norma astm d1557
TRANSCRIPT
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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