The paper analyzes the application of particle interference theory in special passenger line base bed surface graded crushed stone, and puts forward the a proper method-gap grading to select gradiation in packing construction.%通过对粒子干涉理论在客运专线路基基床表层级配碎石层的应用研究,提出填料施工中级配选择的一个合理方向——间断级配.
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