Standard Practice for Sampling Asphalt Mixtures after Compaction (Obtaining Cores)
压实后沥青混合料取样(取芯)的标准实施规程
AASHTO R 67-20描述了从路面移除压实沥青混合料芯样进行实验室测试的过程。芯的直径范围为2英寸。到12英寸。
This method describes the process for removal of a core sample of compacted asphalt mixture from a pavement for laboratory testing. Cores may range in diameter from 2 in. to 12 in.