Metrado de Escaleras
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Transcript of Metrado de Escaleras
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0.175 m
210 kg/cm2 N Pasos Ancho Paso Descanzo
4200 kg/cm2 6 0.25 1.25 = 2.75
100 kg/m2
200 kg/m2
t = Ln ; Ln ; Ln ( 3.5 )
30 25
t = 2.75 ; 2.75 ; 2.75 (3.5 ) 0.09166667 0.11 9.63 9.83
30 25
t = 9.82666667 10 cm
ALUMNO: Julio Luis Coronel OblitasMETRADO DE ESCALERA
Pterminado
S/C
Para Predimensionamiento de Losa
Datos
Casa Habitacin
Contrapaso
fc
fy
A. Predimensionamiento
Peralte de la Losa
3.80
8.42
.25
3.35
.30
.50
.15
.25
.90
.40
1.20
3.80
.20 3.65 .40 .75 .15
1.95 3.95
7.10
.20
.95
.25
.25
.25
.25
.25
.25
2.75
.90
8.42
SALA
.15 .90 4.07
1.25
BAO HALL
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= arctg ( 17.5 )
25
= 35
x= 1 x= 1 x= 1.22 m
cos cos 35
Peso de la losa = 2400 Kg/m3 x 1.22 m x 0.1 m = 292.8 Kg/m
0.04375
Peso De Peldaos = 2400 Kg/m3 x ( 0.25 x 0.175 ) m2 x 4 = 210 Kg/m 0.021875
2 0.0875
Piso Terminado = 100 Kg/m2 x 1 ml = 100 Kg/m
= 602.8 Kg/m C.D.
SC = C.L. = 200 Kg/m2 x 1 ml = 200 Kg/m
Cu = 1.4 C.D. + 1.7 C.L. =
1.4 602.8 + 1.7 200 = 1183.92 Kg/m
843.92 340
B2. Carga Viva
A1. Clculo de la pendiente
B.Metrado de Cargas
B1. Carga Muerta
x
a
.25
.175
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Peso de la losa = 2400 Kg/m3 x 0.1 m x 1.25 m = 300 kg/m
Piso Terminado = 120 Kg/m2 x 1.25 m = 150 kg/m
= 450 kg/m
SC = C.L. = 200 Kg/m2 x 1.2 m = 240 Kg/m
Cu = 1.4 C.D. + 1.7 C.L. =
1.4 450 + 1.7 240 = 1038 Kg/m
630 408
Lxq = 3.5 m x 1038 Kg/m
FR = 3633 Kg
q = 1038 Kg/m
3.5 12.25
M(+) = q x L2 = 3633 x ( 3.5 )2 = 44504.25 = 2781.51563
16 16 16
M(+) = q x L2 = 3633 x ( 3.5 )2 = 44504.25 = 4450.425
10 10 10
B3. Carga Muerta Descanzo
Seccion del Descanzo
B4. Carga Viva Descanzo
C. Idealizacin de la Escalera - Primer y Segundo Tramo
0.50 0.252.75