UNIVERSIDAD PRIVADA DE TACNAFACULTAD DE INGENIERIA

ESCUELA PROFESIONAL DE ING. CIVILLABORATORIO DE MECANICA DE SUELOS

MECANICA DE SUELOS

CALCULO DE CAPACIDAD DE CARGA

ESFUERZO OCASIONADO POR EL PESO DEL SUELO

ESTRATOALTURA

DENSIDAD gr/cm3 PROMEDIO DE DENSIDADES gr/cm3

CM. A 2.00 M. A 2.20 M. A 2.40 M.

CALICATA 01

03 0.00 0.00

1.4328 1.4218 1.412102 300.00 1.4401 -250.00 1.25

CALICATA 0203 0.00 0.0002 -2.70 2.11

1.25 1.25 1.25CALICATA 03

TABLA DE TERZAGHY ( qc )

FALLA POR PUNZONAMIENTO Y CORTE LOCAL

CIMIENTO CORRIDO

Nc' Nq' Ny' FS

1.433 1.25 100 200 10.09 2.94 0.68 883.83 3.50 252.52 0.25

1.433 1.25 120 200 10.09 2.94 0.68 892.36 3.50 254.96 0.25 C' = 2 C

1.433 1.25 150 200 10.09 2.94 0.68 905.15 3.50 258.61 0.26 3

1.433 1.25 180 200 10.09 2.94 0.68 917.94 3.50 262.27 0.26 C' = 0.00

1.422 1.25 100 220 10.09 2.94 0.68 960.84 3.50 274.53 0.27

1.422 1.25 120 220 10.09 2.94 0.68 969.37 3.50 276.96 0.28 tan Ø' =

1.422 1.25 150 220 10.09 2.94 0.68 982.16 3.50 280.62 0.28

1.422 1.25 180 220 10.09 2.94 0.68 994.95 3.50 284.27 0.28 Ø' = 21.05

B ( cm. )

Df ( cm. )

qc ( gr./cm2. )

qc adm

( gr./cm2. )

qc adm

( Kg./cm2. ).)3/(2 cmgr.)3/(1 cmgr

1.412 1.25 100 240 10.09 2.94 0.68 1037.46 3.50 296.42 0.30

1.412 1.25 120 240 10.09 2.94 0.68 1045.99 3.50 298.85 0.30

1.412 1.25 150 240 10.09 2.94 0.68 1058.78 3.50 302.51 0.30

1.412 1.25 180 240 10.09 2.94 0.68 1071.57 3.50 306.16 0.31

CALCULO DE CAPACIDAD DE CARGA

ESFUERZO OCASIONADO POR EL PESO DEL SUELO

ESTRATOALTURA

DENSIDAD gr/cm3 PROMEDIO DE DENSIDADES gr/cm3

CM. A 2.00 M. A 2.20 M. A 2.40 M.

CALICATA 01

03 0.00 0.00

1.4328 1.4218 1.412102 300.00 1.4401 -250.00 1.25

CALICATA 0203 0.00 0.0002 -2.70 2.11

1.25 1.25 1.25CALICATA 03

03 0.00 0.0002 0.00 0.00

TABLA DE TERZAGHY ( qc )

FALLA POR PUNZONAMIENTO Y CORTE LOCAL

ZAPATA CUADRADA

Nc' Nq' Ny' FS

1.433 1.25 100 200 10.09 2.94 0.68 875.30 3.50 250.09 0.25

1.433 1.25 120 200 10.09 2.94 0.68 882.13 3.50 252.04 0.25 C' = 2 C

1.433 1.25 150 200 10.09 2.94 0.68 892.36 3.50 254.96 0.25 3

1.433 1.25 180 200 10.09 2.94 0.68 902.59 3.50 257.88 0.26 C' = 0.00

1.422 1.25 100 220 10.09 2.94 0.68 952.32 3.50 272.09 0.27

1.422 1.25 120 220 10.09 2.94 0.68 959.14 3.50 274.04 0.27 tan Ø' =

1.422 1.25 150 220 10.09 2.94 0.68 969.37 3.50 276.96 0.28

1.422 1.25 180 220 10.09 2.94 0.68 979.60 3.50 279.89 0.28 Ø' = 21.05

1.412 1.25 100 240 10.09 2.94 0.68 1028.93 3.50 293.98 0.29

B ( cm. )

Df ( cm. )

qc ( gr./cm2. )

qc adm

( gr./cm2. )

qc adm

( Kg./cm2. ).)3/(2 cmgr.)3/(1 cmgr

1.412 1.25 120 240 10.09 2.94 0.68 1035.76 3.50 295.93 0.301.412 1.25 150 240 10.09 2.94 0.68 1045.99 3.50 298.85 0.301.412 1.25 180 240 10.09 2.94 0.68 1056.22 3.50 301.78 0.30

FALLA POR CORTE GENERAL

FS

1.433 1.25 100 200 21.85 10.33 6.10 3342.62 3.50 955.03 0.961.433 1.25 150 200 21.85 10.33 6.10 3533.85 3.50 1009.67 1.011.433 1.25 180 200 21.85 10.33 6.10 3648.59 3.50 1042.45 1.04 C = 0.001.433 1.25 200 200 21.85 10.33 6.10 3725.08 3.50 1064.31 1.061.422 1.25 100 220 21.85 10.33 6.10 3613.62 3.50 1032.46 1.03 Ø = 30.101.422 1.25 150 220 21.85 10.33 6.10 3804.85 3.50 1087.10 1.091.422 1.25 180 220 21.85 10.33 6.10 3919.59 3.50 1119.88 1.121.422 1.25 200 220 21.85 10.33 6.10 3996.08 3.50 1141.74 1.141.412 1.25 100 240 21.85 10.33 6.10 3883.25 3.50 1109.50 1.111.412 1.25 150 240 21.85 10.33 6.10 4074.47 3.50 1164.14 1.161.412 1.25 180 240 21.85 10.33 6.10 4189.21 3.50 1196.92 1.201.412 1.25 200 240 21.85 10.33 6.10 4265.70 3.50 1218.77 1.22

B ( cm. )

Df ( cm. )

Nc

Nq

Ny

qc ( gr./cm2. )

qc adm ( gr./cm2. )

qc adm

( Kg./cm2. ).)3/(2 cmgr.)3/(1 cmgr

FACTORES DE CAPACIDAD DE CARGA DE TERZAGHI

Ø' Nc' Nq' Ny' Ø Nc' Nq' Ny'

0 5.70 1.00 0.00 26 15.53 6.05 2.59

1 5.90 1.07 0.005 27 16.30 6.54 2.88

2 6.10 1.14 0.02 28 17.13 7.07 3.29

3 6.30 1.22 0.04 29 18.03 7.66 3.76

4 6.51 1.30 0.055 30 18.99 8.31 4.395 6.74 1.39 0.074 31 20.03 9.03 4.83

6 6.97 1.49 0.10 32 21.16 9.82 5.51

Cohesión (C) = 0.00 7 7.22 1.59 0.128 33 22.39 10.69 6.32

Angulo de fricción (Ø) = 30.10 8 7.47 1.70 0.16 34 23.72 11.67 7.22

gr/cm2. 9 7.74 1.82 0.20 35 25.18 12.75 8.35

10 8.02 1.94 0.24 36 26.77 13.97 9.41

2 tan Ø 11 8.32 2.08 0.30 37 28.51 15.32 10.90

3 12 8.63 2.22 0.35 38 30.43 16.85 12.75

13 8.96 2.38 0.42 39 32.53 18.56 14.71

14 9.31 2.55 0.48 40 34.87 20.50 17.22

0.05 X 15 9.67 2.73 0.57 41 37.45 22.70 19.75

1.00 0.55 16 10.06 2.92 0.67 42 40.33 25.21 22.50

X = 0.02750 17 10.47 3.13 0.76 43 43.54 28.06 26.25

Nc' 10.088 18 10.90 3.36 0.88 44 47.13 31.34 30.40

0.05 X 19 11.36 3.61 1.03 45 51.17 35.11 366.00

1.00 0.31 20 11.85 3.88 1.12 46 55.73 39.48 41.70

X = 0.01550 21 12.37 4.17 1.35 47 60.91 44.45 49.30

Nq' 2.936 22 12.92 4.48 1.55 48 66.80 50.46 59.25

0.05 X 23 13.51 4.82 1.74 49 73.55 57.41 71.45

1.00 0.20 24 14.14 5.20 1.97 50 81.31 65.60 85.75

X = 0.01000 25 14.80 5.60 2.25

Ny' 0.680

gr/cm2.

2 tan Ø

3

FACTORES DE CAPACIDAD DE CARGA DE TERZAGHI

Ø' Nc' Nq' Ny' Ø Nc' Nq' Ny'0 5.70 1.00 0.00 26 27.09 14.21 9.841 6.00 1.10 0.01 27 29.24 15.90 11.60

2 6.30 1.22 0.04 28 31.61 17.81 13.70

3 6.62 1.35 0.06 29 34.24 19.98 16.184 6.97 1.49 0.10 30 37.16 22.46 19.135 7.34 1.64 0.14 31 40.41 25.28 22.656 7.73 1.81 0.20 32 44.04 28.52 26.877 8.15 2.00 0.27 33 48.09 32.23 31.948 8.60 2.21 0.35 34 52.64 36.50 38.04

gr/cm2. 9 9.09 2.44 0.44 35 57.75 41.44 45.41Cohesión (C) = 0.00 10 9.61 2.69 0.56 36 63.53 47.16 54.36

Angulo de fricción (Ø) = 30.10 11 10.16 2.98 0.69 37 70.01 53.80 65.2712 10.76 3.29 0.85 38 77.50 61.55 78.6113 11.41 3.63 1.04 39 85.97 70.61 95.0314 12.11 4.02 1.26 40 95.66 81.27 115.31

0.10 X 15 12.86 4.45 1.52 41 106.81 93.85 140.511.00 1.00 16 13.68 4.92 1.82 42 119.67 108.75 171.99

X = 0.10000 17 14.60 5.45 2.18 43 134.58 126.50 211.56Nc' 21.850 18 15.12 6.04 2.59 44 151.95 147.74 261.60

0.10 X 19 16.56 6.70 3.07 45 172.28 173.28 325.341.00 1.00 20 17.69 7.44 3.64 46 196.22 204.19 407.11

X = 0.10000 21 18.92 8.26 4.31 47 224.55 241.80 512.84Nq' 10.330 22 20.27 9.19 5.09 48 258.28 287.85 650.67

0.10 X 23 21.75 10.23 6.00 49 298.71 344.63 831.991.00 1.00 24 23.36 11.40 7.08 50 347.50 415.14 1072.80

X = 0.10000 25 25.13 12.72 8.34Ny' 6.100

DETERMINACION DEL ANGULO DE FRICCIONMUESTRA ALTURA ( m ) D máx. (gr/cc) D mín. (gr/cc) D nat. (gr/cc) Dr Ø

CAL. - 01 2.00 2.2350 1.7320 2.087 75.58% 25.11CAL. - 02 2.10 2.246 1.700 2.047 69.73% 30.10

PROMEDIO 27.609

11.337 10.459536.337 35.4595