浅谈引气剂在严寒地区无砟轨道支承层的应用  

Application of air entraining agent in supporting layer of ballastless track in severe cold area

作　　者：李婷 章媛 韦有信 卢晨阳 李泽霖 LI Ting;ZHANG Yuan;WEI Youxing;LU Chenyang;LI Zelin(College of Architecture Engineering,Nanjing Institute of Technology,Nanjing 211167,China)

机构地区：[1]南京工程学院建筑工程学院,江苏南京211167

出　　处：《四川建材》2022年第11期155-156,164,共3页Sichuan Building Materials

基　　金：南京工程学院大学生科技创新基金项目资助:严寒地区高速铁路低强度混凝土配制及其热导性能研究(TB202009010)。

摘　　要：近年来,高速铁路发展迅猛,无砟轨道以其特有优势被广泛应用于中国各大地区,其中支承层作为重要组成部分,相关的技术研究尤为关键。主要对严寒地区无砟轨道支承层现存的问题及研究现状进行分析,并研究引气剂对支承层混凝土相关性能的影响。In recent years,with the rapid development of high-speed railway,ballastless track is widely used in major regions of China with its unique advantages,in which the supporting layer is an important part,and the relevant technical research is particularly key.This paper mainly analyzes the existing problems and research status of ballastless track support layer in severe cold area,and studies the influence of air entraining agent on the relevant properties of support layer concrete.

关 键 词：严寒地区 无砟轨道 支承层 混凝土 引气剂 

分 类 号：TU528[建筑科学—建筑技术科学]