盖梁、台帽施工技术交底》 11页

盖梁、台帽施工技术交底一、工程概况本标段为xxxxxx合同段，xxxxxxx大桥接西山隧道出口，先后跨越xxx与地方公路。桥梁形式采用分离式，起讫里程左线为xxxxx，采用10×30+27×20m预制拼装预应力混凝土箱梁，全长844.5m。右线为xxxxx，采用10×30+27×20m预制拼装预应力混凝土箱梁，先简支后连续，全长xxxx???m。合同段内共有盖梁（台帽）76个；设计混凝土强度等级C30。全合同段盖梁结构尺寸及数量统计表序号桥梁名称盖梁数量整体尺寸（长×宽×高）倒角尺寸（长×高）1Xxx大桥217.25*1.6*1.3217.04*1.6*1.11215.2*1.8*1.71.8*0.84515.3*1.6*1.51.8*07215.3*2.0*1.7（2.086）1.8*0.8615.2*2.0*1.71.8*0.8715.3*1.8*1.51.8*07二、支架设计方案施工盖梁时采用了无落地支架施工技术：盖梁施工采用在墩柱上固定单层抱箍（高度55cm），利用抱箍的摩擦力来承受上部荷载的方法。在墩柱两侧的抱箍顶上架设两根型号为双拼40a的工字钢作为纵梁，工字钢上布设型号为双拼10#槽钢作为分配梁，其上铺设组合钢模作为盖梁底模，然后进行绑扎钢筋、立侧模、浇筑混凝土、拆模养生等后续工作。墩柱两侧的抱箍牛腿上放置千斤顶，千斤顶上架设两根型号为双拼40a工字钢，工字钢上部设型号为间距40cm,双拼10#槽钢作为分配梁，其上铺设组合钢模作为盖梁底模。（具体见附件盖梁无落地支架图）三、施工方法1、工字钢平台的搭设及底模安装Opinionsandsuggestionsontheparty'smasslineeducationalpracticeAccordingtothecentralandprovincial,municipalunifieddeployment,accordingtomunicipalPartycommittee"aboutcarryingouttheparty'smasslineeducationalpracticeactivityinthecity'simplementationopinions,thespiritoftheparty'smasslineeducationalpracticeactivitiesfrom20**inJanuaryto99months,carriedoutatalllevelsofdepartmentsanddirectlyaffiliatedinstitutionsandgrass-rootspartyorganizations.AccordingtomyactualCounty,thecountytocarryouttheeducationpracticeputforwardthefollowingimplementationopinions.First,theoverallrequirementsCountycountyeducationpracticetotheeighteenPartyofeight,thespiritofthethethirdPlenarySessionofthe18thCPCCentralCommitteeastheguidance,conscientiouslyimplementthespiritofgeneralsecretaryXiJinpingbookseriesofimportantspeech,earnestlyimplementtheCentralCommitteereally,opinionsandadvice><<>,<<>,<<>,<<>,<<>,<<>,<<>,<<>,<<>,<<>,