摘要
沥青混凝土具有施工迅速、强度和柔性共存的优点，能够用于高速铁路的轨下基础。基于此，本文对沥青混凝土的结构行为以及材料设计进行了分析，结构行为的分析包括数值计算、构建标准结构模型、结构的选择以及动力行为特征分析；材料设计包括指标体系的构建、材料的选择、沥青用量的选择以及室内配合比检验，意在为高速铁路轨下基础的施工工程提供理论支持。
Abstract
asphalt concrete has the advantages of rapid construction,strength and flexibility coexistence, and it can be used in the railfoundation of high-speed railway. Based on this, the structural behaviorof asphalt concrete material and structure design are analyzed, includingnumerical calculation, analysis of the behavior of constructing thestandard structure model, structure selection and dynamic behavioranalysis; material design including the construction of index system, theselection of materials, the asphalt content selection and indoor mixingratio test, to provide theoretical support to construction for the highspeed railway rail foundation.
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