题目：无缝线路养护维修技术摘要论文从铺设无缝线路的意义出发，对无缝线路的类型及发展进行了综述，并简要介绍了国内外的发展成就。着重阐述了无缝线路养护维修的作业要求、胀轨跑道及故障处理三个方面。认为无缝线路的养护维修工作，是不容忽视的基础工作；是确保行车安全的必要条件；是降低维修费用成本、减少行车事故发生迫切要求。关键词：无缝线路；养护维修；胀轨跑道AbstractPapersfromthelayingofCWRsignificancestartingonthetypeofCWRanddevelopmentarereviewed,andbrieflydescribesthedevelopmentofdomesticandinternationalachievements.FocusingontheCWRMaintenanceoperationalrequirements,andtroubleshootingtherunwayexpansiontrackthree.MaintenanceofCWRthatworkcannotbeignoredbasicwork;isanecessaryconditiontoensuretrafficsafety;istoreducethecostofmaintenancecosts,anurgentneedtoreducetrafficaccidents.KeyWords:CWR;Maintenance;railtrackexpansion目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc311316768"摘要PAGEREF_Toc311316768\h1HYPERLINK\l"_Toc311316769"AbstractPAGEREF_Toc311316769\h1HYPERLINK\l"_Toc311316770"1无缝线路概述PAGEREF_Toc311316770\h2HYPERLINK\l"_Toc311316771"1.1铺设无缝线路的意义PAGEREF_Toc311316771\h2HYPERLINK\l"_Toc311316772"1.2无缝线路的类型PAGEREF_Toc311316772\h2HYPERLINK\l"_Toc311316773"1.3国内外无缝线路发展概况PAGEREF_Toc311316773\h3HYPERLINK\l"_Toc311316774"2无缝线路养护维修要求PAGEREF_Toc311316774\h4HYPERLINK\l"_Toc311316775"2.1基本技术要求PAGEREF_Toc311316775\h4HYPERLINK\l"_Toc311316776"2.2维修计划安排要求PAGEREF_Toc311316776\h4HYPERLINK\l"_Toc311316777"2.3养护维修作业要求PAGEREF_Toc311316777\h4HYPERLINK\l"_Toc311316778"2.3.1作业前PAGEREF_Toc311316778\h4HYPERLINK\l"_Toc311316779"2.3.2作业中PAGEREF_Toc311316779\h5HYPERLINK\l"_Toc311316780"2.3.3作业后PAGEREF_Toc311316780\h6HYPERLINK\l"_Toc311316781"2.3.4无缝线路缓冲区的养护维修PAGEREF_Toc311316781\h6HYPERLINK\l"_Toc311316782"2.3.5桥上无缝线路养护维修要求PAGEREF_Toc311316782\h7HYPERLINK\l"_Toc311316783"2.3.6单项作业要求PAGEREF_Toc311316783\h7HYPERLINK\l"_Toc311316784"2.3.7巡道作业要求PAGEREF_Toc311316784\h8HYPERLINK\l"_Toc311316785"2.4应力放散与调整PAGEREF_Toc311316785\h8HYPERLINK\l"_Toc311316786"2.4.1需要进行应力放散或调整的几种情况PAGEREF_Toc311316786\h9HYPERLINK\l"_Toc311316787"2.4.2应力