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1、技术交底记录ZT11CGJL13单位：中铁十一局集团有限公司莞惠城际GZH-3标项目经理部编号：主送单位盾构始发井主体结构防水施工队第1页共8页工程名称盾构始发井主体结构防水工程日期：2011.6.18一、说明：盾构始发井为地下两层箱型框架结构，采用明挖顺作法施工。本工程地下结构防水等级为一级，要求不允许漏水，结构表面无湿渍。采用防水钢筋混凝土和全包柔性防水层组成双道防水防线。本工程结构外包防水层采用自粘性高聚物改性沥青防水卷材。侧墙水平施工缝采用钢板橡胶（丁基橡胶）腻子止水条，环向、竖向施工缝也采用钢板橡胶（丁基橡胶）腻子
2、止水条；外设同种材料的防水卷材加强层，宽度500mm。另外，在底板和顶板的阴阳角处均须外设防水卷材加强层，宽度500mm。二、材料及施工设备准备：1、主要材料：（1）自粘性高聚物改性沥青防水卷材：宽1m，长10m，厚度4mm。（2）钢板橡胶（丁基橡胶）腻子止水条：200×5mm。（3）缓膨型止水胶：15×8mm。（4）镀锌止水钢板。（5）BSR-242沥青基卷材密封膏。2、主要施工设备：主要施工机具配备表序号机具名称型号规格单位数量用途1喷灯/套2烘烤2裁切刀/把5卷材裁切3抹子/个5基层找平4压辊/根5卷材压实dslope
3、tofacilitateemptying.(1)duringtheexcavationprocess,feelfreetocheckthestatusofsideslope,verticaldigdepthisgreaterthan1.5M,accordingtothechangesofsoil,excavation(Groove)ortrenchsupportpreparation,topreventcollapse.(2)excavation(Groove)andwhenthetrenchshouldnotdigtoth
4、edesignheightofthefollowing,ifnotexactlydiggingbaseelevationistodesign,persistenceofelevationabovealayerofsoilisnotdug,tocopyafterpingdugoutbyhand.(3)mechanicalconstructiondigintotheEarth,diggingmanualatanytime,andtrolleystotransportEarthmachinerytodigtheplace,soas
5、tousethemachineryofcherry-picking.5,trimming...(1)soilexcavationonarainyday,theirworkshouldnotbetoolarge,shouldbedonepiecemeal,bystaging.(2)therainatthetimeofconstructionintheexcavationandearth-movingrequiredgreatattentiontoslopestability.Ifnecessary,theappropriate
6、slowslope,orbraces,whileinthepits(Groove)outsidesurroundedbyEarthenbermsordiggingditches,preventsurfacewaterfromentering.Alwayscheckontheslope,support,anembankment,identifyproblemsanddealwith.II,backfillEngineering(a)constructionpreparationresearchfieldsiteformatio
7、n,earthfillconstructionplan,determinethefillline,order,range,slope,drainagelevels,andsoon.1,theengineeringaccordingtothecharacteristicsofspecies,densityofthefillquantityrequirements,constructionsiteconditionsofreasonablefillsoilmoisturecontrol,virtualshopandcompact
8、ionparameters,suchasnumber.2,undergroundandabove-groundpipelinesshouldbefoundoutbeforeconstructionobstacles,requirementsshallinaccordancewiththec
