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ENSAYO DE CBR ASTM D1883Molde N

Capas N

N de golpes por capa

CONTRACCION DE LA MUESTRA

Peso del molde + suelo humedo

Peso del molde

Peso del suelo humedo

Volumen del molde

Densidad hume

% de humedad

Densidad seca

Tara N

Tara + suelo humedo

Tara + suelo secoPeso del agua

Peso de la tara

Peso del suelo seco

% de humedad

DIAL LBS LBS/PUL2 DIAL LBS LBS/PUL2 DIAL LBS LBS/PUL2

22 276 92 29 345 115 25.0 305 102

43 484 161 77 823 274 52.0 574 191

65 703 234 132 1370 457 80.0 852 284

107 1121 374 204 2086 695 103.0 1081 360

233 2374 791 343 3468 1156 159.0 1638 546

352 3557 1186 450 4532 1511 209.0 2135 712

486 4890 1630 547 5496 1832 243.0 2473 824

575 5775 1925 634 6362 2121 285.0 2891 964

0 57 19 750 7515 2505 320.0 3239 1080

0 57 19 0 57 19 352.0 3557 1186

2

2

2

2

2

5.87

546.5

521.425.1

93.5102

668.7

5.65

37.8701.735.3

101

2.383

5.88

2.251

737

5.88

2.029

5.65

2.149

600.7 427.9

808.5

770.7

56

5

5060

2123

9035 8790

4560

4215 4230

4820

5.87

SIN SATURAR

A B

9305

4245

5

25

SIN SATURARSIN SATURAR

C

5

10

2.1482.270

2123 2123

2.251

2.149

2.029

2.00

2.03

2.06

2.09

2.12

2.15

2.18

2.21

2.24

2.27

30 35 40 45 50 55 60 65 70 75 8

Densidadseca(gr/cm3)

C.B.R. (%)

2.130

2.238 2.237

2.114

2.08

2.11

2.14

2.17

2.20

2.23

2.26

2.29

2 3 4 5 6 7 8 9 10

Densidadseca(gr/cm3)

Contenido de humedad (%)

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2.81 2.130 N GOLPES % CBR D.S.

4.86 2.238 56 80.5 2.251 2.136

6.60 2.237 25 69.5 2.149

9.15 2.114 10 36.0 2.029

densidad 2.81 4.86 6.60 9.15

humedad 2.13 2.24 2.24 2.11

9.94448 22 56.82936 3 92 0.025 92

9.94448 43 56.82936 3 161 0.050 161

9.94448 65 56.82936 3 234 0.075 234

9.94448 107 56.82936 3 374 0.100 374

9.94448 233 56.82936 3 791 0.150 791

9.94448 352 56.82936 3 1186 0.200 1186

9.94448 486 56.82936 3 1630 0.250 1630

9.94448 575 56.82936 3 1925 0.300 1925

9.94448 0 56.82936 3 19 0.400

9.94448 0 56.82936 3 19 0.500

9.94448 29 56.82936 3 1159.94448 77 56.82936 3 274

9.94448 132 56.82936 3 457

9.94448 204 56.82936 3 695

9.94448 343 56.82936 3 1156

9.94448 450 56.82936 3 1511

9.94448 547 56.82936 3 1832

9.94448 634 56.82936 3 2121

9.94448 750 56.82936 3 2505

9.94448 0 56.82936 3 19

9.94448 25 56.82936 3 102

9.94448 52 56.82936 3 191

9.94448 80 56.82936 3 284

9.94448 103 56.82936 3 360

9.94448 159 56.82936 3 546

9.94448 209 56.82936 3 712

9.94448 243 56.82936 3 824

9.94448 285 56.82936 3 964

9.94448 320 56.82936 3 1080

9.94448 352 56.82936 3 1186

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0.025 102

0.050 191

0.075 284

0.100 360

0.150 546

0.200 712

0.250 824

0.300 964

0.400 1080

0.500 1186

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GRUESAMATERIAL FINO

ARENA

FINA MEDIA GRAVA

50.000

37.500

25.000

19.000

12.500

9.500

6.300

4.750

2.000

0.850

0.425

0.250

0.106

0.075

0

20

40

60

80

100

0.010 0.100 1.000 10.000

%Q

UEPASA

DIAMETRO (mm)

Curva Granulometrica

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1/4" 9.500 90.7 6.300

4.750 87.0 4.750 N40 0.600 78.3 0.425

4.750 3.7 1.550 0.300 72.8 0.300

0.3 5.4 0.125

1.220 88.171 2.256 75.104

N10 2.360 83.4 2.000 N60 0.300 72.8 0.250

1.180 80.4 1.180 0.150 61.2 0.150

1.180 3.0 0.820 0.150 11.7 0.100

2.064 82.483 7.794 68.951

N20 1.180 80.4 0.850 N140 0.150 61.2 0.106

0.600 78.3 0.600 0.075 46.0 0.075

0.580 2.2 0.250 0.075 15.1 0.031

0.929 79.192 6.258 52.273

PESO INICIAL SECO 626.1

PESO LAVADO Y SECO 338

TAMIZ

TAMIZ PESO PARCIA (N)ETENID 3"

(grs) (grs) ETENID UE PASA 2 1/2" . . . .2" 0.0 0.0 0.0 100.0 11/2"

11/2" 0.0 0.0 0.0 100.0 1"

1" 0.0 0.0 0.0 100.0 3/4"

3/4" 16.1 2.6 2.6 97.4 1/2"

1/2" 31.6 5.0 7.6 92.4 3/8"

3/8" 10.6 1.7 9.3 90.7 1/4"

N4 23.4 3.7 13.0 87.0 N4

N8 22.3 3.6 16.6 83.4 N10

N16 18.6 3.0 19.6 80.4 N20

N30 13.5 2.2 21.7 78.3 N40

N50 33.9 5.4 27.2 72.8 N60

N100 73.2 11.7 38.8 61.2 N140

N20094.8

15.1 54.0 46.0 N200

FONDO 288.1 46.0 100.0 0.0 FONDO

PESO TOTAL 626.1 19.6

ML LL 32.3% 13.0

LIMO ARENOSO LP 25.4% 40.9

IP 6.9% 46.0

100.0

ABERTURA

(mm)

2.360

1.180

% ACUMULADO

.

50.000

37.500

19.000

25.000

12.500

4.750

9.500

0.150

0.075

0.600

0.300

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% GRAVA

% ARENA

% FINOS

%

ABERTURA % ACUMULADO

62.000 100.0

2.000 35.5

0.850 28.8

(mm) QUE PASA

75.000 100.0

. .

37.500 92.4

25.000 86.8

12.500 65.5

19.000 81.3

9.500 58.8

4.750 45.8

6.300 50.0

0.0

0.106 9.0

0.075 8.2

0.425 20.5

0.250 14.0

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PESO INICIAL SECO 3465 CANTERA

PESO LAVADO Y SECO 3179.2

TAMIZ

TAMIZ PESO % PARCIAL (N)

RETENIDO RETENIDO 3"

(grs) (grs) RETENIDO QUE PASA 2 1/2"

2 1/2" 0.0 0.0 0.0 100.0 2"

2" 0.0 0.0 0.0 100.0 11/2"

11/2" 264.0 7.6 7.6 92.4 1"

1" 192.0 5.5 13.2 86.8 3/4"

3/4" 192.5 5.6 18.7 81.3 1/2"

1/2" 546.0 15.8 34.5 65.5 3/8"

3/8" 232.9 6.7 41.2 58.8 1/4"

N4 451.5 13.0 54.2 45.8 N4

N8 293.5 8.5 62.7 37.3 N10

N16 201.3 5.8 68.5 31.5 N20

N30 164.5 4.7 73.3 26.7 N40

N50 372.0 10.7 84.0 16.0 N60

N100 204.5 5.9 89.9 10.1 N140

N200 64.5 1.9 91.8 8.2 N200

FONDO 195.0 5.6 97.4 2.6 FONDO

PESO TOTAL 3374.2 97.4

GPGM LL 24.5% 54.2 % GRAVA

GRAVA LP NP 37.5 % ARENA

IP - 8.2 % FINOS

100.0 %

ANALISIS GRANULOMETRICO POR TAMISADO ASTM D422

ABERTURA % ACUMULADO

ABERTURA% ACUMULADO

(mm) QUE PASA

75.000 100.0

(mm) 62.000 100.0

62.000 50.000 100.0

50.000 37.500 92.437.500 25.000 86.825.000 19.000 81.3

19.000 12.500 65.5

12.500 9.500 58.8

9.500 6.300 50.0

4.750 4.750 45.8

2.360 2.000 35.5

0.300 0.250 14.0

0.150 0.106 9.0

0.075 0.075 8.2

1.180 0.850 28.8

0.600 0.425 20.5

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1/4" 9.500 58.8 6.300

4.750 45.8 4.750 N40 0.600

4.750 13.0 1.550 0.300

0.3

4.252 50.027 4.473

N10 2.360 37.3 2.000 N60 0.300

1.180 31.5 1.180 0.150

1.180 5.8 0.820 0.150

4.037 35.532 3.935

N20 1.180 31.5 0.850 N140 0.150

0.600 26.7 0.600 0.075

0.580 4.7 0.250 0.075

2.046 28.794 0.769

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26.7 0.425

16.0 0.300

10.7 0.125

20.485

16.0 0.250

10.1 0.150

5.9 0.100

14.044

10.1 0.106

8.2 0.075

1.9 0.031

9.018

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LABORATORIO DE ENSAYO DE MATERIALES

LIMITES DE CONSISTENCIA ASTM - D4318

SUELO HUMEDO + TARA 39.3 43.9 44.9 46.3

SUELO SECO + TARA 35.4 38.4 38.6 38.8

PESO DEL AGUA 3.9 5.5 6.3 7.5

PESO TARA 15.2 15.2 14.8 14.9

SUELO SECO 20.2 23.2 23.8 23.9

% DE HUMEDAD 19.31 23.71 26.47 31.38

N GOLPES 43 28 23 8

CONT. HUMEDAD 19.31 23.71 26.47 31.38

LL 23.6

LP N.P.

IP -

18.0

20.0

22.0

24.0

26.0

28.0

30.0

32.0

34.0

1 10

Contenidodehumedad(%)

N de golpes

CURVA DE FLUIDEZ

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100

0.00

5.00

10.00

15.00

20.00

25.00

30.00

35.00

1 10

CONT. HUMEDAD

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100

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ENSAYO DE COMPACTACION ASTM D1557

Peso suelo + molde 7405 7740 7820 7656

Peso del molde 2757 2757 2757 2757

Peso suelo humedo compactado 4648 4983 5063 4899

Peso volumetrico humedo 2.189 2.347 2.385 2.308

Recipiente N

Peso suelo humedo + tara 1071.7 615.3 344.7 412.9

Peso suelo seco + tara 1045.3 589.2 329.6 382.5Tara 105 52.3 100.9 50.4

Peso del agua 26.4 26.1 15.1 30.4

Peso suelo seco 940.3 536.9 228.7 332.1

Contenido de agua 2.81 4.86 6.60 9.15

Peso volumetrico seco 2.130 2.238 2.237 2.114

MAXIMA DENSIDAD SECA (gr/cm3)

OPTIMO CONTENIDO DE HUMEDAD (%) 5.70%

2

22 2

2

2 22

2 22 2

2 2

2

2

3/4" 5400 22.3 22.3

3/8" 5967 24.6 46.9 2813

N4 4347 17.9 64.8 1076

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NUMERO DE GOLPES POR CAPA (N) 25 Golpes 25

NUMERO DE CAPAS (n) 100 3 Capas 5

PESO DEL PISON (W) 5.5 Libras 10

ALTURA DE CAIDA DEL PISON (h) 12 Pulgadas 18

VOLUMEN DEL SUELO COMPACTADO (V) 944 Cm3 944

ENERGIA DE COMPACTACION 12,375 lb-pie/pie3 56,251

6,078 kg-cm/cm3 27,628

N n W h

V

ESTANDAR 12,300 lb-pie/pie3

MODIFICADO 56,200 lb-pi3/pie3 = 27.5 kg-cm/cm3 3.531 0.00001

Ec =

ESTANDAR

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HUMEDAD INICIAL

921.7

916.398.3

5.4

818

0.66

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0

Golpes Golpes #REF!

Capas Capas #REF!

Libras Libras #REF!

Pulgadas Pulgadas

Cm3 Cm3

lb-pie/pie3 lb-pie/pie3

kg-cm/cm3 kg-cm/cm3

0.00003531

MODIFICADO