粗、中、小砾石集料和砂各占一定比例的混合料，当其颗粒组成符合规定的密实级配要求且塑性指标和承载比均符合规定要求时，称为级配砾石。
The results of research has based for non-linear characteristics of graded gravel materials and fatigue life of asphalt concrete pavement, and offers an important reference for graded gravelof asphalt Pavement in promotion and application.
研究的成果为进一步研究级配砾石基层材料的非线性特性与级配砾石基层沥青混凝土路面的疲劳寿命奠定了基础,对今后西藏地区级配砾石基层沥青路面的推广与应用具有重要的参考价值。
参考来源 - 西藏级配砾石柔性基层沥青路面结构研究·2,447,543篇论文数据，部分数据来源于NoteExpress
研究表明，在连续级配碎石、砂砾、石灰稳定土、石屑几种回填材料中以自然级配砂砾石为最佳台背回填材料。
According to the research, the natural graded gravel is the best backfill material of graded crushed stone, grit, lime stabilized soil and rock chips.
蒋家沟泥石流内广泛分布级配宽广的砾石土，砾石土的力学性状对于泥石流的起动发生有重要影响。
There are gravelly soil distributed grain diameter widely in Jiangjia Ravine, the mechanical behavior of gravelly soil is important for initiation of debris-flows.
应用推荐