文档介绍：1A411030建筑结构构造要求1A411030buildingstructureconstructionrequirements1A411031masterstructuralrequirementsConcretestructurecharacteristic:highstrengththemodulusisgooddurability,goodfireresistanceintegrityandductilityeasytouseDisadvantages:selfimportant,plexconstruction,longconstructionperiodReinforcingbarsHPB235,HrB335,HRB400,RRB400,pressivestrengthissolidstrength,grade14,cl5-pressivestrength,150*150*300ThetensilestrengthofconcreteislowItisnotpossibletodesignsuperstiffenedbeamsandbeamswithfewtendons,whicharebrittlefailureswithoutwarningBearingmeasuresofbeamobliquesectioninfluencefactor、shearspanratioandspanspanratioconcretestrengthgradethenumberofabdominaltendons(stirrups,bendingsteelbar)Measureslimittheminimumsizeofthebeamsection,includingtheconcretestrengthgradewithstirrupsthelasttwocannotmeet,withbendingreinforcementTheratioofthelengthtothesideratioislessthan2forthetwo-wayplate,and2-3,accordingtothebidirectionalplate,whentheone-wayedgeoftheshortedgeispressed,thereinforcingribisarrangedwithoutthedirectionofthelongside・Greaterthan3,pressone-wayplateThecontinuousbeamplatehaspositivebendingmomentinthemidspan,andthesupporthasanegativebendingmoment,andthemiddlespaniscalculatedbythemaximumpositivemoment,,heatpreservation,fireresistanceanddurability・,column,pressivestrengthrelativetothebulkorlowminimumbendingstrength・Occupationoffertilefarmland,energyconsumption,fromthemajor,highlaborintensity,transportationlosses・BrickstrengthgradeMU,,,five,15,10,,5,,alongthenothardened,andcoldareasbyfreezingmethod,thecheckvalueof0Factorsinfluencingthestrengthofbrickmasonry:strengthgradeofbrick,strengthgradeandthicknessofmortar,qualityofmasonry(plumpness,moisturecontentofbrick,levelofoperator)alculation;transversewallspacingOverall,purlinreinforcedconcreterigidelastic32一一72Pur