本文件规定了通过带有圆形平端底座的圆柱形压头销对沥青玛蹄脂和其他沥青施加力时，测定其压痕深度的试验方法。本文件适用于最大标称尺寸小于或等于16 mm的骨料。

This document specifies a test method for determining the depth of indentation of mastic asphalt and other asphalt, when force is applied to them via a cylindrical indentor pin with a circular flat-ended base. This document applies to aggregates of maximum nominal size less than or equal to 16 mm.