并从室内试验和理论分析两方面对级配碎石基层结构设计方法进行研究。
Structural design method of unbound aggregate upper base is analyzed through field test, laboratory test and theory study.
深入分析了级配碎石基层的路面结构形式和施工工艺，对级配碎石广泛应用于路面基层具有一定的指导意义。
The structure forms and the construction craft of unbound graded aggregate base are analysed. It will be of some use in unbound graded base which are used for base of road.
通过对比分析，结合具有级配碎石基层半刚性底基层沥青路面主要破坏类型的分析，提出结构设计的控制指标。
Main form of structural default is found in semi-rigid pavement with unbound aggregate upper base through contrasting. And it suggests control index of structural design.
为了提高路面结构中级配碎石基层的回弹模量，通过材料设计、路面结构组合设计和施工工艺设计，对级配碎石基层的使用性能进行了研究。
In order to enhance modulus, the design of materials, structural combination and construction technology of the graded broken stone base were studied.
结合施工实践，探讨高速公路柔性路面级配碎石底基层的质量控制的方法及在施工过程中应注意的问题。
Through the practice discussion is made on the methods of the quality control on gravel-sorted subbase of the flexible pavement during the construction.
开级配沥青稳定碎石基层（ATPB）是一种路面内部排水结构。
Asphalt-treated permedble base(ATPB)is a kind of pavement internal draining water structure.
为了进一步研究路面裂缝与碎石基层材料的关系，首先就级配及成型方法对混合料性质的影响进行了广泛研究。
The influence of grading and forming method in mixed material nature was studied so that the relation between pavement crack and crushed stones basic level mix material is further studied.
水泥稳定碎石道路基层是将水泥、级配碎石和水按一定比例混合后，搅拌、压实成型的一种半刚性的结构层。
The cement-stabilized crushed stone base is a half rigid structural layer formed by cement, graded crushed stone and water mixed at a certain ratio, and stirred and compacted.
基于断裂力学，采用有限元程序，对两种级配碎石夹层沥青路面结构和常规半刚性基层沥青路面结构的断裂进行了对比分析。
Based on the cracking mechanism and FEM, the crackings on the grade crushed stone pavement and the semirigid base asphalt pavement are compared and analyzed.
采用集料嵌挤方法进行级配设计，使用高粘度沥青增加沥青膜厚度，以析漏指标确定沥青用量，通过试验路提出大碎石沥青混合料柔性基层的施工工艺。
This mix must be used high viscous asphalt to increase asphalt membrane thickness. The mix design is based on aggregate inter-lock method and use leakage test to determine asphalt content.
采用集料嵌挤方法进行级配设计，使用高粘度沥青增加沥青膜厚度，以析漏指标确定沥青用量，通过试验路提出大碎石沥青混合料柔性基层的施工工艺。
This mix must be used high viscous asphalt to increase asphalt membrane thickness. The mix design is based on aggregate inter-lock method and use leakage test to determine asphalt content.
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