Hampshire Department of Transportation
Solicitation Number: 1261
Partners: MDOT SHA, NHDOT, NJ, NY, PADOT, RI, VA
Status: Closed
Est. Completion Date:
Contract/Other Number:
Last Updated: Aug 23, 2016
Contract End Date:
Financial Summary
Contract Amount:
Total Commitments Received: $631,575.00
100% SP&R Approval:
Contact Information
Lead Study Contact(s): Ann Scholz
ann.scholz@dot.nh.gov
Phone: 603-271-1659
FHWA Technical Liaison(s): Audrey Copeland
audrey.copeland@dot.gov
Phone: 202.493.0341
Commitments by Organizations
Organization Year Commitments Technical Contact Name Funding Contact Name Contact Number Email Address
Maryland Department of Transportation State Highway Administration 2011 $30,000.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
Maryland Department of Transportation State Highway Administration 2012 $30,000.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
Maryland Department of Transportation State Highway Administration 2013 $30,000.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
Maryland Department of Transportation State Highway Administration 2015 $14,300.00 Allison Hardt Allison Hardt 410-545-2916 ahardt@mdot.maryland.gov
New Hampshire Department of Transportation 2010 $30,000.00 Alan Rawson Ann Scholz 603-271-1659 ann.scholz@dot.nh.gov
New Hampshire Department of Transportation 2011 $30,000.00 Alan Rawson Ann Scholz 603-271-1659 ann.scholz@dot.nh.gov
New Hampshire Department of Transportation 2012 $30,000.00 Alan Rawson Ann Scholz 603-271-1659 ann.scholz@dot.nh.gov
New Jersey Department of Transportation 2010 $0.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New Jersey Department of Transportation 2011 $90,000.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New Jersey Department of Transportation 2012 $0.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New Jersey Department of Transportation 2013 $0.00 Eileen Connolly Edward Kondrath 609-530-2058 Ed.Kondrath@dot.state.nj.us
New York State Department of Transportation 2010 $30,000.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
New York State Department of Transportation 2011 $30,000.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
New York State Department of Transportation 2012 $30,000.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
New York State Department of Transportation 2014 $48,675.00 Zoeb Zavery Gary Frederick 518-457-4645 gary.frederick@dot.ny.gov
Pennsylvania Department of Transportation 2010 $30,000.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Pennsylvania Department of Transportation 2011 $30,000.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Pennsylvania Department of Transportation 2012 $30,000.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Pennsylvania Department of Transportation 2014 $14,300.00 Tim Ramirez Lisa Tarson (717) 705-2202 ltarson@pa.gov
Rhode Island Department of Transportation 2013 $0.00
Virginia Department of Transportation 2011 $30,000.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov
Virginia Department of Transportation 2012 $30,000.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov
Virginia Department of Transportation 2013 $30,000.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov
Virginia Department of Transportation 2014 $14,300.00 Stacey Diefenderfer Bill Kelsh 434-293-1934 Bill.Kelsh@VDOT.Virginia.gov

Study Description

Study Description

Production of HMA mixtures with higher percentages of RAP is gaining more attention as a way to save money and more efficiently utilize existing resources. Many state agencies and contractors are very comfortable using RAP percentages of 10-15%. However, questions about low temperature performance and the need to bump binder grades limit the amount of HMA produced with greater than 15-20% RAP in many areas of the northeast US. A previous study presented at the 2010 TRB Annual Meeting performed an evaluation of extracted binder properties for various batch-plant-produced HMA mixtures containing 0-25% RAP. The general conclusion was that binder bumping was not necessary at the 20% RAP level for the mixtures evaluated.

The pooled-fund study proposed herein will expand on the initial work by including higher RAP percentages, drum and batch plants, and mixture testing. Testing of plant-produced mixtures will allow for evaluation of blending and the impact of higher RAP percentages on material properties and performance. Mixture testing will also be expanded to evaluate moisture susceptibility of the mixtures containing RAP. The proposed work will complement an ongoing FHWA evaluation being conducted by the North Central Superpave Center, and other research projects across the country.

Objectives

The objectives of this research are to:

1. Evaluate the performance of plant-produced RAP mixtures in terms of low temperature cracking, fatigue cracking, and moisture sensitivity in the laboratory and the field

2. Establish guidelines on when it is necessary to bump binder grades with RAP mixtures

3. Provide further understanding of the blending that occurs between RAP and virgin binder in plant-produced mixtures

Scope of Work

The URL for the draft scope-of-work is provided below. The scope will be modified upon identification of project partners.

The research plan is broken down into two phases. Phase I will focus on evaluating the effects of binder grade and plant type on the properties of mixtures with various percentages of RAP. Phase II will be geared towards evaluating the amount of blending that occurs between the virgin and RAP binders. The testing and results of Phase I will be used to inform the testing matrix and final plan to be developed for Phase II.

Contractors from participating states will be asked to provide plant-produced mix for testing. Table 2 in the draft scope-of-work shows a summary of producers that have already volunteered to participate in this study and detail on the mixtures they are willing to produce. Additional producers will be solicited to ensure that at least one producer from each participating state is represented.

Comments

The draft scope and budget assumes a minimum of six to seven states participating. A total commitment of $90,000 per state is requested. Commitments may be spread over a three (3) year period. Target participants include states located in the Northeast Asphalt User/Producer Group (NEAUPG) region, Virginia, and NC. Initial stages of work will proceed in CY 2010 based on current commitments.

Title File/Link Type Private
Phase II Report TPF 5(230) Phase II Report.pdf Final Report Public
Effect of Silo Storage Time - Final Report Silo Storage Time Final Report.pdf Final Report Public
Phase III Final Report TPF 5(230) Phase III Final Report.pdf Final Report Public
Phase I Final Report TPF 5(230) Phase I Final Report.pdf Final Report Public
Acceptance Memo TPF-5(230)AcceptanceMemo.pdf Memorandum Public
TPF-5(230) Closeout Letter TPF-5(230) Closeout Letter - Signed.pdf Memorandum Public
Northeast Asphalt User/Producer Group Presentation - October 2011 NEAUPG High RAP Pooled Fund Study Update Oct 11.pdf Other Public
RAP ETG Meeting Presentation - July 24, 2012 High RAP Pooled Fund Update RAP ETG Meeting July 2012.pdf Other Public
Northeast Asphalt User/Producer Group Presentation - October 2012 NEAUPG High RAP Pooled Fund Update Oct 2012.pdf Other Public
TRB 2015 Annual Meeting Poster Presentation TRB 2015 Poster.pdf Other Public
TRB 2016 Annual Meeting Paper Submission Evaluation of Silo Storage Time on the Characteristics of Virgin and RAP Asphalt Mixtures.pdf Other Public
Webinar slides from closeout meeting - April 19, 2016 High RAP Pooled Fund Closeout Meeting April 19 2016.pdf Other Public
TPF-5(230) Closeout Funding Spreadsheet TPF-5(230) Close Out Funding Spreadsheet.pdf Other Public
Quarterly Progress Report: August - December 2010 2010Q4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2011 2011Q1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2011 TPF-5(230)2011-06.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2011 High RAP TPF 5(230) 2011 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2011 High RAP TPF 5(230) 2011 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2012 High RAP TPF 5(230) 2012 QR1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2012 High RAP TPF 5(230) 2012 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2012 High RAP TPF 5(230) 2012 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2012 High RAP TPF 5(230) 2012 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2013 High RAP TPF 5(230) 2013 QR1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2013 High RAP TPF 5(230) 2013 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2013 High RAP TPF 5(230) 2013 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2013 High RAP TPF 5(230) 2013 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2014 High RAP TPF 5(230) 2014 QR1.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2014 High RAP TPF 5(230) 2014 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2014 High RAP TPF 5(230) 2014 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2014 High RAP TPF 5(230) 2014 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: April - June 2015 High RAP TPF 5(230) 2015 QR2.pdf Quarterly Progress Report Public
Quarterly Progress Report: July - September 2015 High RAP TPF 5(230) 2015 QR3.pdf Quarterly Progress Report Public
Quarterly Progress Report: October - December 2015 High RAP TPF 5(230) 2015 QR4.pdf Quarterly Progress Report Public
Quarterly Progress Report: January - March 2016 High RAP TPF 5(230) 2016 QR1.pdf Quarterly Progress Report Public
Draft AAPT Paper on Phase I results Plant Produced RAP AAPT Final Draft.pdf Report Public
TRB 2015 Annual Meeting Paper Submission TRB 2015 Paper Presentation.pdf Report Public

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