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Evaluation of Low Volume Roads Surfaced with 100% RAP Millings

MATERIALS(2022)

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摘要
The sustainability of roadway construction has rapidly been gaining attention within the pavement industry. The pavements examined in this study are in a Northern Nevada county with many of the roadways categorized as low volume roads. The county began surfacing rural roads with 100% Reclaimed Asphalt Pavement (RAP) millings, without any design considerations for decades. These pavements have provided satisfactory performance with little to no maintenance for their intended purpose for 25-30 years. The presented research revealed RAP milling surfaced roads with layer coefficients between 0.18 and 0.30, and design thicknesses ranging from 5 to 11 inches.
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关键词
asphalt concrete,low volume roads,reclaimed asphalt pavement,pavement design,cold milling
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