REVISIÓN BIAXIAL DE ZAPATA CUADRADA AISLADA A-4 Materiales y Solicitaciones
Pu = MuL = MuB = s ad = fy= f'c = b= l= F.C.S = P= ML = MB = eL = eB =
280 kN 0 kN·m 0 kN·m 0.26 MPa 420 MPa 21 MPa 250 mm 600 mm 1.0 280 kN 0 kN·m 0 kN·m 0.00 m 0.00 m
Cortante por Pu + MuL Directo h = 250 mm d'= 50 mm d = 200 mm n c = 0.76 MPa n nL = 0.04 MPa Indirecto n nB = 0.30 MPa
Flexión por Pu + MuB Directo MB = 21 kN·m r B= 0.0014 AsB = 378 mm² Acero Mínimo Indirecto ML = 7 kN·m r L= 0.0004 AsL = 378 mm² Acero Mínimo
Cortante por Pu + MuB Directo n nB = 0.30 MPa Indirecto n nL = 0.04 MPa
h=
MuB
Lado L Distribución del Acero b=1 2 / (b+1) = 1
Dimensiones en Planta L min = 1038 mm B min = 1038 mm L = 1050 mm B = 1050 mm Área = 1102500 mm² s máx = 0.254 MPa s min = 0.254 MPa s para MUL s máx = 0.254 MPa s min = 0.254 MPa s para MUB s máx = 0.254 MPa s min = 0.254 MPa
250 mm
MuL
Lado B
Punzonamiento a s = 40 b c = 2.4 b0 = 2500 mm Vu2 = 189 kN n n2 = 0.44 MPa n p1 = 1.53 MPa n p2 = 1.99 MPa n p3 = 1.40 MPa n p = 1.40 MPa
Flexión por Pu + MuL Directo ML = 7 kN·m r L= 0.0004 AsL = 378 mm² Acero Mínimo Indirecto MB = 21 kN·m r B= 0.0014 AsB = 378 mm² Acero Mínimo
AsL = 378 mm²
AsB = 378 mm²
L = 1050 mm
B = 1050 mm
DISEÑO DE ZAPATA MEDIANERA CON VIGA AÉREA EJEMPLO LIBRO DE GARZA Tensor y Presion en Suelo T = 157 kN s máx = 0.083 MPa s min = 0.070 MPa s para MUB s máx = 0.083 MPa s min = 0.070 MPa s para MUL s máx = 0.076 MPa s min = 0.076 MPa
Flexión por Pu + MuB Directo MB = 132 kN·m r B= 0.0011 AsB = 1782 mm² Acero Mínimo Indirecto ML = 104 kN·m r L= 0.0017 AsL = 891 mm² Acero Mínimo
Cortante por Pu + MuB Directo n c = 0.76 MPa n nB = 0.22 MPa Indirecto n nL = 0.28 MPa
Cortante por Pu + MuL Directo n nL = 0.28 MPa Indirecto n nB = 0.06 MPa
AsL2 = 297 mm²
Lado L
Datos Iniciales de Análisis Pu = 344 kN MuB = -38 kN·m MuL = 0 kN·m s ad = 0.10 MPa b = 400 mm l = 300 mm B = 1500 mm L = 3000 mm f y = 420 MPa f'c = 21 MPa C = 1000 mm h = 400 mm d' = 70 mm mv = 0.100 mm²/N m = 0.25 l = 0.75 d = 330 mm P = 344 kN MB = -38 kN·m ML = 0 kN·m eB = 0.11 m eL = 0.00 m F.C.S = 1.00 Ic = 1.60E+09 Es = 10.0 MPa Ec = 17872 MPa f = 0.833 KL = 0.0071 N/mm²/mm K = 0.0088 N/mm²/mm
Flexión por Pu + MuL Directo ML = 104 kN·m r L= 0.0017 AsL = 891 mm² Acero Mínimo Indirecto MB = 35 kN·m r B= 0.0003 AsB = 1782 mm² Acero Mínimo
Diseño de Viga Tensor bt = 400 mm ht = 400 mm Aa = 0.15 Tu = 326 kN Ast = 1600 mm² Acero Mínimo Fuerzas en el Pedestal Vu = 313 kN Mu = 186 kN·m
Punzonamiento b c = 1.3 b0 = 1760 mm Vu2 = 315 kN n n2 = 0.6 MPa a s = 30 n p1 = 1.53 MPa n p2 = 2.91 MPa n p3 = 1.91 MPa n p = 1.53 MPa
h = 400 mm
Distribución del Acero b=2 2 / (b+1) = 0.67 Zapata - Columna A1 = 120000 mm² A2 = 262725 mm² Puc = 2219 kN
MuB
AsL1 = 1188 mm²
MuB Pu AsL2 = 297 mm²
MuL
L= 3000 mm
T= C = 1000 mm
Lado B Acero para Colocar AsB = AsL1 = AsL2 =
Ast =
AsB = 891 mm²
B = 1500 mm
B
326 kN
DISEÑO BIAXIAL DE ZAPATA MEDIANERA CON VIGA AÉREA Tensor y Presion en Suelo T = 165 kN s máx = 1.062 MPa s min = -0.443 MPa s para MUB s máx = 0.316 MPa s min = 0.303 MPa s para MUL s máx = 0.541 MPa s min = 0.079 MPa Aumentar Dimensiones Cortante por Pu + MuB Directo n c = 0.76 MPa n nB = 0.71 MPa Indirecto n nL = -0.03 MPa
Flexión por Pu + MuB Directo MB = 345 kN·m r B= 0.0036 AsB = 2935 mm² Indirecto ML = 21 kN·m r L= 0.0004 AsL = 878 mm² Acero Mínimo Cortante por Pu + MuL Directo n nL = -0.05 MPa Indirecto n nB = 0.17 MPa
AsL2 = 367 mm²
Lado L
Datos Iniciales de Análisis Pu = 1161 kN MuB = 18 kN·m MuL = 361 kN·m s ad = 0.60 MPa b = 550 mm l = 1900 mm B = 1500 mm L = 2500 mm f y = 420 MPa f'c = 21 MPa C = 2800 mm h = 400 mm d' = 75 mm mv = 0.100 mm²/N m = 0.25 l= 1 d = 325 mm P = 1161 kN MB = 18 kN·m ML = 361 kN·m eB = 0.02 m eL = 0.31 m F.C.S = 1.00 Ic = 26342708333 mm4 Es = 10.0 MPa Ec = 17872 MPa f = 0.867 KL = 0.0071 N/mm²/mm K = 0.0092 N/mm²/mm
Flexión por Pu + MuL Directo ML = 35 kN·m r L= 0.0006 AsL = 878 mm² Acero Mínimo Indirecto MB = 87 kN·m r B= 0.0009 AsB = 1463 mm² Acero Mínimo
Diseño de Viga Tensor bt = 500 mm ht = 500 mm Aa = 0.25 Tu = 402 kN Ast = 2500 mm² Acero Mínimo Fuerzas en el Pedestal Vu = 330 kN Mu = 575 kN·m
Punzonamiento b c = 3.5 b0 = 3650 mm Vu2 = 665 kN n n2 = 0.7 MPa a s = 30 n p1 = 1.53 MPa n p2 = 1.78 MPa n p3 = 1.21 MPa n p = 1.21 MPa
h = 400 mm
Distribución del Acero b = 1.6666666667 2 / (b+1) = 0.75 Zapata - Columna A1 = 1045000 mm² A2 = 1469531 mm² Puc = 15484 kN
MuB
AsL1 = 2201 mm²
MuB Pu AsL2 = 367 mm²
MuL
L= 2500 mm
T= C = 2800 mm
Lado B Acero para Colocar AsB = AsL1 = AsL2 =
Ast =
AsB = 878 mm²
B = 1500 mm
B
402 kN
DISEÑO BIAXIAL DE ZAPATA MEDIANERA CON VIGA CENTRADORA Materiales y Solicitaciones
Pu = Pu2 = MuL = MuB = s ad = fy= f yv = f'c = b= l= D= h= d' = bt = ht = d= F.C.S = P= P2 = ML = MB = eL = eB =
458 kN 564 kN 6 kN·m 0 kN·m 0.30 MPa 420 MPa 420 MPa 21 MPa 600 mm 250 mm 3850 mm 400 mm 50 mm 300 mm 400 mm
Dimensiones en Planta L = 1800 mm B = 1500 mm Área = 2700000 mm² s máx = 0.234 MPa s min = 0.153 MPa
Cortante en la Viga n nd = 2.11 MPa n n = 0.72 MPa # Estribo = 3 / 8 plg S1max = 88 mm S2max = 175 mm Sd = 148 mm S = -4325 mm
Reacciones en Zapatas D R= 64 kN R1 = 522 kN R2 = 500 kN
Flexión en la Viga M- = 170 kN·m r -= 0.0148 As- = 1554 mm²
Cortante en la Zapata n c = 0.76 MPa n nB = 0.27 MPa
350 mm 1.00 458 kN 564 kN 6 kN·m 0 kN·m 0.01 m 0.00 m
M+ = 16 kN·m r += 0.0011
Lado L
MuB MuL
L= 1800 mm
B = 1500 mm
As+ = 189 mm² Acero Mínimo Flexión en la Zapata ML = 89 kN·m r L= 0.0013 AsL = 945 mm² Acero Mínimo AsB = 1134 mm²
Acero para Colocar As B = As L =
As + = As - = Avd = Av =
As - = As L =
S1
1134 mm²
400 mm
Lado B
h = 400 mm
1554 mm²
S2
S1
=ht
B=
1500 mm
ht - d' As + =
189 mm²
As B =
945 mm²
DISEÑO DE ZAPATA ESQUINERA CON VIGA AÉREA Datos Iniciales de Análisis Pu = 190 kN MuB = 0 kN·m MuL = 0 kN·m F.M = 0 s ad = 0.15 MPa b = 600 mm l = 250 mm B = 1000 mm L = 1000 mm f y = 420 MPa f'c = 21 MPa C = 1000 mm h = 450 mm d' = 70 mm mv = 0.100 mm²/N m = 0.25 l = 0.75 d = 380 mm P = 127 kN MB = 0 kN·m ML = 0 kN·m M = 0 kN·m F.C.S = 1.5 Ic = 10800000000 mm4 Es = 10.0 MPa Ec = 17872 MPa f = 1.000 KL = 0.0107 N/mm²/mm K = 0.0159 N/mm²/mm
Tensor y Presion en Suelo T = 25 kN To = 17 kN s máx = 0.127 MPa s min = 0.126 MPa s = 0.190 MPa
Momentos en la Losa ML = MT = 40 kN·m r = 0.0007 As = 684 mm² Acero Mínimo
Cortante n c = 0.76 MPa Vu = 4 kN n n = 0.01 MPa
Zapata - Columna A1 = 150000 mm² A2 = 1142400 mm² Puc = 3749 kN
Acero para Colocar
Fuerzas en el Pedestal Vu = 37 kN Mu = 37 kN·m
As = 684 mm² Momentos Viga Virtual MV = 63 kN·m r = 0.0020 As = 451 mm²
Acero en la Losa As = 684 mm² As = 684 mm²
Punzonamiento b c = 1.0 b0 = 1580 mm Vu2 = 71 kN n n2 = 0.1 MPa a s = 20 n p1 = 1.53 MPa n p2 = 2.60 MPa n p3 = 2.29 MPa n p = 1.53 MPa
As = 684 mm² Acero en Viga Virtual Asv = 451 mm²
Columna h = 450 mm
B= As = Asv = Ast =
Diseño de Viga Tensor bt = 400 mm ht = 400 mm Aa = 0.2 Tu = 36 kN Ast = 1400 mm² Acero Mínimo
1000 mm
Asv = 451 mm²
Materiales y Solicitaciones
Pu3 = Pu2 = Pu1 = s ad = fy= f yv = f'c = b= l= D1 = D2 = h= d' = bt1 = ht1 = bt2 = ht2 = d= C1 = C2 = F.C.S = P3 = P2 = P1 = MuB
190 kN 286 kN 372 kN 0.15 MPa 420 MPa 280 MPa 21 MPa 250 mm 600 mm 3950 mm 4700 mm 250 mm 50 mm 300 mm 300 mm 300 mm 300 mm 200 mm 3575 mm 4500 mm 1.5 127 kN 191 kN 248 kN
Dimensiones en Planta L = 1000 mm B = 1000 mm Área = 1000000 mm² s máx = 0.147 MPa
Reacciones en Zapatas R = 147 kN R1 = 14 kN R2 = 8 kN
Cortante en la Viga 1 n nd = 0.33 MPa n n = 0.33 MPa # Estribo = 3 / 8 plg S1max = 63 mm S2max = 125 mm Sd = -305 mm S = -305 mm
Cortante en la Viga 2 n nd = 0.33 MPa n n = 0.33 MPa # Estribo = 3 / 8 plg S1max = 63 mm S2max = 125 mm Sd = -305 mm S = -305 mm
Flexión en la Viga 1 M- = 64 kN·m r -= 0.0103 As- = 775 mm²
Flexión en la Viga 2 M- = 45 kN·m r -= 0.0069 As- = 519 mm²
Cortante en la Zapata n c = 0.76 MPa n n = 0.23 MPa
Flexión en la Zapata ML = MT = 46 kN·m r = 0.0032 As = 631 mm²
M+ = 2 kN·m r += 0.0002 As+ = 135 mm² Acero Mínimo
Lado B
As B =
631 mm²
M+ = 10 kN·m r += 0.0014 As+ = 135 mm² Acero Mínimo
Acero para Colocar As B = As L =
As1 + = As1 - = Avd1 = Av1 = As2 + = As2 - = Avd2 = Av2 =
MuL L=
1000 mm As - = S1
B=
Lado L
DISEÑO DE ZAPATA ESQUINERA CON VIGAS CENTRADORAS
1000 mm
ht1 =
h=
775 mm²
S2
S1
300 mm
250 mm ht1 - d'
VIGA CENTRADORA 1 As + = As - =
S1
ht2 =
135 mm² 519 mm²
S2
S1
300 mm
ht2 - d' As + =
135 mm²
VIGA CENTRADORA 2
As L =
631 mm²