The percentage passing of(0.075 mm) on Bailey method was as a test index,which perfected the evaluation to critical sieve percentage passing of design gradation.

• 在贝雷法级配设计的基础上；提出将混合料中0.；075 mm筛孔通过率也作为检验指标；从而使贝雷法的控制指标更趋于完善;