Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS and RAP Binder Ratios (2020) / Chapter Skim
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A-1 A P P E N D I X A Texas Construction Report The Texas Department of Transportation (TxDOT) executed the Texas State Highway 31 (SH 31)
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A-2 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS And RAP Binder Ratios Section 5 Section 4 Section 2 Section Section 1 Figure A.1: Layout of Five Test Sections on SH 31. Figure A.2: Typical Existing Section.
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Texas Construction Report A-3 right next to the Section 3. Besides the test sections, other areas of the roadbed were paved with the control mix.
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Figure A.3: Mixture Design of Virgin Mix Placed on Section 1 (Virgin Mix)
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Figure A.4: Mixture Design of Control Mix Placed on Section 2 (Control Mix)
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A-6 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS And RAP Binder Ratios Figure A.5: Shuttle Buggy and Paver.
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Texas Construction Report A-7 A.2.2. Section 2: Control Mix Section 2 was the control mix section with 10 percent RAP and 5 percent RAS.
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A-8 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS And RAP Binder Ratios (a)
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Texas Construction Report A-9 Figure A.11: Mix with Higher Production Temperature Placed beyond Speed Limit Sign. Figure A.12: Observed Segregation Even after Increasing the Production Temperature.
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A-10 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS And RAP Binder Ratios Figure A.13: No Obvious Segregation in Section 5.
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Texas Construction Report A-11 Figure A.14: Overview of the Asphalt Mix Plant.
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A-12 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS And RAP Binder Ratios Figure A.15: Collection of Loose Mix from Truck at Asphalt Mix Plant.
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Texas Construction Report A-13 Figure A.16: Aggregate and RAP/RAS on Separate Conveyor Belts. Figure A.17: Admixture/Rejuvenator Injected Directly into the AC Line.
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A-14 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS And RAP Binder Ratios Figure A.18: RAS Stockpile. Figure A.19: RAP Stockpile.
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Texas Construction Report A-15 Figure A.20: Aggregate (One of Several) Stockpile
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