DISEÑO ESCALERA 1ER TRAMO A. PREDIMENSIONAMIENTO LOSA INCLINADA Y HORIZONTAL DE DESCANSO

Ln= e= e=

=

15 PELDAÑOS DE 0.1733m 3.375 m 0.14 a 0.17 0.15 m

15 3.75

14.85714286 0.173333333

0.2500 m

0.173 0.1730

0.3 042 m

0.1733 m

0.250

B. METRADO DE CARGAS PELDAÑOS Pp losa= Pp peldaños= Pp terminado hor.= Pp terminado ver.=

0.304x4x0.15x2400= 0.25x0.173x4x0.5x2400= 100x1= 100x4x0.173= CM=

S/C=

350x1=

438.06 kg/m 208.00 kg/m 100.00 kg/m 69.33 kg/m 815.40 kg/m

350.00 kg/m CV= 350.00 kg/m 1.4xCM+1.7xCV 1736.56 kg/m 1.74 tn/m

Wu= Wu= Wu= LOSA DE DESCANZO Pp losa= Pp terminado=

1x0.15x2400= 100x1=

S/C=

CM=

360.00 kg/m 100.00 kg/m 460.00 kg/m

CV=

350.00 kg/m 350.00 kg/m

350x1=

Wu= Wu= Wu=

1.4xCM+1.7xCV 1239.00 kg/m 1.24 tn/m

C. ANALISIS ESTRUCTURAL 1736.56 kg/m 1239.00 kg/m

3.375

1.075

644

3.375 m

1.188 m

DFC

DMF

D. DISEÑO d= b= f´c= fy=

12 cm 100 cm 210 kg/cm2 4200 kg/cm2

M ku ρ As req. S As col. L Lc

(-) 1291.76 8.971 0.00245 2.9345 24.20 ɸ[email protected] 0.68 a 0.84 0.70

(+) 2583.52 17.941 0.00505 6.0585 11.72 ɸ[email protected]

(-) 1291.76 8.971 0.00245 2.9345 24.20 ɸ[email protected] 0.68 a 0.84 0.70

ACERO T° 1 CAPA

ACERO T° 2 CAPAS

0.0018 2.70 18.52 ɸ[email protected]

0.0012 1.80 27.78 ɸ[email protected]