地下室顶板沉降后浇带提前封闭施工技术

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地下室顶板沉降后浇带提前封闭施工技术田金成,郑鹏斌,赵余江(北京天润建设工程有限公司,北京 100077)[]。,,、、、、,、。、、、。[];;;[]TU756[]A    []1002-8498(2009)12-0054-04ConstructionTechnologyofSettlementLatePouredBandofBasementRoofforAdvancedClosingTianJincheng,ZhengPengbin,ZhaoYujiang(BeijingTianrunConstructionEngineeringCo.,Ltd.,Beijing 100077,China)Abstract:Atpresent,themethodofmasonrybeforewaterproofbackfillandclosingwithconcreteplateisappliedcommonlyforlatepouredbandofbasementexteriorwall.Accordingtoactualsituationsofconstructionfield,andbasedonsuccessfulexperienceofconstructiontechnology,thepropermethodsareadoptedforBeijingXuelianBuilding,whichincludestrengtheningbothsides'supportoflatepouredband,coveringconcreteplate,waterproofbackfill,settingformwork,andgroutingself-compactingconcrete.Thesemethodsareconvenientforplansettingofconstructionfieldandformingsafefirechannel.Furthermore,theconstructiontechnologiesoflatepouredbandclosing,waterproofconstruction,fabricationanddemolitionofliftingcomponents,concretepouringareintroducedindetail.Keywords:superhigh-risebuilding;settlementlatepouredband;advancedclosing;constructiontechnology[]2009-07-27;[]2009-09-01[],,38 100077,:(010)67530946,E-mail:bjtrjs@126.com  ,,。,、,,、,,,。,,、、、,、、。1 。4、,92700m2,154m。100.3m,76.6m。1778m2。-。,,,、、。,、。,,。,36,154m,,3(1~11、12~23、23~36),54      CONSTRUCTIONTECHNOLOGY20091238 12、、。,、。,、、。2 1) ,100%。,。2) 80%,,,,。3) ,、,,、。4) ,,,。,,,,。3 1)3.0m,,,、。2),,3.0m,,,1。,,。3)、,,,。(125mm)、,,,。、,,CGM,。4 1)。14@130,6@200。C30,15mm。2),2m,,。3)18,。4),。5),,。5 ,600mm,100mm,≤350mm;1800mm,3,300mm;50mm×100mm×250mm,U100mm×100mm;,,,。6 :※※※※※※。6.1 1),,,,3m1。2),,800mm,。6.2 1) ,,。C30。2) 1300mm、80mm1a;1b。1 Fig.1 Coveringmethodofcoverplateinlatepouredbandofroof 6.3 75%,,,2%。2009No.12:55   C15,,。,2。,,。2 Fig.2 Reservationpumppipeforcoverplate 6.4 C15,。、、、。6.5 1) 《》GB50108-2008,14d。,、、,,。3 Fig.3 Fabricationoflift-upinterface 2) ,(250±20)mm;(1h)≤20mm,、;;,,5~16mm;,;,;,WEA。8h。3) WSL90D-20,:91m3h;14.3MPa。4)、 └50×5、1400mm×800mm×8mm500mm。3。500mm300mm×270mm×20mm,820mm,180mm×500mm×10mm。,。4。4 Fig.4 Fabricationofcheckvalve 6.6 1) ,,12mm,4,、。5。5 、Fig.5 Installationoflift-upinterface,checkvalveandpumppipe 2) ① 1。,30min。②、,,。,,。③,,,,。④、,。,。⑤,,,。⑥、、,。⑦,,,,。,,。。⑧,56   38,,。,,CGM-1,12,,。⑨,,。⑩,。1170%。12,,,,。13,,,。14,,、,。15(100m3),,13,。6.7 1),。2),50%,4,。3),100%,。7 1),,,,。2),,。3),。、,,,。4),,。5),,。6),1。1,。7),90°,500mm,。8),。9)。10)。11),。8 1):①、,、,,。②,、、、。③,,,。④,、、,。2):①,,。②、、。③,。:[1] ()[M].:,2003.Buildingconstructionmanual(4thedition)[M].Beijing:ChinaArchitecture&BuildingPress,2003.(inChinese)[2] GB50108-2008[S].:,2008.GB50108-2008Technicalcodeforwaterproofingofundergroundworks[S].Beijing:ChinaPlanningPress,2008.(inChinese)520091120,5。5201126,,“、”。5303B,5,4040m,2()3。3,“”,,。(摘自“中国工程建设网”2009-11-19)2009No.12:57   

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