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1、框架结构设计要点()Themainpointsoftheframestructuredesignandprocess2010-01-1218:331.structuraldesignnotesDesignismainlybasedonseismicgrade,airdefenselevel,andthebearingcapacityofthefoundation,moistureimpermeabilitypractice,thevalueofliveload,materialgrade,matte
2、rsneedingattentionintheconstructionwithdetails,generaldetailsornodes,aswellasintheconstruct!onnotshowninthefiguretoexpressthroughthatinformeition.Suchastheconcretealkalicontentshallnotexceed3kg/m3.2.thestructurallayoutofeachfloor,including:(1).Thepreca
3、stslablayout(plateselection,slabsizeandreinforcement)・Marknumberandtypeoftheprecastslab,donotusediagonalform.Becausethismethodiseasytocausethecrossingoftheline,thehorizontalorverticallinesshouldbeadopted,andthetypeofroomshouldbemarkeddirectlywiththesam
4、etypeofroom.Shouldbeunifiednumberofthewholefloor,canreducethedesignworkload,butalsofacilitatetheconstructionstafftolookat.Asfarastheseam40,theseamunworthyofthemuscleorwitharib.Theroomlayoutfromtheinsideout,asfaraspossibletheuseofwideplateslabwithinthew
5、indow,thebestbanchvidthofmorethan200cast-in-placeslab(consideringtheriserwearplateplumbing)・Iftheentirewaterlayerconstructionrequirements,seamsshouldbegreaterthan60.Theoverallcastingthicknessis50,withtwo-wayphi6@250,concreteC20.Generally,thepureframest
6、ructuredoesnotneedthewholecastinglayer・Prefabricatedslabsshallnotbeallowedatconstructionalpoles・Theundergroundgaragecannotbeprefabricatedduetofireprotectionrequirements.Theframestructureshouldnotuselongslab,otherwisethelongslabisparalleltotheframebeam,
7、soitiseasytocrack・RecommendtheuseofartificialPMCADlayoutfunctionclothpanels,automaticlayoutmaynotmeettherequirementsoftheconstructionplans,canonlymeettherequirementsofloadtransferroutedefinition.Verysensitivetothefloorclearheight,overaspanof6.9metersor
8、notinlinewiththemoduluscanbeusedwhentheSPboard,SPboard120canbe7.2metersthickcross・(1)thereinforcingbarsofthecast-in-placeslab(plate,lowerreinforcement,platethickness)・Boardthicknessgenerallytake120,140,160,180,foursizes,or120,150,180,th