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DATOS E fy f'c Φ mayor(cm)

2000000 4200 310 200

Φmenor (cm)

140

d(cm)

cb ab espesor corona

185 108.8235294 90.16806723 30

d1(cm) = d2(cm) = d3(cm) = d4(cm) = d5(cm) = d6(cm) = d7(cm) = d8(cm) = d9(cm) =

area comp α1 area caso1 0 area caso2 1.472317902 area caso3 0 area caso 4 0

β=

0.828571429

Ø= Po= Po= Pn max=

Compresion Pura 0.85 Ac= (0.85f'c*Ac)+(As*fy) 4545.044442 Tn 3863.287776 Tn

15 26.389 57.5 100 142.5 173.612 0 0 185

α2

area(cm2) ycentroid(cm) 0 0 1.429874177 7419.7787 41.36079697 0 0 0 0 0

area caso3- area traccion 3' a1 0 a2 0 A'c sin comp 0

y' 0 0 0

REFERENCIA DE CALCULO DE AREAS

α1 α2 100 PRE CON LA VERTICAL

COLUMNA CIRCULAR HUECA

Compresion Pura 16022.1192

As=

d(pulgadas) 1.125 Cc As1 As2 As3 As4 As5 As6 As7 As8 As9

1 2 2 2 2 2 0 0 1

76.9561984

d(pulgadas) 0 area(cm2) 0 0 0 0 0 0 0 0 0

7419.7787 6.4130165 12.826033 12.826033 12.826033 12.826033 12.826033 0 0 6.4130165

Ɛ 0.0025865 0.0022725 0.0014149 0.0002432 0.0009284 0.0017861 0.003 0.003 0.0021

FALLA BALANCEADA f FUERZA 263.5 1955.1117 4200 26.934669 4200 53.869339 2829.7297 36.294207 486.48649 6.2396918 1856.7568 -23.814824 3572.1211 -45.816143 4200 0 4200 0 4200 -26.934669 FALLA BALANCEADA

area(cm2)

16022.1225

CENTROIDE PLASTICO yp (cm) =

100

CENTROIDE CONCRETO COMPRIMIDO ycentro (cm)

41.360797

Pnb (Tn) = Mnb (Tn) =

PARA C