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河北省自1996年以来,就开始了SMA路面技术的试验研究。SMA路面技术作为河北省“九五”期间的重要科技应用成果,省交通厅副厅长张全代表本省在全国第一届公路科技高层论坛会上作过专题报告。最早是由河北省交通科研所将SMA路面技术作为课题研究。研究成果确定出矿料性能和集料级配,确定适用于本省沥青路面的SMA结构的最佳矿料和级配类型,研究不同沥青类型
Hebei Province since 1996, began the experimental study of SMA pavement technology. SMA Pavement Technology As an important scientific and technological achievement during the “Ninth Five-year Plan” in Hebei Province, Zhang Quan, Deputy Director of the Provincial Department of Communications, delivered a special report on behalf of the province at the first High-level Forum of Highway Science and Technology in China. The earliest by the Hebei Provincial Communications Research Institute SMA pavement technology as a research project. The research results identified the mineral aggregate properties and aggregate gradation, determined the best type of aggregate and grading for the SMA structure of the province’s asphalt pavement, studied the effect of different types of asphalt