1100200600ht152001002A2mm50hGUANGDONGARCHITECTURECIVILENGINEERING201411JAN2014No.11。。200m3~4。、1B2-10。2、21.05m2468309.4m+。、HRB400fy=360Nmm25500.5mm260Nmm2120gm2。600mm9m1。李冠尧1黄亮忠2(1、广州市第一建筑工程有限公司广州510060;2、广州建筑股份有限公司广州510060)广州市财富中心项目楼板结构外挑835~913mm,通过采用倒T型悬挑钢梁作为支撑支座,配合钢筋桁架模板,安全、经济、高效地完成了外挑楼板结构的施工。财富中心;外挑楼板结构;倒T型;悬挑钢梁TheConstructionTechnologyResearchandApplicationofCantileverSlabforHigh-riseBuildingLiGuanyao1HuangLiangzhong2(1、GuangzhouNo.1ConstructionEngineegingCo.,Ltd.Guangzhou510060,China;2、GuangzhouMunicipalConstructionGroupCo.,Ltd.Guangzhou510060,China)Abstract:InGuangzhouFortuneCeterproject,theoverhanglengthoffloorstructureis835~913mm.ByusinginvertedTtypecan-tileverbeamassupportingbearing,andcooperatedwithsteelbartrusstemplate,completedtheoverhangingconstructionoffloorslabstruc-turesafely,efficiently,andeconomically.Keywords:fortuneceter;cantileverslabstructure;invertedTtype;cantileverbeam385Z1Z1GL390003000GL1GL2835~913GL1GL2300030004TA8A1406001401601010TT140×160×10×10A-AJAN2014No.1201411835~913mm160mm4.2m2。T3。3TTT210mm140mm160mm4T12。4T4.1913mm160mm9.0m3.0m3m5。GL1~GL3WH450×300WH450×250WH600×300。T3m。4.2JGJ162-2008《》⑴GJGJ162-20084.1.1①G1k=0.75kNm2×3m=2.25kNm;②G2k=25kNm3×3m×0.16m=12kNm;③G3k=1.1kNm3×3m×0.16m=0.528kNm④G0k=0.25kNm。∑Gik=15.028kNm。⑵Q①Q1k=2.5kNm2×3m=7.5kNm②Q2k=2kNm2×3m=6kNm。∑Qik=13.5kNm。⑶。4.3gi1.2∑giGik=18.03kNmgi1.4∑giQik=18.9kNm。q=∑giGik+∑giQik=36.93kNm。4.464.5T140×160×10×10Q345BE=206×103MPa=206×106kNm2,s=310Nmm2=310×103kNm2,Ix=5.3586×10-6m4Wx=5.1714×10-5m322.765kgm。4.6MB=ql22=-0.5×36.9336×0.92=-14.9581kN·ms=MBWx=289.24Nmm2<s。4.7fa=ql48EI=2.75mmfa=l200=4.5mm。5TT。503T6q=36.93kNmMax=90039JAN2014No.1201411。3。⑵PVC、、、。304。3mm4mm100×100300kgm230。1.35m40×21.25m40×1.5。。、。3.2580%。rw=0.70.260%。。26%。。、。4、、、、、。⑴80%0.2⑵、⑶、⑷48%。1DBJ08-75-98S2DBJ08-75-98S3.S4S!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!⑴。T。⑵。。T、。⑶。。、。⑷。。T。3950