单向板肋梁楼盖设计计算书参考例题DesignTaskBookforXXXI。XXXTopic:XXX.Objectives:1.UnderstandtheXXXofthesimplediagramforaone-wayribbedslab.2.MasterXXX.3.MasterthemethodofXXXwiththedrawingmethodforinternalforceXXXdiagram.4.XXX.5.MasterthenmethodforXXXdrawings。drawingns。andXXX.6.LearntocompileaXXX.II。DesignContent1.Structuralplanlayout:layoutofcolumns。mainbeams。secondarybeams。andplates2.XXX)3.XXX)4.XXX)5.Drawingofstructuralndrawings1)Structuralplanlayout(1:200)2)Platercementdrawing(1:50)3)Secondarybeamrcementdrawing(1:50.1:25)4)Mainbeamrcementdrawing(1:40.1:20)andbendingmomentM。shearforceVXXXdiagram5)rcementdetaillistanddrawingnsIII。DesignData1.Theliveloadstandardvalueoftheflooris9.0kN/m2.2.Theself-weightofthefloorlayerofterrazzois0.65kN/m2.andthemixedmortarplasterofthebeamandplateceilingis15mm.3.Materialn:(1)concrete:C25.(2)steelbars:HRB335gradesteelbarsformainandsecondarybeams。andHPB235gradeXXX.DesignnBookforCast-in-XXXI。StructuralPlanLayout:1.Thespanofthemainbeamisdeterminedtobe6.6m。thespanofthesecondarybeamis5m。andtwosecondarybeamsarearrangedineachspanofthemainbeam。Thespanoftheplateis2.2m。Thelayoutofthefloorstructureisasfollows:1l=55mmmeetsXXXanddoesnotneedtobeXXXindustrialbuildings。h≥80mmisrequired。andtheXXX=80mm.1113.Thenheightofthesecondarybeamshouldmeeth=(~)L=(278~417)mm。andh=400mmistaken。Thenb=(~)h=(133~200)mm。andb=200mmisXXX.31114.Thenheightofthemainbeamshouldmeeth=(~)L=(440~660)mm。andh=400mmistaken。Thenh=(~)h=(200~300)mm。andb=250mmisXXX.32.Accordingtothehigh-span。n。whenh≥40.itmeetsthestiffnessrequirements.II。PlateDesign(XXX):1.Loadn:Permanentloadstandardvalueoftheplate:Takea1mXXX:Terrazzosurfacelayer:0.65×1=0.65kN/m80mmXXX:0.08×25=2kN/m15mm板底混合砂浆的设计值为0.255kN/m。恒载为2.905kN/m，活载为9kN/m。由于工业建筑楼盖且楼面活荷载标准值大于该板为80mm厚的钢筋混凝土板，中间有次梁。次梁的截面为200mm×400mm。现浇板在墙上的支承长度不小于100mm，取板在墙上的支承长度为120mm。按塑性内力重分布设计，板的计算边跨为2030mm，中跨为2000mm。板为多跨连续板，跨数超过五跨的等截面连续板，其各跨受荷相同，且跨差不超过10