管线段施工重难点分析焦红波张胜瑜：本文对洛阳市新安县引故入新工程管线段施工作了简要介绍，并对管线施工重难点进行了分析，并结合管线沿途横穿S323省道和3处居民区，开槽施工难度大等工程实际设置三段顶管。认真分析地质资料，摸清施工沿线的地下管线的详细情况，制定详细的技术措施。作好地质勘察及资料整理工作，认真编制好施工方案和通过不同土层的技术措施及纠偏措施，确保管道的顺利顶进，有效保证了施工质量和进度;鉴于工程实际，介绍了管线开挖质量平安应急措施和顶管施工导致结构性破坏应急措施，供类似工程类似情况借鉴。Abstract：ThisarticlebrieflyintroducesthepipelineconstructionofXin"anCounty，LuoyangCity，andanalyzesthemajoranddifficultpointsofpipelineconstruction.CombinedwiththepipelinecrossingS323ProvincialHighwayand3residentialareasalongtheway，thetrenchingconstructionisdifficultandotherengineeringpractices，threesectionsofpipejackingareset.Itcarefullyanalyzesthegeologicaldata，findsoutthedetailsoftheundergroundpipelinesalongtheconstructionline，andformulatesdetailedtechnicalmeasures.Itshoulddoagoodjobofgeologicalsurveyanddatacollation，carefullypreparetheconstructionplanandadopttechnicalmeasuresandcorrectivemeasuresfordifferentsoillayerstoensurethesmoothjackingofthepipelineandeffectivelyensuretheconstructionqualityandschedule;inviewoftheactualproject，emergencymeasuresforqualityandsafetyofpipelineexcavationandemergencymeasuresforstructuraldamagecausedbypipejackingcanbeusedasreferenceforsimilarsituationsinsimilarprojects.關键词：管线;重难点分析;顶管;应急措施Keywords：pipeline;analysisofkeyanddifficultpoints;pipejacking;emergencymeasures中图分类号：TU990.3文献标识码：A文章编号：1006-4311〔2023〕03-0074-031工程概况1.1工程简介本工程起点洛阳市故县水库引水工程新安预留分水口，分水口管底高程201.10m，地处宜阳县城区东北部甘棠塞西侧，工程终点位于新安县城关镇南庄村东侧涧河边的新建水厂，设计引水流量0.58m3/s，日供水量为5万m3。引水线路总长21.228km，由进口管线段、隧洞段、出口连接段三局部组成。其中进口管线段长2.522km，隧洞段长18.647km〔采用盾构法施工〕，出口连接段长0.059km，与新安县城关镇南庄村东侧涧河...
