triaxial ciu

CI44B Geomecánica - Primavera 2003

Guía de laboratorio

Ensayo Triaxial CID

Algunos datos para hacer cálculos.

V: Cambio de VolumenVi : Volumen inicialHo : Altura inicialDo : Diámetro Inicial

Altura de Consolidación =

3

)/(1

0

ViV

H

Diámetro de Consolidación =

3

)/(1

0

ViV

D

AXIAL Deformación Vertical / Altura de consolidación

Area corregida =

AXIAL

iónconsolidacc

AA

1

cA

aCarg

c1

c 3

3

3*21 p

q = 2

31

Cambio de Volumen (V) = (Volumen registrado – Volumen inicial)

Ensayo Triaxial (ASTM D2850-70)

Muestra: 15

Ds [cm] 5.04 Hm [cm] 10.04 [kg/cm2]Dm [cm] 5.04 Peso [g] 291.644 Veloc. Def. [%/min]Di [cm] 5.04 winicial [%] 5 den seca 1.387

wfinal [%] Dens Hum 1.456

BP P.Cam P.de Porou

[kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2]1.1 3 87.3

Consolidación Corte 1kgf =101.8 knTiempo Volumen Pres. Poros Deform. Anillo p.poros

[min] 0,01mm Carga KN kpa0 17 0 0.1073 103

0.1 10 0.1 1050.25 20 0.99 106.40.5 30 0.102 109.41 40 0.109 111

2.25 50 0.106 113.34 60 0.109 116.1

6.25 70 0.17 1329 80 0.217 146.5

12.25 90 0.239 15716 100 0.253 169

20.25 150 0.27 204.825 200 0.267 22240 250 0.256 232.160 8.5 300 0.247 23990 350 0.236 244

120 400 0.227 248.2180 450 0.218 251.5480 500 0.21 254

1440 600 0.194 258.9D 700 0.179 262

800 0.165 265.8Anillo N°: 900 0.15 268.5

1000 0.14 271.1Calibración: 1100 0.132 273

1200 0.125 274.5Fecha: 1300 0.121 275.8

Suelta c= [kg/cm2] DS=

3'

u+u 3 uB=u/3

3 3+3

[cm3] [kg/cm2]

UNIVERSIDAD DE CHILEFacultada de Ciencias Físicas y MatemáticasDepartamento de Ing. Civil

LABORATORIO DE SOLIDOS Y

MEDIOS PARTICULADOS

1400 0.117 276.9Grupo: picon del aguila 1500 0.116 277.4

dorador 1600 0.115 2781700 0.113 278.51800 0.113 279.11900 0.111 279.420002100220023002400

leo gay2

1kgf =101.8 kn

los primeros 6 valores de la carga pueden que no estàn buenos..revìnselos…


MEDIOS PARTICULADOS

Ensayo Triaxial CIU (ASTM D2850-70)

Muestra:

Ds [cm] 5.04 Hm [cm] 10.04 [kg/cm2]Dm [cm] 5.04 Peso [g] 291.644 Veloc. Def. [%/min]Di [cm] 5.04 winicial [%] 5

wfinal [%]

BP P.Cam P.de Porou

[kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2]1 1.1 2 0.9 1.31 0.9 0.41 0.70

2 2.1 3 1.8 2.43 0.9 0.63

Consolidación CorteTiempo Volumen Pres. Poros Deform. Anillo presion de opros

[min] 0,01mm Carga Kgf kg/cm20 21 0 -0.007 1.785

0.1 10 0.02 1.8280.25 20 0.028 1.8550.5 30 0.036 1.8721 40 0.046 1.879

2.25 50 0.053 1.8794 60 0.06 1.872

6.25 70 0.067 1.869 80 0.074 1.847

12.25 19.85 90 0.08 1.83216 100 0.085 1.815

20.25 150 0.107 1.73325 200 0.124 1.65840 250 0.137 1.5960 300 0.149 1.52690 350 0.159 1.472

120 400 0.168 1.417180 450 0.177 1.37480 500 0.185 1.323

1440 600 0.199 1.234D 700 0.212 1.152

800 0.219 1.083Anillo N°: 900 0.218 1.033

1000 0.219 1.016Calibración: 509.03 [kgf/volt] 1100 0.222 1.012

1200 0.225 1.001Fecha: 1300 0.226 0.996

Suelto c= [kg/cm2]

3'

u+u 3 uB=u/3

3 3+3

[cm3] [kg/cm2]



MEDIOS PARTICULADOS

1400 0.228 0.996Grupo: 1500 0.229 1

1600 0.228 1.0011700 0.227 1.01180019002000210022002300240025002600

1


MEDIOS PARTICULADOS

Ensayo Triaxial CID (ASTM D2850-70)

Muestra: Densa (DS=)

Ds [cm] 5.04 Hm [cm] 10.04 [kg/cm2]Dm [cm] 5.04 Peso [g] 384.044 Veloc. Def. [%/min]Di [cm] 5.04 winicial [%] 5 den seca 1.655

wfinal [%] Dens Hum 1.738

BP P.Cam P.de Porou

[kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2]1 1.1 2 0.93 1.41 0.9 0.48 0.95

2 2.1 3 1.81 2.46 0.9 0.85

Consolidación Corte 509.03 Kg/voltTiempo Volumen Pres. Poros Deform. Anillo Presion poro

[min] 0,01mm Carga volt [Kg/cm2]0 21 2.414 0 0 1.81

0.1 20 2.15 10 0.003 1.820.25 19.9 1.81 20 0.002 1.820.5 19.8 1.81 30 0.002 1.821 19.7 1.81 40 0.003 1.82

2.25 19.65 1.81 50 0.003 1.834 19.6 1.81 60 0.004 1.84

6.25 19.6 1.81 70 0.004 1.869 80 0.005 1.87

12.25 90 0.005 1.8816 100 0.005 1.90

20.25 150 0.021 2.1525 200 0.023 2.3440 250 0.022 2.4360 300 0.02 2.4890 350 0.018 2.52

120 400 0.016 2.55180 450 0.014 2.58480 500 0.013 2.61

1440 600 0.008 2.66D 700 0.05 2.68

800 0.005 2.69Anillo N°: 900 0.004 2.70

1000 0.004 2.70Calibración: 1100 0.004 2.71

1200 0.004 2.71Fecha: 4/24/2006 1300 0.004 2.71

3'

u+u 3 uB=u/3

3 3+3

[cm3] [kg/cm2]



MEDIOS PARTICULADOS

1400Grupo: Jose Manuel Fuentes 1500

1600

1

Deform. Anillo Volumen0,01mm Carga Kgf

102030405060708090

100150200250300350400450500600700800900

1000110012001300

[cm3]


MEDIOS PARTICULADOS

Ensayo Triaxial (ASTM D2850-70)

Muestra: Calibración Probeta 2

Ds [cm] 5.04 Hm [cm] 10.04 [kg/cm2] 2Dm [cm] 5.04 Peso [g] 384.044 Veloc. Def. [%/min]Di [cm] 5.04 winicial [%] 5

wfinal [%]

BP P.Cam P.de Porou

[kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2] [kg/cm2]1 1.1 2 85.7 170 0.9 0.843 0.94

Consolidación CorteTiempo Volumen Pres. Poros Deform. Anillo Volumen Pres. Poros

[min] [KPa] 0,01mm Carga KN [KPa]0 16.4 135 0 0.058 87.6

0.1 16.2 10 0.066 88.20.25 16.2 20 0.064 88.20.5 16.2 30 0.064 88.21 16.2 40 0.064 88.2

2.25 16.2 50 0.064 88.24 15.4 60 0.074 88.2

6.25 70 0.082 89.39 80 0.086 90.4

12.25 90 0.094 91.216 100 0.099 92

20.25 150 0.423 116.525 200 0.452 124.840 250 0.968 131.560 300 1.168 124.690 350 1.339 112.5

120 400 1.419 104.5180 450 1.508 96480 500 1.584 87.6

1440 600 1.651 79.6D 700 1.761 66.6

800 1.845 55Anillo N°: 900 1.923 44.8

Densa c= 2 [kg/cm2]

3'

u+u 3 uB=u/3

3 3+3

[cm3] [cm3]



MEDIOS PARTICULADOS



MEDIOS PARTICULADOS

1000 1.98 36.8Calibración: 1100 2.034 29.3

1200 2.065 23.2Fecha: 1300 2.071 18.2

1400 2.067 14.1Grupo: 1500 2.065 11.6

1600 2.066 8.81700 2.065 7.21800 2.056 6.41900 2.053 5.52000 2.052 52100 2.055 52200 2.055 5

Arena Sueltasigma camar 1

Cálculos Consolidación

9.82 cm

4.93 cm

19.09

A corregida Presión poros p q

[m/m]0.000 19.09 0.00 1.81 -0.81 0.000.001 19.11 0.08 1.82 -0.79 0.040.002 19.13 0.05 1.82 -0.80 0.030.003 19.15 0.05 1.82 -0.80 0.030.004 19.17 0.08 1.82 -0.79 0.040.005 19.19 0.08 1.83 -0.80 0.040.006 19.21 0.11 1.84 -0.80 0.050.007 19.23 0.11 1.86 -0.82 0.050.008 19.25 0.13 1.87 -0.83 0.070.009 19.27 0.13 1.88 -0.84 0.070.010 19.29 0.13 1.90 -0.86 0.070.015 19.39 0.55 2.15 -0.97 0.280.020 19.49 0.60 2.34 -1.14 0.300.025 19.59 0.57 2.43 -1.24 0.290.031 19.69 0.52 2.48 -1.31 0.260.036 19.80 0.46 2.52 -1.37 0.230.041 19.90 0.41 2.55 -1.41 0.200.046 20.01 0.36 2.58 -1.46 0.180.051 20.12 0.33 2.61 -1.50 0.160.061 20.33 0.20 2.66 -1.59 0.100.071 20.56 1.24 2.68 -1.27 0.620.081 20.79 0.12 2.69 -1.65 0.060.092 21.02 0.10 2.70 -1.67 0.050.102 21.26 0.10 2.70 -1.67 0.050.112 21.50 0.09 2.71 -1.68 0.050.122 21.75 0.09 2.71 -1.68 0.050.132 22.00 0.09 2.71 -1.68 0.05

Hc

Dc

Ac cm2

Cálculos del Ensayo. Arena Suelta c=1[kg/cm2]Deformación axial (

[cm2] [Kg/cm2] [Kg/cm3] [Kg/cm2] [Kg/cm2]

Arena Sueltasigma camar 2


8.61 cm

4.32 cm

14.66

TODO OKVOL/Vi A corregida Volumen p

[m/m]1.001.011.01

Hc

Dc

Ac cm2

Cálculos del Ensayo. Arena Suelta c=2[kg/cm2]Deformación axial (

[cm2] [Kg/cm2] [cm3] [Kg/cm2]

Arena Densasigma camar 1


9.86 cm

4.95 cm

19.24

q VOL/Vi A corregida Volumen

[m/m]

Hc

Dc

Ac cm2

=2[kg/cm2] Cálculos del Ensayo. Arena Densa c=1[kg/cm2]Deformación axial (

[Kg/cm2] [cm2] [Kg/cm2] [cm3]

Arena Densasigma camar 2


9.84 cm

4.94 cm

19.16

p q VOL/Vi A corregida [m/m]

Hc

Dc

Ac cm2

Cálculos del Ensayo. Arena Densa c=1[kg/cm2] Cálculos del Ensayo. Arena Densa c=2[kg/cm2]Deformación axial (

[Kg/cm2] [Kg/cm2] [cm2] [Kg/cm2]

TODO OK

Volumen p q VOL/ViCálculos del Ensayo. Arena Densa c=2[kg/cm2]

[cm3] [Kg/cm2] [Kg/cm2]

Arena Suelta a 1 kg/cm2 Arena Suelta a 2 kg/cm2Datos Iniciales Datos Iniciales

[cm] 10.04

[cm] 5.04

1

Consolidación ConsolidaciónTiempo Volumen Tiempo

[min] [min]0 21 dV 0

0.1 20 -1.4 0.10.25 19.9 0.250.5 19.8 0.51 19.7 1

2.25 19.65 2.254 19.6 4

6.25 19.6 6.259

Ensayo 12.25Deformación Carga Presion poro 16

[0,01mm] 509,03 [Kg/Volt] 20.250 0 1.81 25

10 0.003 1.82 4020 0.002 1.82 6030 0.002 1.8240 0.003 1.8250 0.003 1.83 1kgf60 0.004 1.8470 0.004 1.86 Ensayo80 0.005 1.87 Deformación

90 0.005 1.88 [0,01mm]100 0.005 1.9 0150 0.021 2.15 10200 0.023 2.34 20250 0.022 2.43 30300 0.02 2.48 40350 0.018 2.52 50400 0.016 2.55 60450 0.014 2.58 70500 0.013 2.61 80600 0.008 2.66 90700 0.05 2.68 100800 0.005 2.69 150900 0.004 2.7 200

1000 0.004 2.7 2501100 0.004 2.71 300

Ho Ho

Do Do

c [kg/cm2] c

[cm3]

[Kg/cm2]

1200 0.004 2.71 3501300 0.004 2.71 400

450500600700800900

1000110012001300140015001600170018001900

Arena Suelta a 2 kg/cm2 Arena Densa a 1 kg/cm2Datos Iniciales Datos Iniciales

[cm] 10.04 [cm] 10.04

[cm] 5.04 [cm] 5.04

2 1

Consolidación ConsolidaciónVolumen Pres. Poros Tiempo Volumen Pres. Poros

[min]17 dV 0 21 dV

-8.5 0.1 -1.150.250.51

2.254

6.259

12.25 19.85

8.5

101.8 kN

Ensayo EnsayoCarga Presion poro Deformación Carga Presion poro

[kN] [kPa] [0,01mm] [kgf]0.1073 103 0 -0.007 1.8

0.1 105 10 0.02 1.80.99 106.4 20 0.028 1.9

0.102 109.4 30 0.036 1.90.109 111 40 0.046 1.90.106 113.3 50 0.053 1.90.109 116.1 60 0.06 1.90.17 132 70 0.067 1.9

0.217 146.5 80 0.074 1.8470.239 157 90 0.08 1.8320.253 169 100 0.085 1.8150.27 204.8 150 0.107 1.733

0.267 222 200 0.124 1.6580.256 232.1 250 0.137 1.590.247 239 300 0.149 1.526

Ho

Do

[kg/cm2] c [kg/cm2]

[cm3] [kg/cm2] [cm3] [kg/cm2]

[Kg/cm2]

0.236 244 350 0.159 1.4720.227 248.2 400 0.168 1.4170.218 251.5 450 0.177 1.370.21 254 500 0.185 1.323

0.194 258.9 600 0.199 1.2340.179 262 700 0.212 1.1520.165 265.8 800 0.219 1.0830.15 268.5 900 0.218 1.0330.14 271.1 1000 0.219 1.016

0.132 273 1100 0.222 1.0120.125 274.5 1200 0.225 1.0010.121 275.8 1300 0.226 0.9960.117 276.9 1400 0.228 0.9960.116 277.4 1500 0.229 10.115 278 1600 0.228 1.0010.113 278.5 1700 0.227 1.010.113 279.10.111 279.4

Arena Densa a 2 kg/cm2Datos Iniciales

[cm] 10.04 TODO OK

[cm] 5.04

2

Consolidación TODO OKTiempo Volumen Pres. Poros

[min]0 16.4 dV

0.1 16.2 -10.25 16.20.5 16.21 16.2

2.25 16.24 15.4

Ensayo TODO OKDeformación Carga Presion poro

[0,01mm] [kN] [kPa]0 0.058 87.6

10 0.066 88.220 0.064 88.230 0.064 88.240 0.064 88.250 0.064 88.260 0.074 88.270 0.082 89.380 0.086 90.490 0.094 91.2

100 0.099 92150 0.423 116.5200 0.452 124.8250 0.968 131.5300 1.168 124.6

Ho

Do

c [kg/cm2]

[cm3] [kg/cm2]

350 1.339 112.5400 1.419 104.5450 1.508 96500 1.584 87.6600 1.651 79.6700 1.761 66.6800 1.845 55900 1.923 44.8

1000 1.98 36.81100 2.034 29.31200 2.065 23.21300 2.071 18.21400 2.067 14.11500 2.065 11.61600 2.066 8.81700 2.065 7.21800 2.056 6.41900 2.053 5.52000 2.052 52100 2.055 52200 2.055 5

triaxial ciu

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