Cimentacion

VIGA DE CIMENTACION EJE C
Esquema P1 L1 P2 L2 P3 L3 P4 L4 P5

Datos :
Longitudes a ejes : L1(m) L2(m) L3(m) L4(m) 4.300 4.3003.820 3.820 Cargas P1 P2 P3 P4 P5 P muerta 14.28Ton 36.13Ton 49.29Ton 36.32Ton 15.35Ton P viva 5.56Ton 11.38Ton 12.34Ton 11.17Ton5.51Ton M muerta 0.04Ton-m 0.14Ton-m 0.01Ton-m 0.11Ton-m 0.04Ton-m M viva 0.01Ton-m 0.04Ton-m 0.00Ton-m 0.04Ton-m 0.01Ton-mSuelos σt = Df = Ko = γ ca = γ cs = γs= 0.89 Kg/cm² 1.50m 3000Ton/m³ 2.40Ton/m³ 2.00Ton/m³ 1.60Ton/m³

Columnas COL 1 2 3 4 5 t (m)1.00 0.85 0.85 0.85 1.00 b(m) 0.25 0.55 0.55 0.55 0.25 f'c = fy = s/c = (e) piso = H asumido= N.P.T. = rec = 210 Kg/cm² 4200 Kg/cm²300 Kg/m² 0.10m 0.50m 0.20m 7.50 cm

Solución :
P1: 19.84 4.30m P2: 47.51 4.30m P3: 61.63 3.82m P4: 47.49 3.82m P5 20.86

1.001.00

17.24 1.Determinacion de la Presión Neta : σnt = σ t - s/c - h(Øca) - ep(Øcs) - er(Øs) σnt = 8.90 0.300 - 1.20 σnt =7.04 Ton/m²

- 0.20

- 0.16

2.-

Posición de la Resultante Considerando Alternancia de la Carga Xg = 4.30 47.51 + 8.60 61.63+ 197.33 e= 8.12 8.43 = -0.31 12.42 47.49 + 16.24 20.86 + 0.44 = 8.43

3.-

Determinación del Ancho "B" :

A= b=

Sum Pssnt 1.63 m

=

28.03

m² b= 2.00

4.-

Presiones 4.11 s1 = 17.24 197.33 2.0 +/6.00 2.00 -0.31 X 197.33 297.22 = 6.34