DISEÑO MUROS DE CONCRETO ARMADO H = 7.10 M 1. DATOS DE ENTRADA DIMENSIONAMIENTO PLANTEADO DEBIDO A RESTRICCIONES Datos de Suelo g1 = f1 =
DEL TERRENO EN AMBOS LADOS g2 = f2 = s suelo = Ka = Kp = μ =
3
tn/m °
1.80 32
3
tn/m 1.80 32 ° kg/cm2 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
1.00 1.8 0.70 0.65 3.15
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
Espesor de Muro t1 (sup) = t2 (inf) =
0.30 m 0.70 m
H pantalla =
1.70 m 7.10 m
7.10 m
gconcreto =
2 210 kg/cm 3 4200 kg/cm
f'c = fy =
S/C
m m m m m
3 2.40 tn/m
2 0.30 tn/m
=
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
300
=
E s/c
=
90
8.10
=
M s/c =
729
4.05
=
0.30
1800
90 kg/m 729 kg 2952.45 kg.m
Ka Wa
=
Ea
8.1
4374 kg/m
=
4374
4.05
17714.7 kg
Ma
=
17714.7
2.7
47829.69 kg.m
Wp
=
3.00
1800.00
2.70 =
Ep
=
14580
1.35
=
19683 kg
Mp
=
19683
0.9
=
17714.7 kg.m
Kp 14580 kg/m
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD Zonas 1
L
γ
0.65
7.1
1800
Cargas (kg) 8,307.00
Brazo de Giro (m) 2.83
Momentos (kg.m) 23,467.28
2
0.7
7.1
2400
11,928.00
2.15
25,645.20
3
1.8
1.7
1800
5,508.00
0.90
4,957.20
4
3.15
1
2400
7,560.00
1.58
11,907.00
300
540.00
2.83
1,525.50
2,044.80
1.65
5
H
1.8 ancho
6 columnas extremas
0.3
0.4
7.10
2400
35,887.80 VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
VERIFICACION POR VOLTEO
18443.7 Kg
1.94
35,832.51 Kg >
1.50
CORRECTO
3,373.92 70,876.10
Mact
=
M s/c + Ma
50,782.14 kg.m
Mres
=
Mp + ΣMomentos
Fsv
=
1.74
88,590.80 kg.m >
1.50
CORRECTO
PRESION DEL TERRENO
e=
B Mres Mact 2 P
σ=
ΣP =
35,887.80 kg
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
35887.8 = 1.05
2
37,808.66 kg.m
17032.26667
1.703226667
1.054 m 0.521 m
B/6 =
0.525 m
>
0.521
CORRECTO
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
Vu =
6901.20
3.55
=
24,499.26 Kg
24499.26 2.36666667
=
57,981.58
Mu =
1800
7.1 =
6,901.20 kg/m
d Vc =
b x d
0.85
=
0.53
100
x
14.4913767
100
65
=
Vu 24,499.26
42,434.37 >
65
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): 2 f'c (Kg/cm ): f: fy (Kg/cm2):
70.00 5 65 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 57.981582 24.70
φ 1" @ 0.30 m + BASTONES DE 5/8" @ 30 r = As bd
=
r min = 0.0018
0.0040 >
Refuerzo Mínimo
Acero colocado:
26.25 cm2
OK!
parte superior = 0.0018 x 100 x 0.3 = parte inferior = 0.0018 x 100 x 0.7 =
5.4 cm2 / m 12.6 cm2 / m
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As 1 = As2 se obtiene
Kg Mmax/2= a s x1.7x(5hc)3 6
f s K a = tan 2 45 = h 2 sv
Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
1.4 2.05 m 2.1 m
=
2.40 m
As = rt bt d Arriba: = 0.0018 x 100 x 30 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
5.4 cm2 / m 3.6
f 1/2" @ 0.30 m
CORRECTO
2 3
A
st
=
1 3
A
st
=
Intermedio:
= 0.0018 x 100 x 50 =
9 cm2 / m
2 3
A
st
=
6
f 1/2" @ 0.25 m
1 3
A
st
=
3
f 3/8" @ 0.25 m
Abajo:
= 0.0018 x 100 x 70 =
2 3
A
st
1 3
A
st
12.6 cm2 / m
=
8.4
f 5/8" @ 0.25 cm
=
4.2
f 1/2" @ 0.30 m
36f = 36 x 1.91 = f 3/4" @ 0.30 m
Acero de montaje:
f 3/8" @ 0.30 m
1.8
68.76 < S
Smax = 30 cm
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
wu =
1.67
σ= 17032.27 =
Mu =
28443.88534
1.62 =
Vu
=
Wu ( B3-d) =
Vc = b x d =
28443.88534 kg 46079.09 kg.m 25599.50 kg
0.85
0.53
100 x
14.4913767
100
90
=
58,755.29 >
25,599.50 CORRECTO
90
=
58,755.29 >
-6,651.00 CORRECTO
90
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): 2 f'c (Kg/cm ): f: fy (Kg/cm2):
100.00 10 90 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 46.08 13.79
Se coloca acero en doble malla : f 5/8" @ 0.25 m
Acero colocado :
en doble malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
Vu
Wu ( B3-d) =
=
Vc =
-6651 kg
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
Asmin zapata :
14.4913767
100
90 =
5620.095
Datos h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
26604 Kg/m
Momentos en tn.m 100.00 10 90 100 210 0.9 4200
0.0018
En cada cara :
b (cm) M (tn.m) As (cm2)
100
9 cm2
100.00 =
100 5.62 1.66
=
18
cm2
f 5/8" @ 0.25 m
Refuerzo transversal As temp = 0.0018 x 100 x 100 = En cada cara
18 9
f 5/8" @ 0.30 m
DISEÑO MUROS DE CONCRETO ARMADO H = 6.50 M 1. DATOS DE ENTRADA
DIMENSIONAMIENTO PLANTEADO DEBIDO A RESTRICCIONES DEL TERRENO EN AMBOS LADOS Datos de Suelo
g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
3
tn/m °
1.80 32
tn/m3 1.80 32 ° kg/cm2 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
1.00 1.8 0.55 0.5 2.85
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
Espesor de Muro t1 (sup) = t2 (inf) =
0.30 m 0.55 m
H pantalla =
1.7 m 6.5 m
6.50 m
gconcreto =
2
210 kg/cm 3 4200 kg/cm
f'c = fy =
S/C
m m m m m
3
2.40 tn/m
2 0.30 tn/m
=
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
300
=
E s/c
=
90
7.50
=
M s/c =
675
3.75
=
0.30
1800
90 kg/m 675 kg 2531.25 kg.m
Ka Wa
=
Ea
7.5
4050 kg/m
=
4050
3.75
15187.5 kg
Ma
=
15187.5
2.5
37968.75 kg.m
Wp
=
3.00
1800.00
2.70 =
Ep
=
14580
1.35
=
19683 kg
Mp
=
19683
0.9
=
17714.7 kg.m
Kp 14580 kg/m
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
γ
0.5
6.5
1800
Cargas (kg) 5850
0.55
6.5
2400
8580
3
1.8
1.7
1800
4
2.85
1
2400
5
1.8
2
H
300
2.6
Momentos (kg.m) 15210
2.075
17803.5
5508
0.9
4957.2
6840
1.425
9747
540
2.60
27318 VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
15862.5 Kg
2.02
31,976.10 Kg >
1.50
CORRECTO
Brazo de Giro (m)
1404 49121.7
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
40,500.00 kg.m
Mres
=
Mp + ΣMomentos
66,836.40 kg.m
Fsv
=
1.65
>
1.50
CORRECTO
PRESION DEL TERRENO
e=
B Mres Mact 2 P
σ=
ΣP =
27,318.00 kg
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
27318 = 0.96
2
26,336.40 kg.m
14168.09291
1.416809291
0.964 m 0.461 m
B/6 =
0.475 m
>
0.461
CORRECTO
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
1800
6.5 =
6,318.00 kg/m
Vu =
6318.00
3.25
=
20,533.50 Kg
Mu =
20533.5 2.16666667
=
44,489.25
d Vc =
b x d
0.85
=
0.53
100
x
14.4913767
100
50
=
Vu 20,533.50 CORRECTO
32,641.83 >
50
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
55.00 5 50 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 44.48925 25.01
φ 1" @ 0.30 m + BASTONES DE 5/8" @ 30 r = As bd
=
r min = 0.0018
0.0053 >
Refuerzo Mínimo
Acero colocado:
26.25 cm2
OK!
parte superior = 0.0018 x 100 x 0.3 = parte inferior = 0.0018 x 100 x 0.55 =
5.4 cm2 / m 9.9 cm2 / m
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As 1 = As2 se obtiene
Kg Mmax/2= a s x1.7x(5hc)3 6
f s K a = tan 2 45 = h 2 sv
Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
1.282 1.78 m 1.8 m
=
2.20 m
As = rt bt d Arriba: = 0.0018 x 100 x 30 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
5.4 cm2 / m 3.6
f 1/2" @ 0.30 m
2 3
A
st
=
1 3
A
st
=
Intermedio:
= 0.0018 x 100 x 42.5 =
2 3
A
st
1 3
A
st
Abajo:
7.65 cm2 / m
=
5.1
f 1/2" @ 0.25 m
=
2.55
f 3/8" @ 0.25 m
= 0.0018 x 100 x 55 =
2 3
A
1 3
A
9.9 cm2 / m
st
=
6.6
f 5/8" @ 0.25 cm
st
=
3.3
f 1/2" @ 0.30 m
36f = 36 x 1.91= f 3/4" @ 0.30 m
Acero de montaje:
f 3/8" @ 0.30 m
1.8
68.76 < S
Smax = 30 cm
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
1.67
σ= 14168.09 =
23660.71515
1.62 =
wu = Mu = Vu
=
Wu ( B3-d) =
Vc = b x d =
23660.71515 kg 38330.36 kg.m 21294.64 kg
0.85
0.53
100 x
14.4913767
100
90
=
58,755.29 >
21,294.64 CORRECTO
90
=
58,755.29 >
-9,864.00 CORRECTO
90
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
100.00 10 90 100 210 0.9 4200
b (cm) M (tn.m) 2 As (cm )
100 38.33 11.44
Se coloca acero en doble malla : f 5/8" @ 0.25 m
Acero colocado :
en doble malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
24660 Kg/m
Vu
Wu ( B3-d) =
-9864 kg
=
Vc =
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
Asmin zapata :
100
90 =
3082.5
Datos h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
14.4913767
Momentos en tn.m 100.00 10 90 100 210 0.9 4200
0.0018
En cada cara :
b (cm) M (tn.m) As (cm2)
100
9 cm2
100.00 =
100 3.0825 0.91
=
18
cm2
f 5/8" @ 0.25 m
Refuerzo transversal As temp = 0.0018 x 100 x 100 = En cada cara
18 9
f 5/8" @ 0.30 m
DISEÑO MUROS DE CONCRETO ARMADO H = 5.10 M 1. DATOS DE ENTRADA
DIMENSIONAMIENTO PLANTEADO DEBIDO A RESTRICCIONES DEL TERRENO EN AMBOS LADOS Datos de Suelo
g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
3
tn/m °
1.80 32
tn/m3 1.80 32 ° kg/cm2 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
0.80 1.8 0.45 0.5 2.75
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
Espesor de Muro t1 (sup) = t2 (inf) =
0.30 m 0.45 m
H pantalla =
1.7 m 5.1 m
5.10 m
gconcreto =
2
210 kg/cm 3 4200 kg/cm
f'c = fy =
S/C
m m m m m
3
2.40 tn/m
2 0.30 tn/m
=
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
300
=
E s/c
=
90
5.90
=
M s/c =
531
2.95
=
0.30
1800
3186
2.95
90 kg/m 531 kg 1566.45 kg.m
Ka Wa
=
Ea
=
5.9
3186 kg/m 9398.7 kg
Ma
=
9398.7 1.96666667
18484.11 kg.m
Wp
=
3.00
1800.00
2.50 =
Ep
=
13500
1.25
=
16875 kg
Mp
=
16875 0.83333333
=
14062.5 kg.m
Kp 13500 kg/m
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
γ
0.5
5.1
1800
Cargas (kg) 4590
0.45
5.1
2400
5508
3
1.8
1.7
1800
4
2.75
0.8
2400
5
1.8
2
H
300
2.5
Momentos (kg.m) 11475
2.025
11153.7
5508
0.9
4957.2
5280
1.375
7260
540
2.50
21426 VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
9929.7 Kg
2.67
26,516.70 Kg >
1.50
CORRECTO
Brazo de Giro (m)
1350 36195.9
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
20,050.56 kg.m
Mres
=
Mp + ΣMomentos
50,258.40 kg.m
Fsv
=
2.51
>
1.50
CORRECTO
PRESION DEL TERRENO
e=
ΣP =
B Mres Mact 21,426.00 kg 2 P
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
σ=
21426 = 1.41
2
30,207.84 kg.m
7598.581626
0.759858163
1.410 m -0.035 m
B/6 =
0.45833333 m
>
-0.035
CORRECTO
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
1800
5.1 =
4,957.20 kg/m
Vu =
4957.20
2.55
=
12,640.86 Kg
Mu =
12640.86
1.7
=
21,489.46
0.85
0.53
d Vc =
b x d
=
100
x
14.4913767
100
40
=
Vu 12,640.86 CORRECTO
26,113.46 >
40
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
45.00 5 40 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 21.49 14.86
φ 3/4" @ 0.30 m + BASTONES DE 5/8" @ 30 r = As bd
=
r min = 0.0018
0.0044 >
Refuerzo Mínimo
Acero colocado:
17.45 cm2
OK!
parte superior = 0.0018 x 100 x 0.3 = parte inferior = 0.0018 x 100 x 0.45 =
5.4 cm2 / m 8.1 cm2 / m
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As 1 = As2 se obtiene
f sh Kg 2 3 = tan 45 = Mmax/2= a s x1.7x(5hK ) c a 2 sv 6 Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
1.006 1.41 m 1.5 m
=
1.70 m
As = rt bt d Arriba: = 0.0018 x 100 x 30 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
5.4 cm2 / m 3.6
f 1/2" @ 0.30 m
2 3 1
3
Intermedio:
2 3 1
3
Abajo:
2 3 1
3
A
st
=
A
st
=
= 0.0018 x 100 x 37.5 =
6.75 cm2 / m
A
st
=
4.5
st
=
2.25
A
= 0.0018 x 100 x 45 =
st
=
2.7
st
=
A
A
f 1/2" @ 0.25 m f 3/8" @ 0.25 m
8.1 cm2 / m 5.4
36f = 36 x 1.59 = f 5/8" @ 0.25m
Acero de montaje:
f 3/8" @ 0.30 m
1.8
f 5/8" @ 0.25 cm f 1/2" @ 0.30 m
57.24 < S
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
1.67
σ= 7598.58 =
12689.63132
1.62 =
wu = Mu = Vu
=
Wu ( B3-d) =
Vc = b x d =
12689.63132 kg 20557.20 kg.m 13958.59 kg
0.85
0.53
100 x
14.4913767
100
70
=
45,698.56 >
13,958.59 CORRECTO
70
=
45,698.56 >
-3,880.80 CORRECTO
70
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
80.00 10 70 100 210 0.9 4200
b (cm) M (tn.m) 2 As (cm )
100 20.56 7.87
Se coloca acero en doble malla : f 5/8" @ 0.30 m
Acero colocado :
en doble malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
Vu
Wu ( B3-d) =
=
Vc =
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
14.4913767
100
70 =
2425.5
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
Asmin zapata :
19404 Kg/m -3880.8 kg
80.00 10 70 100 210 0.9 4200
0.0018
En cada cara :
b (cm) M (tn.m) As (cm2)
100
7.2 cm2
80.00 =
100 2.4255 0.92
=
14.4
cm2
f 5/8" @ 0.30m
Refuerzo transversal As temp = 0.0018 x 100 x 80 = En cada cara
14.4 7.2
f 5/8" @ 0.30 m
DISEÑO MUROS DE CONCRETO ARMAD H = 5.10 M 1. DATOS DE ENTRADA
Datos de Suelo g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
tn/m3 °
1.80 32
1.80 32 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
f'c = fy =
S/C
=
2 210 kg/cm 3 4200 kg/cm
0.80 1.8 0.45 0.5 2.75
m m m m m
1.1 m 5.1 m
Espesor de Muro t1 (sup) = t2 (inf) =
0.30 0.45
H pantalla =
5.10
gconcreto =
2.40
2 0.30 tn/m
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
E s/c
=
90
M s/c =
531
Ka Wa
=
0.30
Ea
=
3186
Ma
=
9398.7
Wp
=
3.00
Ep
=
10260
Mp
=
9747
Kp
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
γ
H 0.5
5.1
1800
2
0.45
5.1
2400
3
1.8
1.1
1800
4
2.75
0.8
2400
5
1.8
300
VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
9929.7 Kg
1.86
18,513.90 Kg >
1.50
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
20,050.56 kg.m
Mres
=
Mp + ΣMomentos
40,619.40 kg.m
Fsv
=
2.03
PRESION DEL TERRENO
e=
B Mres Mact 2 P
>
1.50
e=
B Mres Mact 2 P
ΣP =
19,482.00 kg
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
20,568.84 kg.m 1.056 m 0.319 m
B/6 =
0.45833333 m
>
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
1800
5.1 =
Vu =
4957.20
2.55
=
Mu =
12640.86
1.7
=
0.85
0.53
d Vc =
b x d
=
100
x
14.4913767
100
40
40
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
45.00 5 40 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 21.49 14.86
φ 3/4" @ 0.30 m + BASTONES DE 5/8" @ 30 r = As bd
Refuerzo Mínimo
=
0.0044 >
r min = 0.0018
parte superior = 0.0018 x 100 x 0.3 = parte inferior = 0.0018 x 100 x 0.45 =
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As1 = As2 se obtiene
Kg Mmax/2= a s x1.7x(5hc)3 6
f s K a = tan 2 45 = h 2 sv
Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
1.006 1.41 m 1.5 m
=
1.70 m
As = rt bt d Arriba: = 0.0018 x 100 x 30 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
3.6
1 3
A
st
=
1.8
Intermedio:
= 0.0018 x 100 x 37.5 =
2 3
A
st
=
4.5
1 3
A
st
=
2.25
Abajo:
Acero de montaje:
= 0.0018 x 100 x 45 =
2 3
A
st
=
5.4
1 3
A
st
=
2.7
36f = 36 x 1.59 = f 5/8" @ 0.25m
57.24 < S
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
wu =
1.67
σ= 9226.29 =
Mu =
15407.91073
1.62 =
Vu
=
24960.82 kg.m
Wu ( B3-d) =
Vc = b x d =
15407.91073 kg
16948.70 kg 0.85
0.53
100 x
14.4913767
100
70
70
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
80.00 10 70 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 24.96 9.59
Se coloca acero en doble malla : f 5/8" @ 0.30 m
Acero colocado :
en doble malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
Vu
Wu ( B3-d) =
=
Vc =
-3880.8 kg 0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
14.4913767
100
70
Datos h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f:
19404 Kg/m
=
2425.5 Momentos en tn.m
80.00 10 70 100 210 0.9
b (cm) M (tn.m) As (cm2)
100 2.4255 0.92
70
fy (Kg/cm2):
Asmin zapata :
4200
0.0018
En cada cara :
100
7.2 cm2
80.00 =
=
14.4 f 5/8" @ 0.30m
Refuerzo transversal As temp = 0.0018 x 100 x 80 = En cada cara
14.4 7.2
f 5/8" @ 0.30 m
CRETO ARMADO
DIMENSIONAMIENTO PLANTEADO DEBIDO A RESTRICCIONES DEL TERRENO EN AMBOS LADOS tn/m3 ° kg/cm2
m m
m
tn/m3
300
=
5.90
=
2.95
=
1800 2.95
5.9
90 kg/m 531 kg 1566.45 kg.m
3186 kg/m 9398.7 kg
1.96666667
18484.11 kg.m
1800.00
1.90 =
0.95
=
9747 kg
0.63333333
=
6173.1 kg.m
Cargas (kg) 4590
10260 kg/m
2.5
Momentos (kg.m) 11475
5508
2.025
11153.7
3564
0.9
3207.6
5280
1.375
7260
540
2.50
1350
19482
CORRECTO
CORRECTO
Brazo de Giro (m)
34446.3
S DE 5/8" @ 30
σ=
19482 = 1.06
2
9226.29385
0.922629385
0.319
CORRECTO
4,957.20 kg/m 12,640.86 Kg 21,489.46
=
26,113.46 >
Acero colocado:
OK!
5.4 cm2 / m 8.1 cm2 / m
Vu 12,640.86 CORRECTO
17.45 cm2
5.4 cm2 / m f 1/2" @ 0.30 m
2.834645669 35.27777778
f 3/8" @ 0.30 m
2.535211268 39.44444444
6.75 cm2 / m f 1/2" @ 0.25 m
3.543307087 28.22222222
f 3/8" @ 0.25 m
3.169014085 31.55555556
8.1 cm2 / m f 5/8" @ 0.25 cm
2.713567839 36.85185185
f 1/2" @ 0.30 m
2.125984252 47.03703704
=
45,698.56 >
16,948.70 CORRECTO
=
45,698.56 >
-3,880.80 CORRECTO
cm2
8" @ 0.30m
8" @ 0.30 m
pulg 3/8 1/2 5/8 3/4 1
cm
area 0.95 1.27 1.59 1.91 2.54
0.71 1.27 1.99 2.87 5.07
DISEÑO MUROS DE CONCRETO ARMADO H = 3.50 M 1. DATOS DE ENTRADA
DIMENSIONAMIENTO PLANTEADO DEBIDO A RESTRICCIONES DEL TERRENO EN AMBOS LADOS Datos de Suelo
g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
3
tn/m °
1.80 32
tn/m3 1.80 32 ° kg/cm2 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
0.60 0.7 0.30 0.5 1.50
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
Espesor de Muro t1 (sup) = t2 (inf) =
0.30 m 0.30 m
H pantalla =
1 m 3.5 m
3.50 m
gconcreto =
2
210 kg/cm 3 4200 kg/cm
f'c = fy =
S/C
m m m m m
3
2.40 tn/m
2 0.30 tn/m
=
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
300
=
E s/c
=
90
4.10
=
369 kg
90 kg/m
M s/c =
369
2.05
=
756.45 kg.m
0.30
1800
2214
2.05
Ka Wa
=
Ea
=
4.1
2214 kg/m 4538.7 kg
Ma
=
4538.7 1.36666667
6202.89 kg.m
Wp
=
3.00
1800.00
1.60 =
Ep
=
8640
0.8
=
6912 kg
Mp
=
6912 0.53333333
=
3686.4 kg.m
Kp 8640 kg/m
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
2
γ
0.5
H 3.5
1800
Cargas (kg) 3150
Brazo de Giro (m) 1.25
Momentos (kg.m) 3937.5
0.3
3.5
2400
2520
0.85
2142
3
0.7
1
1800
1260
0.35
441
4
1.50
0.6
2400
2160
0.75
1620
5
1.8
540
1.25
300
9630 VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
4907.7 Kg
2.29
11,245.50 Kg >
1.50
CORRECTO
675 8815.5
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
Mres
=
Mp + ΣMomentos
6,959.34 kg.m
Fsv
=
1.80
12,501.90 kg.m >
1.50
CORRECTO
PRESION DEL TERRENO
e=
ΣP =
B Mres Mact 9,630.00 kg 2 P
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
σ=
9630 = 0.58
2
5,542.56 kg.m
8365.890491
0.836589049
0.576 m 0.174 m
B/6 =
0.25 m
>
0.174
CORRECTO
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
Vu =
3402.00
1.75
=
5,953.50 Kg
5953.5 1.16666667
=
6,945.75
Mu =
1800
3.5 =
3,402.00 kg/m
d Vc =
b x d
0.85
=
0.53
100
x
14.4913767
100
25
=
16,320.91 >
Vu 5,953.50
25
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
30.00 5 25 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 6.95 7.62
φ 5/8" @ 0.25 m r = As bd
=
r min = 0.0018
0.0040 >
Refuerzo Mínimo
Acero colocado:
9.95 cm2
OK!
parte superior = 0.0018 x 100 x 0.3 = parte inferior = 0.0018 x 100 x 0.3 =
5.4 cm2 / m 5.4 cm2 / m
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As 1 = As2 se obtiene
f sh Kg 2 3 = tan 45 = Mmax/2= a s x1.7x(5hK ) c a 2 sv 6 Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
0.69 0.94 m 1.00 m
=
1.00 m
As = rt bt d Arriba: = 0.0018 x 100 x 30 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
5.4 cm2 / m 3.6
f 3/8" @ 0.25 m
CORRECTO
2 3 1
3
Intermedio:
A
st
=
A
st
=
= 0.0018 x 100 x 30 =
2 3 1
3
Abajo:
5.4 cm2 / m
A
st
=
3.6
st
=
1.8
A
= 0.0018 x 100 x 30 =
2 3 1
st
=
1.8
st
=
A
A
3
f 3/8" @ 0.25 m f 3/8" @ 0.25 m
5.4 cm2 / m 3.6
36f = 36 x 1.27 = f 1/2" @ 0.25m
Acero de montaje:
f 3/8" @ 0.25 m
1.8
f 1/2" @ 0.30 cm f 1/2" @ 0.30 m
45.72 < S
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
1.67
σ= 8365.89 =
13971.03712
0.245 =
wu = Mu = Vu
=
Wu ( B3-d) =
Vc = b x d =
13971.03712 kg 3422.90 kg.m 2794.21 kg
0.85
0.53
100 x
14.4913767
100
50
=
32,641.83 >
2,794.21 CORRECTO
50
=
32,641.83 >
0.00 CORRECTO
50
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
60.00 10 50 100 210 0.9 4200
b (cm) M (tn.m) 2 As (cm )
100 3.42 1.82
Se coloca acero en doble malla : f 1/2" @ 0.25 m
Acero colocado :
en doble malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
Vu
Wu ( B3-d) =
=
Vc =
0 kg
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
14.4913767
100
50 =
1687.5
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
Asmin zapata :
13500 Kg/m
60.00 10 50 100 210 0.9 4200
0.0018
En cada cara :
b (cm) M (tn.m) As (cm2)
100
5.4 cm2
60.00 =
100 1.6875 0.89
=
10.8 f 1/2" @ 0.25m
Refuerzo transversal As temp = 0.0018 x 100 x 60 = En cada cara
10.8 5.4
f 1/2" @ 0.25m
cm2
DISEÑO MUROS DE CONCRETO ARMADO H = 2.20 M 1. DATOS DE ENTRADA
Datos de Suelo g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
3
tn/m °
1.80 32
tn/m3 1.80 32 ° kg/cm2 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
0.50 0.45 0.25 0.5 1.20
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
Espesor de Muro t1 (sup) = t2 (inf) =
0.25 m 0.25 m
H pantalla =
0.4 m 2.2 m
2.20 m
gconcreto =
2
210 kg/cm 3 4200 kg/cm
f'c = fy =
S/C
m m m m m
3
2.40 tn/m
2 0.30 tn/m
=
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
300
=
E s/c
=
90
2.70
=
243 kg
90 kg/m
M s/c =
243
1.35
=
328.05 kg.m
0.30
1800
Ka Wa
=
Ea
2.7
1458 kg/m
=
1458
1.35
1968.3 kg
Ma
=
1968.3
0.9
1771.47 kg.m
Wp
=
3.00
1800.00
0.90 =
Ep
=
4860
0.45
=
2187 kg
Mp
=
2187
0.3
=
656.1 kg.m
Kp 4860 kg/m
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
γ
0.5
H 2.2
1800
Cargas (kg) 1980
Brazo de Giro (m) 0.95
Momentos (kg.m) 1881
2
0.25
2.2
2400
1320
0.575
759
3
0.45
0.4
1800
324
0.225
72.9
4
1.20
0.5
2400
1440
0.6
864
5
1.8
540
0.95
300
5604 VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
2211.3 Kg
2.13
4,708.80 Kg >
1.50
CORRECTO
513 4089.9
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
2,099.52 kg.m
Mres
=
Mp + ΣMomentos
4,746.00 kg.m
Fsv
=
2.26
>
1.50
CORRECTO
PRESION DEL TERRENO
e=
ΣP =
B Mres Mact 5,604.00 kg 2 P
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
σ=
5604 = 0.47
2
2,646.48 kg.m
5933.318219
0.593331822
0.472 m 0.128 m
B/6 =
0.2 m
>
0.128
CORRECTO
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
1800
2.2 =
2,138.40 kg/m
Vu =
2138.40
1.1
=
2,352.24 Kg
Mu =
2352.24 0.73333333
=
1,724.98
d Vc =
b x d
0.85
=
0.53
100
x
14.4913767
100
20
=
13,056.73 >
20
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
25.00 5 20 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
φ 3/8" @ 0.25 m r = As bd
=
100 1.72 2.31
Acero colocado:
r min = 0.0018
0.0018000 >
Refuerzo Mínimo
3.55 cm2
OK!
parte superior = 0.0018 x 100 x 0.25 = parte inferior = 0.0018 x 100 x 0.25 =
4.5 cm2 / m 4.5 cm2 / m
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As 1 = As2 se obtiene
f sh Kg 2 3 = tan 45 = Mmax/2= a s x1.7x(5hK ) c a 2 sv 6 Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
0.434 0.63 m 0.65 m
=
0.65 m
As = rt bt d Arriba: = 0.0018 x 100 x 25 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
4.5 cm2 / m 3
f 3/8" @ 0.30 m
Vu 2,352.24
CORRECTO
2 3 1
3
Intermedio:
2 3 1
3
Abajo:
A
st
=
A
st
=
= 0.0018 x 100 x 25 =
4.5 cm2 / m
A
st
=
3
st
=
1.5
A
= 0.0018 x 100 x 25 =
2 3 1
st
=
1.5
st
=
A
A
3
f 3/8" @ 0.30 m f 3/8" @ 0.30 m
4.5 cm2 / m 3
36f = 36 x0.71 = f 3/8" @ 0.30m
Acero de montaje:
f 3/8" @ 0.30 m
1.5
f 3/8" @ 0.30 m f 3/8" @ 0.30 m
34.2 < S
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
1.67
σ= 5933.32 =
9908.641426
0.10125 =
wu = Mu = Vu
=
Wu ( B3-d) =
Vc = b x d =
9908.641426 kg 1003.25 kg.m 495.43 kg
0.85
0.53
100 x
14.4913767
100
40
=
26,113.46 >
495.43 CORRECTO
40
=
26,113.46 >
892.80 CORRECTO
40
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
50.00 10 40 100 210 0.9 4200
b (cm) M (tn.m) 2 As (cm )
100 1.00 0.66
Se coloca acero en doble malla : f 1/2" @ 0.25 m
Acero colocado :
en doble malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
8928 Kg/m
Vu
Wu ( B3-d) =
892.8 kg
=
Vc =
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
100
40 =
1116
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
Asmin zapata :
14.4913767
50.00 10 40 100 210 0.9 4200
0.0018
En cada cara :
b (cm) M (tn.m) As (cm2)
100
4.5 cm2
50.00 =
100 1.116 0.74
=
9 f 1/2" @ 0.25m
Refuerzo transversal As temp = 0.0018 x 100 x 50 = En cada cara
9 4.5
f 1/2" @ 0.30m
cm2
DISEÑO MUROS DE CONCRETO ARMADO H = 1.70 M 1. DATOS DE ENTRADA
Datos de Suelo g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
3
tn/m °
1.80 32
tn/m3 1.80 32 ° kg/cm2 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
0.30 0.3 0.20 0.3 0.80
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
Espesor de Muro t1 (sup) = t2 (inf) =
0.20 m 0.20 m
H pantalla =
0.3 m 1.7 m
1.70 m
gconcreto =
2
210 kg/cm 3 4200 kg/cm
f'c = fy =
S/C
m m m m m
3
2.40 tn/m
2 0.30 tn/m
=
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
300
=
E s/c
=
90
2.00
=
180 kg
90 kg/m
M s/c =
180
1
=
180 kg.m
Ka Wa
=
0.30
1800
Ea
1
2
1080 kg/m
=
1080
Ma
=
1080 0.66666667
1080 kg
Wp
=
3.00
1800.00
0.60 =
Ep
=
3240
0.3
=
972 kg
Mp
=
972
0.2
=
194.4 kg.m
720 kg.m
Kp 3240 kg/m
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
γ
0.3
1.7
1800
Cargas (kg) 918
Brazo de Giro (m) 0.65
Momentos (kg.m) 596.7
0.2
1.7
2400
816
0.4
326.4
3
0.3
0.3
1800
162
0.15
24.3
4
0.80
0.3
2400
576
0.4
230.4
5
1.8
540
0.65
2
H
300
3012 VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
1260 Kg
1.85
2,327.40 Kg >
1.50
CORRECTO
351 1528.8
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
Mres
=
Mp + ΣMomentos
900.00 kg.m
Fsv
=
1.91
1,723.20 kg.m >
1.50
CORRECTO
PRESION DEL TERRENO
e=
ΣP =
B Mres Mact 3,012.00 kg 2 P
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
σ=
3012 = 0.27
2
823.20 kg.m
5510.291545
0.551029155
0.273 m 0.127 m
B/6 =
0.13333333 m
>
0.127
CORRECTO
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
1800
1.7 =
Vu =
1652.40
0.85
=
Mu =
1404.54 0.56666667
=
1,652.40 kg/m 1,404.54 Kg 795.91
d Vc =
b x d
0.85
=
0.53
100
x
14.4913767
100
15
=
9,792.55 >
15
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
20.00 5 15 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
φ 3/8" @ 0.30 m r = As bd
=
100 0.80 1.42
Acero colocado:
r min = 0.0018
0.0019000 >
Refuerzo Mínimo
2.84 cm2
OK!
parte superior = 0.0018 x 100 x 0.2 = parte inferior = 0.0018 x 100 x 0.2 =
3.6 cm2 / m 3.6 cm2 / m
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As 1 = As2 se obtiene
f sh Kg 2 3 = tan 45 = Mmax/2= a s x1.7x(5hK ) c a 2 sv 6 Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
0.335 0.49 m 0.50 m
=
0.50 m
As = rt bt d Arriba: = 0.0018 x 100 x 20 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
3.6 cm2 / m 2.4
f 3/8" @ 0.30 m
Vu 1,404.54
CORRECTO
2 3 1
3
Intermedio:
2 3 1
3
Abajo:
A
st
=
A
st
=
= 0.0018 x 100 x 20 =
3.6 cm2 / m
A
st
=
2.4
st
=
1.2
A
= 0.0018 x 100 x 20 =
2 3 1
st
=
1.2
st
=
A
A
3
f 3/8" @ 0.30 m f 3/8" @ 0.30 m
3.6 cm2 / m 2.4
36f = 36 x0.71 = f 3/8" @ 0.30m
Acero de montaje:
f 3/8" @ 0.30 m
1.2
f 3/8" @ 0.30 m f 3/8" @ 0.30 m
34.2 < S
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
1.67
σ= 5510.29 =
9202.18688
0.045 =
wu = Mu = Vu
=
Wu ( B3-d) =
Vc = b x d =
9202.18688 kg 414.10 kg.m 920.22 kg
0.85
0.53
100 x
14.4913767
100
20
=
13,056.73 >
920.22 CORRECTO
100
20
=
13,056.73 >
658.80 CORRECTO
20
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
30.00 10 20 100 210 0.9 4200
b (cm) M (tn.m) 2 As (cm )
100 0.41 0.55
Se coloca acero en una malla : f 1/2" @ 0.25 m
Acero colocado :
Una malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
6588 Kg/m
Vu
Wu ( B3-d) =
658.8 kg
=
Vc =
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
0.53
20 =
296.46
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
Asmin zapata :
14.4913767
30.00 10 20 100 210 0.9 4200
0.0018
en una malla
b (cm) M (tn.m) As (cm2)
100
6.35 cm2
30.00 =
100 0.29646 0.39
=
5.4 f 1/2" @ 0.25m
Refuerzo transversal As temp = 0.0018 x 100 x 30 =
5.4
f 1/2" @ 0.30m
cm2
DISEÑO MUROS DE CONCRETO ARMAD H = 1.30 M 1. DATOS DE ENTRADA
Datos de Suelo g1 = f1 =
g2 = f2 = s suelo = Ka = Kp = μ =
tn/m3 °
1.80 32
1.80 32 0.80 0.30 3.00 0.45
Datos de muro hz (altura de zapata) B1 (Externa) B2 (central) B3 (interna) L : Ancho de Zapata
= = = = =
R1 (Altura de relleno 1) = R2 (Altura de relleno 2) =
f'c = fy =
S/C
=
2 210 kg/cm 3 4200 kg/cm
0.30 0.25 0.15 0.3 0.70
m m m m m
0.3 m 1.3 m
Espesor de Muro t1 (sup) = t2 (inf) =
0.15 0.15
H pantalla =
1.30
gconcreto =
2.40
2 0.30 tn/m
2. ANALISIS POR CADA METRO DE LONGITUD W s/c
=
0.30
E s/c
=
90
M s/c =
144
Ka Wa
=
0.30
Ea
=
864
Ma
=
691.2
Wp
=
3.00
Ep
=
3240
Mp
=
972
Kp
3. VERIFICACIONES VERIFICACION DE ESTABILIDAD
Zonas 1
L
γ
H 0.3
1.3
1800
2
0.15
1.3
2400
3
0.25
0.3
1800
4
0.70
0.3
2400
5
1.8
300
VERIFICACION POR DESPLAZAMIENTO Factu =
Es/c + E a
Fres =
Ep+u x Σ Cargas
Fsd
=
835.2 Kg
2.43
2,029.05 Kg >
1.50
VERIFICACION POR VOLTEO Mact
=
M s/c + Ma
483.84 kg.m
Mres
=
Mp + ΣMomentos
Fsv
=
2.53
PRESION DEL TERRENO
e=
B Mres Mact 2 P
1,222.88 kg.m >
1.50
e=
B Mres Mact 2 P
ΣP =
2,349.00 kg
MO =
Mres-Mact
d
=
Mo/P
e
= B/2 - d
739.04 kg.m 0.315 m 0.035 m
B/6 =
0.11666667 m
>
4. DISEÑO POR CONCRETO ARMADO
4.1 DISEÑO DE PANTALLA γ
kp wu =
1.8
0.30
1800
1.3 =
Vu =
1263.60
0.65
=
Mu =
821.34
0.43333333
=
0.85
0.53
d Vc =
b x d
=
100
x
14.4913767
100
10
Acero colocado:
2.84
10
Calculo del acero en pantalla Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: fy (Kg/cm2):
15.00 5 10 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
φ 3/8" @ 0.30 m r = As bd
Refuerzo Mínimo
=
0.0028000 >
100 0.36 0.95
r min = 0.0018
parte superior = 0.0018 x 100 x 0.15 = parte inferior = 0.0018 x 100 x 0.15 =
Como la pantalla es de sección variable y asumiendo a = d / 5, ademas As1 = As2 se obtiene
Kg Mmax/2= a s x1.7x(5hc)3 6
f s K a = tan 2 45 = h 2 sv
Ka =tg2( 45 - 32/2 ) =
0.307
Lc = hc + d
usar
Lc : tambien 1/3 H pantalla
Utilizado
hc = Lc = Lc =
0.256 0.36 m 0.40 m
=
0.40 m
As = rt bt d Arriba: = 0.0018 x 100 x 15 =
Refuerzo Horizontal 2/3 As 1/3As
2 3
A
st
=
1.8
1 3
A
st
=
0.9
Intermedio:
= 0.0018 x 100 x 15 =
2 3
A
st
=
1.8
1 3
A
st
=
0.9
Abajo:
Acero de montaje:
= 0.0018 x 100 x 15 =
2 3
A
st
=
1.8
1 3
A
st
=
0.9
36f = 36 x0.71 = f 3/8" @ 0.30m
34.2 < S
4.1 DISEÑO DE ZAPATA DISEÑO DE LA PUNTA
wu =
1.67
σ= 3733.11 =
Mu =
6234.297205
0.03125 =
Vu
=
194.82 kg.m
Wu ( B3-d) =
Vc = b x d =
6234.297205 kg
311.71 kg 0.85
0.53
100 x
14.4913767
100
20
100
20
20
Datos
Momentos en tn.m
h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f: 2 fy (Kg/cm ):
30.00 10 20 100 210 0.9 4200
b (cm) M (tn.m) As (cm2)
100 0.19 0.26
Se coloca acero en una malla : f 1/2" @ 0.25 m
Acero colocado :
Una malla
DISEÑO DEL TALON
Wu =
1.5 x hz x γ + 1.8 x γ x R1 =
5292 Kg/m
Vu
Wu ( B3-d) =
529.2 kg
=
Vc =
0.85
b x d =
100 x
Mu =
Wu x B3xB3/ 2
14.4913767
20
Datos h (cm): r (cm): d (cm): b (cm): f'c (Kg/cm2): f:
0.53
=
238.14 Momentos en tn.m
30.00 10 20 100 210 0.9
b (cm) M (tn.m) As (cm2)
100 0.23814 0.32
fy (Kg/cm2):
Asmin zapata :
4200
0.0018
en una malla
100
6.35 cm2
30.00 =
=
5.4 f 1/2" @ 0.25m
Refuerzo transversal As temp = 0.0018 x 100 x 30 =
5.4
f 1/2" @ 0.30m
CRETO ARMADO
tn/m3 ° kg/cm2
m m
m
tn/m3
300
=
1.60
=
144 kg
0.8
=
115.2 kg.m
1800 0.8
1.6
90 kg/m
864 kg/m 691.2 kg
0.53333333
368.64 kg.m
1800.00
0.60 =
3240 kg/m
0.3
=
972 kg
0.2
=
194.4 kg.m
Cargas (kg) 702
Brazo de Giro (m) 0.55
Momentos (kg.m) 386.1
468
0.325
152.1
135
0.125
16.875
504
0.35
176.4
540
0.55
297
2349
CORRECTO
CORRECTO
1028.475
σ=
2349 = 0.31
2
3733.112099
0.37331121
0.035
CORRECTO
1,263.60 kg/m 821.34 Kg 355.91
=
6,528.37 >
cm2
OK!
2.7 cm2 / m 2.7 cm2 / m
Vu 821.34
CORRECTO
2.7 cm2 / m f 3/8" @ 0.30 m
1.417322835 70.55555556
f 3/8" @ 0.30 m
1.267605634 78.88888889
2.7 cm2 / m f 3/8" @ 0.30 m
1.417322835 70.55555556
f 3/8" @ 0.30 m
1.267605634 78.88888889
2.7 cm2 / m f 3/8" @ 0.30 m
0.904522613 110.5555556
f 3/8" @ 0.30 m
0.708661417 141.1111111
=
13,056.73 >
311.71 CORRECTO
=
13,056.73 >
529.20 CORRECTO
2" @ 0.25m
2" @ 0.30m
cm2
pulg 3/8 1/2 5/8 3/4 1
cm
area 0.95 1.27 1.59 1.91 2.54
0.71 1.27 1.99 2.87 5.07