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页数:19页
时间:2018-12-09
《隧道公园站暗挖车站隧道混凝土衬砌施工组织》》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、一、编制说明及编制依据(一)、编制说明为保证广州地铁二号线越秀公园站暗挖车站隧道混凝土衬砌施工的顺利进行,结合工程实际及进度,特编制本实施性施工组织设计。(二)、编制依据1、广州地铁二号线越秀公园站车站主体结构设计(变更);2、《越秀公园站施工组织设计》;3、广州地铁二号线越秀公园站工程承包合同及下发文件;4、现行有关地铁、铁路,设计、施工、验收规范;5、越秀公园站暗挖车站隧道施工现状。二、工程概况(一)概述越秀公园站暗挖车站隧道由三条并行的主体隧道和斜通道组成,三条主体隧道之间由四条横通道连接。暗挖车站隧道长189.1米,主体隧道为3‰纵坡,其最大埋深约16m,马蹄形断面。断面分A、B、C
2、、D、E五种形式。A、B、C、E型断面开挖采用CRD工法施工,D型采用上下台阶法施工,横通道采用CD工法施工。隧道采用复合式衬砌结构,初支为厚25~30cm的格栅钢架、钢筋网、喷C20砼,并配以超前预注浆、回填注浆、加固注浆等辅助措施。临时支撑为I20a工字钢、网喷20cm厚C20砼,二衬为40~50cm厚钢筋砼。结构风道及站台板为C30钢筋砼(附图一)。Opinionsandsuggestionsontheparty'smasslineeducationalpracticeAccordingtothecentralandprovincial,municipalunifieddeployme
3、nt,accordingtomunicipalPartycommittee"aboutcarryingouttheparty'smasslineeducationalpracticeactivityinthecity'simplementationopinions,thespiritoftheparty'smasslineeducationalpracticeactivitiesfrom20**inJanuaryto99months,carriedoutatalllevelsofdepartmentsanddirectlyaffiliatedinstitutionsandgrass-root
4、spartyorganizations.AccordingtomyactualCounty,thecountytocarryouttheeducationpracticeputforwardthefollowingimplementationopinions.First,theoverallrequirementsCountycountyeducationpracticetotheeighteenPartyofeight,thespiritofthethethirdPlenarySessionofthe18thCPCCentralCommitteeastheguidance,conscien
5、tiouslyimplementthespiritofgeneralsecretaryXiJinpingbookseriesofimportantspeech,earnestlyimplementtheCentralCommitteereally,opinionsandadvice><<>,6、retreatment,thegeneralrequirementsof"forthepeoplepragmatichonestpeopleasthetheme,incarryingforwardthespiritofZhuanglangZhuang,improvetheirworkstyle,servicetothemassesofthepeople,thefoundationofconsolidatinggrassroots,promotetransformationacrossefforts,tofurtherimplementthecentraleightregulationsand7、
6、retreatment,thegeneralrequirementsof"forthepeoplepragmatichonestpeopleasthetheme,incarryingforwardthespiritofZhuanglangZhuang,improvetheirworkstyle,servicetothemassesofthepeople,thefoundationofconsolidatinggrassroots,promotetransformationacrossefforts,tofurtherimplementthecentraleightregulationsand
7、
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