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美国超级路面体制 (SUPERPAVESYSTEM)的石料规范对颗粒形状提出了严格的要求 ,到 2 0 0 0年美国将在全国范围内实现该体制 ,这意味着石料生产厂商不仅需要知道这项规范 ,还必须能满足规范要求
The US Superpave System Stone Code imposes strict requirements on the particle shape, and the system will be implemented nationwide by the United States by the year 2000, which means that stone manufacturers need to know not only the code but also To meet the regulatory requirements