Material characterization of hot-mix recycled bituminous pavements. Final report
Technical Report
·
OSTI ID:5557784
A detailed laboratory investigation was performed to characterize the performance of the hot-mix recycled asphalt pavement in comparison with a virgin mix. A virgin mixture and three recycled mixtures were evaluated. Marshall-size specimens were fabricated and evaluated using the pulse velocity, resilient modulus, indirect tensile strength, Hveem stability, and Marshall stability tests. In addition, the recycled binder itself was evaluated using a stage extraction technique and the thin-film oven test results. Long-term aging of recycled mixtures was also studied. Subjective conclusions were established for the performance of recycled mixtures under various conditions. Virgin mixture stiffness and strength parameters were higher than those of recycled mixtures. However, long-term aging properties of two of the recycled mixtures were better than the virgin mix, especially when regarding the failure tensile strain. The thin-film oven test and the indirect tensile test were identified as additional criteria for the choice of type and amount of recycling agent to be used.
- Research Organization:
- Purdue Univ., Lafayette, IN (USA). Joint Highway Research Project
- OSTI ID:
- 5557784
- Report Number(s):
- PB-89-207831/XAB; JHRP--87-11-F
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020500 -- Petroleum-- Products & By-Products
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
AGING
ASPHALTS
BINDERS
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
DISPERSIONS
DOCUMENT TYPES
EXTRACTION
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MIXTURES
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PAVEMENTS
PROGRESS REPORT
RECYCLING
SEPARATION PROCESSES
STABILITY
TAR
TENSILE PROPERTIES
TESTING
020500 -- Petroleum-- Products & By-Products
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
AGING
ASPHALTS
BINDERS
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
DISPERSIONS
DOCUMENT TYPES
EXTRACTION
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MIXTURES
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PAVEMENTS
PROGRESS REPORT
RECYCLING
SEPARATION PROCESSES
STABILITY
TAR
TENSILE PROPERTIES
TESTING