施工技术 2014年11月上 102 CONSTRUCTION TECHNOLOGY 第43卷第21期 D01:10.7672/js2014210102 沉降区无砟轨道结构注浆抬升原理与工艺* 李杰，郑新国2，刘竞2 (1.沪杭客专股份有限贵任公司，上海200237；2.中国铁道科学研究院铁道建筑研究所，北京100081) [摘要]对沉降区无砟轨道结构高聚物注浆抬升工艺进行了系统的介绍，提出了高聚物注浆材料的性能要求、特点 及高聚物注浆抬升原理，分析了高聚物注浆的工艺特点，介绍了轨道结构注浆抬升施工工艺流程、关键操作要点及 施工后处理措施.实践证明，高聚物注浆技术是整治无砟轨道结构由于沉降引发的不平顺问题的快速、简易方法. [关键词]铁路工程；无砟轨道；注浆；抬升；施工技术 [中图分类号]TU744 [文献标识码]A [文章编号]1002-8498(2014)21-0102-03 Grouting Uplift Mechanism and Technology for Ballastless Track Structure in Settlement Zone Li Jie' Zheng Xinguo2 Liu Jing㎡ (1.Shanghai-Hangzhou Railway Passenger Dedicated Line Co.Ltd.Shanghai 200237 China; 2.China Academy of Railway Science Railway Engineering Research Institute Beijing 100081 China) Abstract:The high polymer grouting uplift technology for ballastless track structure in settlement zone has been systematically introduced.The performance requirements characteristies and theory of high polymer grouting uplift have been proposed.Meanwhile the construction process feature of high polymer grouting has been analyzed and construction technology of high polymer grouting uplift for ballastless track structure has been introduced.It proves that the high polymer grouting technology is an quickly and easy method for treating the settlement of ballastless track structure. Key words:railroad;ballastless track;grouting;uplift;construction 0引言 的主要问题之一，特别是对于软土路基.目前，对 无作轨道结构是我国高速铁路建设采用的主于沉降过大的区域，各国只能采取限速运营或停运 要结构形式，目前，我国无砟轨道结构线路总里程 整修的方式进行处理，这极大地影响了列车的正常 达10000km.相比于有砟轨道结构，无砟轨道结构 运营.这一问题...
沉降区无砟轨道结构注浆抬升原理与工艺.pdf
