超大粒径嵌挤结构水稳破口砾石混合料级配分析  

The analysis of the base level of the water stability of the large particle size embedded structure

作　　者：国计凯 叶洪东[1] GUO Ji-kai;YE Hong-dong(Hebei University of Engineering Institute of Civil Engineering,Handan,Hebei 056038,China)

机构地区：[1]河北工程大学土木学院,河北邯郸056038

出　　处：《黑龙江交通科技》2018年第11期1-3,共3页Communications Science and Technology Heilongjiang

摘　　要：以超大粒径嵌挤结构水稳破口砾石基层为研究对象,充分利用天然形成的砂砾石资源,通过原材料物理特性室内试验和混合料配比试验进行理论分析,控制粗集料和细骨料的配比,找到混合料达到嵌挤密实状态下的最佳配比,解决传统路面基层存在的干缩裂缝和温缩裂缝问题。With large diameter embedded squeeze water stable structure crevasse gravel base as the research object,make full use of the natural formation of the gravel stone resources,through the physical properties of raw materials through theoretical analysis of laboratory test and mixture ratio test,control the ratio of coarse aggregate and fine aggregate,find the mixture to embed the best proportion of squeezed dense state,solve traditional pavement base the problems of shrinkage and temperature shrinkage cracks.

关 键 词：超大粒径 嵌挤结构 破口砾石 路面基层 裂缝 

分 类 号：U416.214[交通运输工程—道路与铁道工程]