Análisis granulométrico
Wm=1,600 g Malla
Abertura
W Ret . ( g )
(mm) 1 2 2 1 1 2 1 3 4 1 2 3 8 1 4 No. 4 No. 10 No. 20 No. 40 No. 60 No. 100 No. 200 2
W Ret . ( )
Pasa( )
63.50
0
0
100
50.80 38.10
20 40
1.25 2.50
98.75 96.25
25.40 19.05
80 90
5 5.63
91.25 85.62
12.70
270
16.88
68.74
9.53
110
6.88
61.86
6.35
110
6.88
54.98
4.76 2 0.81 0.92 0.25 0.15 0.074
90 150 170 130 90 85 90
5.63 9.38 10.63 8.13 5.63 5.31 5.63
49.35 39.97 29.34 21.21 15.58 10.27 4.64
Diámetros efectivos
D10=0.146 m m D30 =0.884 m m
D 60 =8.670 mm Coeficiente de uniformidad
Cu=
D 60 8.670 = =59.38 D 10 0.146
Coeficiente de curvatura 2
( 0.884 )2 Cc= = =0.62 D60 D10 ( 8.670 ) ( 0.146 )
( D30 )
Cu> 4
1<Cc<3 “Bien graduada”
∴ La muestra de suelo no está bien graduada−Gravas