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Pages 114-120

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From page 114...
... 115 NCHRP 46-05 RAP and RAS -- Construction Engineers Introduction This survey is collecting information about individual recycled material properties, processes, and practices. The focus is on asphalt mixtures with >25% RAP mixtures, recycled asphalt shingles (RAS)
From page 115...
... 116 3. Indicate how frequently each of the following RAP processing and stockpiling practices are used in your state.
From page 116...
... 117 6. Indicate how frequently each of the following shingles (RAS)
From page 117...
... 118 QC/QA Testing and Assumptions 9. Indicate what tests or assumptions are used to determine asphalt content, aggregate properties, and other material or mixture properties are determined.
From page 118...
... 119 Asphalt Plant Operations 10. Indicate if any of the following are seen or adjustments are needed when using higher than typical RAP% mixtures, RAS mixtures, or a combination of RAP/RAS mixtures on asphalt plant operations.
From page 119...
... 120 Paving Operations 11. When placing asphalt mixtures with more than 25% RAP, how frequently each of the following is observed.
From page 120...
... 121 14. Determining finished mat properties.

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