长沙中低速磁悬浮轨道梁制造技术研究  

Study on the Manufacturing Techniques on Medium-low Speed Magnetic Levitation Track Beam in Changsha

作　　者：刘延龙 Liu Yanlong(China Railway 23rd Bureau Group Co.Ltd.,Chengdu Sichuan 610072,China)

机构地区：[1]中铁二十三局集团有限公司,四川成都610072

出　　处：《铁道建筑技术》2017年第9期36-38,共3页Railway Construction Technology

基　　金：中国铁建股份有限公司科技研究开发计划项目(14-B02-1)

摘　　要：长沙磁浮快线是我国首条具有自主知识产权的中低速磁浮商业运营线,作为关键技术之一的轨道系统,轨道梁的生产成本和精度控制影响着今后中低速磁浮交通的推广使用。结合长沙中低速磁悬浮轨道梁的结构特点,从模板系统、混凝土配制浇筑、张拉压浆、养护及BIM技术应用等方面,介绍了中低速磁悬浮轨道梁关键制造技术的改进措施和控制要点;结合磁浮梁场的生产能力,对梁场主要机械设备配置进行了简述,为今后中低速磁悬浮施工项目提供经验借鉴。Changsha Maglev Express is the first medium-low speed maglev commercial operating line in China with inde-pendent intellectual property rights.As one of the key technologies of rail system,the production cost and precision control of the track beam will affect its popularization and usage in medium-low speed maglev traffic in future.Combined with the structure characteristics of medium-low speed maglev track beam in Changsha,this article introduces the improvement measures and key control points of the key manufacturing technology of track beam on the aspects of the model system,the preparation and pouring of the concrete,the tensioning and grouting,concrete maintenance and application of BIM technol-ogy,etc.Based on the production capacity of the maglev beam field,the article also describes the major machinery equip-ment purchase,providing references for the construction projects of medium-low speed maglev in the future.

关 键 词：中低速磁悬浮 轨道梁 制造技术 

分 类 号：U445.471[建筑科学—桥梁与隧道工程]