| This thesis mainly studies a hot in-place technology of aging SBS-modified asphalt pavement. Through the research of aging mechanism and rejuvenate mechanism of asphalt pavement, put forward an method of rejuvenate bitumen and hot in-place recycling mix design of SBS-modified asphalt.The experiment research shows that the recycling agent empoldered by Dalian university of technology hot in-place graduate school has good effect on aging SBS modified asphalt. and by doing performance research on recycled asphalt pavement of diverse old material blend rate, I elicit maximal old material blend rate under the condition that satisfying road performance.The local experiment carry on engineering analysis for hot in-place of SBS-modified asphalt pavement. Proving the result of indoor experiment and giving an assess for road performance of reclaimed asphalt. The research shows that it is viable regeneracy for old SBS-modified asphalt pavement. |
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