DISEO DE COLUMNA CUADRADA CON CARGA AXIAL

PD = 136,200.00 kg. Carga Axial Muerta

PL = 227,000.00 kg. Carga Axial Viva

f'c = 280.00 kg/cm2

f'y = 4,220.00 kg/cm2

r = 2% Valor % de Ascero Longitudinal DIAMETROAREA

2 1/4" 0.635 0.32

FACTORIZANDO CARGA 3 3/8" 0.953 0.71

Pu = 526,640.00 kg. 4 1/2" 1.270 1.27

5 5/8" 1.588 1.98

DETERMINAR AREA BRUTA DE LA COLUMNA 6 3/4" 1.905 2.85

Ag = 3,188.42 cm2 Area Bruta Calculada 8 1" 2.540 5.07

9 1 1/8" 2.858 6.41

DIMENSIONES DE COLUMNA 10 1 1/4" 3.175 7.92

11 1 3/8" 3.493 9.58

b = 60 cm 12 1 1/2" 3.810 11.40

h = 60 cm % del Acero en Columnas =

Ag = 3600 cm2 Area Bruta Total. % minimo = 1%

% maximo = 8%

AREA DE ACERO % del Acero en Columnas en la Practica Real

As = 72 cm2 % minimo = 1%

r = 2.00% % maximo = 3%

ARMADO DE COLUMNA

4 1 1/2" 45.6 cm2

4 1 1/4" 31.68 cm2

77.28 cm2

PERIM. PESO DIAMTERO R

0.25 0.635 0.3175

0.251 0.56 0.9525 0.47625

3.99 0.994

4.99 1.552

5.98 2.235

7.98 3.976

0.997458

0.712559059