LOSA DE FUNDACION (METODO ELASTICO)

Datos :

fc = 210 kg/cm2 L = 650fy = 4200 kg/cm32 B = 300

rec = 5 cm qadm = 0.9

P 1 = 15.30 ton -325.00 Pu 1 = 20.49P 2 = 14.72 ton 0.00 Pu 2 = 18.91P 3 = 26.45 ton 325.00 Pu 3 = 34.73P 4 = 21.19 ton -325.00 Pu 4 = 28.18P 5 = 22.76 ton 0.00 Pu 5 = 29.79P 6 = 30.98 ton 325.00 Pu 6 = 40.53P 7 = 0.00 ton 0.00 Pu 7 = 0P 8 = 0.00 ton 0.00 Pu 8 = 0P 9 = 0.00 ton 0.00 Pu 9 = 0

Secciones Columna :

a1 = 30 cm a5 = 50b1 = 30 cm b5= 30

a2 = 50 cm a6 = 50b2 = 30 cm b6 = 30

a3 = 50 cm a7 = 0b3 = 30 cm b7 = 0

a4 = 30 cm a8 = 0b4 = 30 cm b8 = 0

a9 = 0b9 = 0

COORDENADAS :

X1 = 200 cm Y1 = 33X2 = 200 cm Y2 = 0

200 cm 200

33 cm

0 cm

PASO 1 : UBICACIN DE LA RESULTANTE

Resultante de las cargas :

131.4 ton

Ubicacin de centro de gravedad :

325 cm

150 cm

Determinacion de las coordenadas de la resultante :

= 24_ =0)( ^ = = /2=

= /2=

351.87 cm

152.32 cm

Las exentricidades son :

26.87 cm 26.87

2.32 cm 2.32

Las dimensiones del nucleo central son:

108.33 cm 108.33

50.00 cm 50.00

26.87 108.33 OK

2.32 50 OK

ANALISIS DE PRESIONES :

q 1 = 0.538 kg/cm2q 2 = 0.705 kg/cm2q 3 = 0.872 kg/cm2q 4 = 0.475 kg/cm2 qcritico = 0.872q 5 = 0.643 kg/cm2 0.870q 6 = 0.810 kg/cm2q 7 = 0 kg/cm2q 8 = 0 kg/cm2q 9 = 0