武广铁路客运专线乌龙泉至韶关段无砟轨道路基设计新技术  

New Technologyies of Unballasted Track Subgrade Design for Wulongquan-Shaoguan Section of Wuhan-Guangzhou Passenger Dedicated Railway

作　　者：刘珣[1] 詹学启[2] 

机构地区：[1]铁道部经济规划研究院,北京100038 [2]中铁第四勘察设计院集团有限公司,武汉430063

出　　处：《铁道标准设计》2011年第9期1-4,8,共5页Railway Standard Design

摘　　要：在缺乏可借鉴的设计经验和技术标准条件下,通过不断探索和创新,在武广铁路客运专线乌龙泉至韶关段无砟轨道路基设计中成功运用了"路堤式路堑"结构、各类"过渡段路基"设计、路基站后附属结构物接口设计、冲击压实技术、桩帽式CFG桩复合地基、桩-网结构、路堑高边坡预加固技术、挂网喷混植生及土工合成材料的推广应用等一系列新技术、新材料,将为我国长大客运专线路基设计标准及规范的制定和完善提供有益参考。Lack of design experience and technical standards yet through continuous exploration and innovation,a series of new technologies and new materials were successfully applied to the unballasted track subgrade design of Wulongquan-Shaoguan section of Wuhan-Guangzhou passenger dedicated railway.The technologies and materials involved include embankment in cutting,subgrade design in various transition sections,interface design of affiliated structures of out-of station subgrades,impact compaction technology,composite foundation of pile-cap type CFG pile,pile-net structure,pre-reinforcement technology for high cut slope,shotcrete and grassplanting,popularization and application of geosynthetic materials.These successful applications will provide beneficial guidelines for establishing and perfecting the subgrade design standards and specifications of long passenger dedicated railways in China.

关 键 词：客运专线 无砟轨道 路基设计 

分 类 号：U238[交通运输工程—道路与铁道工程] U213.1