| 摘要 |
An asphaltic roadway base or sub base which includes a by-product of petroleum refining units utilizing a Residuum Oil Supercritical Extraction (ROSE) process. The base course is a designed mixture of a resin-asphaltene residuum and aggregate, wherein the resin-asphaltene residuum has a penetration less than 10 at 77 DEG F. and a softening point above 150 DEG F., the resin-asphaltene residuum is present in the range of 3% to 12%, by weight of the composition, and the aggregate is present in the range of 88% to 97%, by weight of the composition.
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