Z01Diseo de Estructuras de Concreto ArmadoZapata Combinada Ing.
Ovidio Serrano Zelada
Caso 01
Datos:Del nivel de cimentacinDe los materialesNPT = 0.30mf'c =
210Kg/cm2NFZ = -1.30mfy = 4200Kg/cm2hf = 1.60mDel suelo de
fundacinOtrost = 1.80Kg/cm2Lo = 4.85mKo = 5500Tn/m3s/c =
300.00Kg/m2
SolicitacionesDimensionesColumna 01Columna 02b (m)x-x0.400.50h
(m)y-y0.500.50CargasPD (Tn) = 55.3281.35PL (Tn) =
14.6322.50MomentosDireccin LongitudinalMD (Tn-m) = -0.044-0.065ML
(Tn-m) = 0.0530.077MS (Tn-m) = -11.401-17.540PS (Tn) =
-0.646-0.980Direccin TransversalMD (Tn-m) = -0.825-1.250ML Tn-m) =
-0.198-0.290MS (Tn-m) = 15.54023.200PS (Tn) = -0.067-0.100
Esfuerzo Neto del Terrenon=14.50Tn/m2
Dimensionamiento en Plantaa. Sin considerar
sismon=14.50Tn/m2P1=69.95TnML1=0.009Tn-mP2=103.85TnML2=0.012Tn-mR=173.80TnMT1=-1.023Tn-mMT2=-1.540Tn-mDiseo
de Estructuras de Concreto ArmadoZapata Combinada Ing. Ovidio
Serrano Zelada
A=11.986m2AdoptamosUbicacin de la ResultanteXg
=3.37mL=6.73me=0mB=1.78m
Verificacin de PresionesAdoptamosL=6.80mB=1.80m
1 = 13.50Tn/m214.50Tn/m2ERROR
Incrementamos el rea de la zapata en
10%A=13.46m2AdoptamosL=6.80mL=6.80mB=1.98mB=2.00m
1 = 12.21Tn/m222.10Tn/m2ERROR2 = 25.71Tn/m2>22.10Tn/m2ERROR3
= 15.96Tn/m2
