化学侵蚀条件下隧道衬砌混凝土和排水病害的防治措施  

Chemical Erosion under the Conditions of Tunnel Lining Concrete and Drainage Measures of Defects Prevention and Treatment

作　　者：李正士 

机构地区：[1]中国铁建十八局集团有限公司,天津300222

出　　处：《铁道建筑技术》2012年第7期90-93,共4页Railway Construction Technology

摘　　要：针对贵广客运专线工程所处特殊的水文地质环境,综合采用防腐蚀高性能混凝土和改进纵环向排水盲管接头形式的工程措施,解决隧道排水系统的堵塞和渗漏水问题。工程应用结果表明成效明显。In view of the special engineering hydrogeological environment of Guiyang—Guangzhou Passenger Dedicated Line,effective results are achieved by comprehensive adoption of engineering measures like corrosion resistant high performance concrete and improvement of the longitudinal circumferential drainage blind pipes joint to solve the tunnel drainage system clogging and leakage problems.

关 键 词：隧道衬砌 防腐蚀混凝土 溶蚀 硫酸盐侵蚀 排水系统 

分 类 号：U445.91[建筑科学—桥梁与隧道工程]