calculo zapatas aislada.xls

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A.- CARGAS MUERTAS p.p. losa = (2.4*0.15*1.5*(1.5/2)+2.4*0.15*2.5*(2.5/2+1.5)*ATAN(1.5/2 viga = 2.4(0.25*0.30*1.5) columna = 2.4*(0.20*0.20*1.30) B.- CARGA VIVA sobrecarga = 0.30*1.5*1.5 R*(1.5/2)-2.4*0.15*1.5*(1.5/2)-2.4*0.15*2.5*(2.5/2+1.5)*ar R= (2.4*0.15*1.5*(1.5/2)+2.4*0.15*2.5*(2.5/2+1.5)*ATAN(1.5/2 PD PL ΣM = 0

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METRADOA.-CARGAS MUERTASp.p. losa=(2.4*0.15*1.5*(1.5/2)+2.4*0.15*2.5*(2.5/2+1.5)*ATAN(1.5/2.5))/(1.5/2)2.32Tnviga=2.4(0.25*0.30*1.5)0.27Tncolumna=2.4*(0.20*0.20*1.30)0.12TnPD2.71TnB.-CARGA VIVAsobrecarga=0.30*1.5*1.50.68TnPL0.68TnM = 0R*(1.5/2)-2.4*0.15*1.5*(1.5/2)-2.4*0.15*2.5*(2.5/2+1.5)*arctan (1.5/2.5)R=(2.4*0.15*1.5*(1.5/2)+2.4*0.15*2.5*(2.5/2+1.5)*ATAN(1.5/2.5))/(1.5/2)2.32Tn

ZAPATA AISLADAPROYECTO : AULAS E.P.M. N 0054 - MIRAFLORESZAPATA AISLADAZapatas Apoyo EscaleraDATOS DE ZAPATA/CIMENTACINZ-2Z-3Z-4COLUMNA :F'c (KG/CM2) =175PD ( Tn )2.712055FY(KG/CM2) =4200PL ( Tn )0.683515P.E.T (Tn/M3)=1.91PS ( Tn )3.395570D (KG/CM2)=0.6PU ( Tn )4.9593109.5Hf ( M ) =2.00Columna B (cm)254050S/C (KG/M2)=300D ( cm )404050BAs ( )1/23/41fc ( KG/CM2 ) =175350350PDfc ( KG/CM2 ) =175175175PLESFUERZO NETO DEL TERRENO (Tn/m2) =0.561.881.88PREDIMENSIONAMIENTOZ-2Z-3Z-4AZ ( M2) =6.1029.337.2Az=PS/L2.475.416.1TB2.555.416.1TS2.405.416.1B1.601.351.55En el caso de la zapata Z-2 (eje C-C)S1.601.351.55se verificaque se necesita un reaLvB0.680.480.53de 0.60 m2 y viendo las condiciones de posiblesLvS0.600.480.53asentamientos, se cambir estaAz2.561.822.40zapata por cimiento corrido con un anchoSnde 060 m, que por un metro da el rea que se necesita.REACCION NETA DEL TERRENOmZ-1Z-3Z-4WU=PU/AzWU (TN/M2) =1.9351.145.63BDIMENSIONAMIENTO DE LA ALTURA Hz DE LA ZAPATA POR PUNZONAMIENTOCONDICION DE DISEOVU/=1/(PU-WU(B+d)(D+d))Z-1Z-3Z-4c=Dmayor/Dmenor1.6111.31.62bo=2m+2n1.3 + 2xd1.6 + 2xd2 + 2xdf11.061.061.06f2a478.694527.864522.394b156.203231.586284.012c-4.757-84.824-98.093b2-4*a*c33507.966641232734.21914285635.594712183.052482.425534.449d1 ( cm )2.823.824d2-0.354-0.676-0.783usarh (cm)=403535d (cm )=312525VERIFICACION POR LONGITUD DE ANCLAJE POR COMPRESIONC-1C-3C-41.271.9052.54ldb>=20.00 cm.ldb=0.08*db*fy/f'c324865ldb>=0.004*db*fy213243h minimo425875VERIFICACION POR CORTANTEVdu= (Wu*S)(Lv - d)Z-1Z-3Z-4Vn=Vu/oVdus=0.9015.8719.80Vc=0.53Vn1.1018.7023.30Vc34.7823.6627.17Vc > VnOKOKOKVduB=1.1415.8719.80Vn1.3018.7023.30Vc34.7823.6627.17Vc > VnOKOKOKDISEO POR FLEXIONZ-1Z-3Z-4Mus=0.717.959.93W0.0029370.0620910.067784AS1 (CM2)0.608.7010.90AS1 (CM2)8.908.7010.901/21/21/21.271.271.271.291.291.29N Varillas779Se utilizar:S =0.240.200.17 1/2" @ .15 ambos sentidosMUB0.567.959.93W0.0023160.0620910.067784AS2 (CM2)0.508.7010.90AS2 (CM2)8.908.7010.901/21/25/8AS21.271.271.5881.291.291.99N Varillas776S =0.240.200.28VERIFICACION DE ASMIN.AS1Asmin= 0.0018xbxdZ-1Z-3Z-4Asmin1= 0.0018xSxD ( cm2 )8.906.107.00Asmin2= 0.0018xBxD ( cm2 )8.906.107.00TRANSFERENCIA DE FUERZA EN LA INTERFASE DE COLUMNA Y CIMENTACINA.- RESISTENCIA AL APLASTAMIENTO SOBRE LA COLUMNAC-1C-3C-4Pu ( Tn )4.9593.00109.50Pnb>PnPn =Pu/o7.07132.86156.43Pnb=0.85*fc*Ac148.75476.00743.75CondicinOKOKOKB.- RESISTENCIA AL APLASTAMIENTO EN EL CONCRETO DE LA CIMENTACIONZ-1Z-3Z-4Pu ( Tn )4.9593.00109.50Pn =Pu/o7.07132.86156.43Pnb=0.85*fc*Ao297.50476.00743.80Pnb>PnPnb > PnOKOKOKAo200032005000Xo=B*Dc/Bc2.561.351.55A2=Bz*Xo4.11.822.4(A2/A1)6.43.43.1As---------------

maslucan:Lv>50.00 cmgancho 1/2=25 cm.5/8=30.0 cm, 3/4=40.0cm1" = 70.00 cm.maslucan:USAR 4 COMO MNIMO