Performance Zoning of Asphalt Pavement and Performance Grade (PG) of Asphalt Binder in Karamay: A Case Study of Xinjiang, China

Asphalt binder is a temperature-sensitive material with performance that greatly affected by changing climates. Improper selection of asphalt will cause lot damage and affect the durability road. The establishment pavement zoning in Xinjiang, vast area great temperature differences, provide reference for suitability, refinement design, sustainable development road engineering. In this study, 11 years data Xinjiang region have been collected analyzed, 98% reliability design has used to draw grading map based on ArcGIS platform. Finally, divided into nine zones. At same time, grades (PG) five kinds binders Karamay are explored. result shows there little difference continuous PG span between different matrix binders; lower penetration grade, better high-temperature performance, worse low-temperature performance. After adding SBS modifier, can be about 20 °C higher than asphalt. indoor test mixture also SBS-modified durability. All these basis reasonable areas Xinjiang.