COLUMNAS DISEÑO

Hoja1DISEO DE COLUMNASPREDIMENSIONAMIENTOMoMdMlPL=5.00tnMa=8.0003.000PD=8.00tnMb=8.0005.000F'C=210kg/cm2Mb'=59.1FY=4200kg/cm2Ln=270cmPu =19.7tnAg = 1.25*pu / 0.25*f'cAg =0.3095cm2Usar :b =30cmt =50cmLongitud de Calculo de la columnav-3c-3v-2bc-2v-1ac-1Elementobh-tIEL(cm)columna 13050312500217370.651192842270.002.4074074074columna 23050312500217370.651192842270.002.4074074074columna 33050312500217370.651192842270.00viga 13050312500217370.651192842650.00viga 23050312500217370.651192842650.00Ya =2.4074074074Yb =2.4074074074K=1.7tabla 1.01K=1.00* Si la columna esta arriostrada usar k =1.00 ( caso contrario k >1.00 )Luc =K*LnLuc =459cmIndice de Esbeltezklu/ydonde y=radio de giroy=0.3*ty =15Klu/y =30.6>22 d>>1.00d = Cm / (1-(Pu/(*pc))* Si la columna esta arriostrada usar Cm =1.00EI = Ec*Ig / 2.5*(1+Bd)Bd=0.4523809524Bd=0.6835871404EI =60062943092.7589d =1.1367148858PC=233.9935732221

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