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MEKANIKA TANAH 1
Ilma Hanifa
1510015211064
SOAL 1
No
Diameter
Massa Tanah % Tanah
% Tanah LolosAyakan Tertahan TertahanPada Tia
!SA ayakan Pada Tia Ayakan Ayakan Pada Tia Ayakan
"mm# "$r# "$r# "$r#
.(1) .(2) .(3) .(4) .(5)
4 4.75 0 0 100
10 2 21.6 4.8 95.2
20 0.85 49.5 11 84.2
40 0.425 102.6 22.8 61.4
60 0.25 89.1 19.8 41.6
100 0.15 95.6 21.24 20.36
200 0.075 60.4 13.42 6.93pan 31.2 6.93 0
Total 450
D%ST&%'!S% '!T%&AN
100
90
80
70
L o l o sD60 60
50
% 40
D30 30
20
D10 10
0.09 0.19 0.4
0
0.01 0.1 1 10
Diameter '(tiran "mm#
Dia"mm# )( )*
D10 0.09 4+4 1+00
D30 0.19
D60 0.4
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SOAL 2
Diketahui : D10 = 0.1 mmD30 = 0.41 mm
D60 = 0.62 mm
Ditanya : Koefiien Kee!a"aman (#$) %an Koefiien &!a%ai (##)'aa:
C =
D60
= 0.62 = 6.2U
D10 0.1
C C =
( D )2
= (0.41) 2 = 2.71130
D60
xD10 0.62 x0.1
SOAL ,
Diketahui : D10 = 0.082 mm
D30 = 0.29 mm
D60 = 0.51 mm
Ditanya : Koefiien Kee!a"aman (#$) %an Koefiien &!a%ai (##)
'aa:
C U = D
60=0.51
=6.222
D100.082
C C =( D )2
(0.29) 2= 2.01130
=
0.51 x0.82 D
60
xD10
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SOAL 4
NoDiameter
Massa Tanah % Tanah% Tanah LolosAyakan Tertahan Tertahan
Pada Tia
!SA ayakan Pada Tia Ayakan Ayakan Pada Tia Ayakan"mm# "$r# "$r# "$r#
.(1) .(2) .(3) .(4) .(5)
4 4.75 0 0 100
6 3.35 30 6 94
10 2 48.7 9.74 84.26
20 0.85 127.3 25.46 58.8
40 0.425 96.8 19.36 39.44
60 0.25 76.6 15.32 24.12
100 0.15 55.2 11.04 13.08
200 0.075 43.4 8.68 4.40
pan 22 4.40 0.00
Total 500
D%ST&%'!S% '!T%&AN
100
90
80
70
L o l o s
D60 60
50
% 40
D30 30
20
D10 10
0.01 0.1 0.1250.31 0 0.95
101
Diameter '(tiran "mm#
Dia)( )*"mm#
D10 0.125 -+6 0+.1
D30 0.31
D60 0.95
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SOAL 5
NoDiameter
Massa Tanah % Tanah% Tanah LolosAyakan Tertahan Tertahan
Pada Tia
!SA ayakan Pada Tia Ayakan Ayakan Pada Tia Ayakan"mm# "$r# "$r# "$r#
.(1) .(2) .(3) .(4) .(5)
4 4.75 0 0 100
6 3.35 0 0 100
10 2 0 0 100
20 0.85 9.1 1.82 98.18
40 0.425 249.4 49.88 48.3
60 0.25 179.8 35.96 12.34
100 0.15 22.7 4.54 7.80
200 0.075 15.5 3.10 4.70
pan 23.5 4.70 0.00
Total 500
D%ST&%'!S% '!T%&AN
100
90
80
70
L o l o s
D60 60
50
% 40
D30 30
20
D10 10
0.01
0.185 0.325 0.5 0
100.1 1
Diameter '(tiran "mm#
Dia)( )*"mm#
D10 0.185 2+- 1+14
D30 0.325
D60 0.5
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SOAL 6
No
Ayakan Diameter % Tanah Lolos
!SA Ayakan Pada Tia Ayakan
"mm# "$r#
.(1) .(2) .(3)
20 0.85 10040 0.425 92.1
60 0.25 85.8
0.15 77.3
200 0.075 62
0.04 50.80
0.02 41.00
0.01 34.30
0.006 29.00
0.002 23.00
DST&'!S !/!&AN '!T&AN SST0M MT
100 0.002 0.06 2
90
80
L o l o s
70
60
50 58*
%40
30
20 23*
10
0 !k(ran '(tiran "mm#
0.001 0.01 0.1 1 10
Clay +anau (Silt ) ,ai! (Sand ) Ke!iki-(Gravel )
,e!entae uti!an
/enu!ut item /
'eni anah *
&!ae- 0
an% 42
i-t 35#-ay 23
Total 100
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SOAL -
No
Ayakan Diameter % Tanah Lolos
!SA Ayakan Pada Tia Ayakan
"mm# "$r#
.(1) .(2) .(3)
20 0.85 10040 0.425 92.1
60 0.25 85.8
0.15 77.3
200 0.075 62
0.04 50.80
0.02 41.00
0.01 34.30
0.006 29.00
0.002 23.00
D%ST&%'!S% !/!&AN '!T%&AN S%STM !SDA
100 0.00 0.05 2
90
80
L o l o s
70
60
50 55
% 40
30
20
2310
01 !k(ran '(tiran "mm# 100.001 0.01 0.1
Clay +anau (Silt ) ,ai! Ke!iki-(Gravel )
,e!entae uti!an
/enu!ut item $D
'eni anah *
&!ae- 0
an% 45
i-t 32#-ay 23
Total 100
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SOAL .
No
Diameter % Tanah LolosAyakan
!SA ayakan Pada Tia Ayakan
"mm# "$r#
.(1) .(2) .(3)
20 0.85 100
40 0.425 92.1
60 0.25 85.8
0.15 77.3
200 0.075 62
0.04 50.80
0.02 41.00
0.01 34.30
0.006 29.00
0.002 23.00
D%ST&%'!S% !/!&AN '!T%&AN S%STM AASTO
100 0.00 0.07 2
90
80
L o l o s
70
60 62*50
% 40
3020
23*
10
0 !k(ran '(tiran "mm#
0.001 0.01 0.1 1 10
Clay +anau (Silt ) ,ai! (Sand ) Ke!iki-(Gravel )
,e!entae uti!an
/enu!ut item
'eni anah *
&!ae- 0
an% 38
i-t 39#-ay 23
Total 100
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SOAL
No
Ayakan Diameter % Tanah Lolos
!SA Ayakan Pada Tia Ayakan
"mm# "$r#
.(1) .(2) .(3)
20 0.85 100
40 0.425 100
60 0.25 94.1
0.15 79.3
200 0.075 34.1
0.04 28.00
0.02 25.20
0.01 21.80
0.006 18.90
0.002 14.00
D%ST&%'!S% !/!&AN '!T%&AN S%STM M%T
100 0.002 0.06 2
90
80
L o l o s
70
60
50
% 40
30 32*
20
10 14*0 !k(ran '(tiran "mm#
0.001 0.01 0.1 1 10
Clay +anau (Silt ) ,ai! (Sand ) Ke!iki-(Gravel )
,e!entae uti!an
/enu!ut item /
'eni anah *
&!ae- 0
an% 68
i-t 18
#-ay 14
Total 100
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SOAL 10
No
Ayakan Diameter % Tanah Lolos
!SA Ayakan Pada Tia Ayakan
"mm# "$r#
.(1) .(2) .(3)
20 0.85 100
40 0.425 100
60 0.25 94.1
0.15 79.3
200 0.075 34.1
0.04 28.00
0.02 25.20
0.01 21.80
0.006 18.90
0.002 14.00
0.002D%ST&%'!S% !/!&AN '!T%&AN S%STM !SDA
100 0.05 2
90
80
L o l o s
70
60
50
% 40
30
20 29
10 14*0
1 !k(ran '(tiran "mm# 100.001 0.01 0.1
Clay +anau (Silt ) ,ai! Ke!iki-(Gravel )
,e!entae uti!an /enu!ut item $D
'eni anah *
&!ae- 0
an% 71
i-t 15
#-ay 14
Total 100
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SOAL 11
No
Ayakan Diameter % Tanah Lolos
!SA Ayakan Pada Tia Ayakan
"mm# "$r#
.(1) .(2) .(3)
20 0.85 100
40 0.425 100
60 0.25 94.1
0.15 79.3
200 0.075 34.1
0.04 28.00
0.02 25.20
0.01 21.80
0.006 18.90
0.002 14.00
0.002
DST&'!S !/!&AN '!T&AN SST0M AAST1O
100 0.07 2
90
80
L o l o s
70
60
50
% 40
30 34.1
20
10 14*
0 !k(ran '(tiran "mm#
0.001 0.01 0.1 1 10
Clay +anau (Silt ) ,ai! (Sand ) Ke!iki-(Gravel )
,e!entae uti!an /enu!ut item
'eni anah *
&!ae- 0
an% 65.9
i-t 20.1
#-ay 14
Total 100
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SOAL 12
Diket: $i hy%!omete!
& = 2.70
= 22 # += 11.9 mt. = 30 menit
Ditanya : Diamete! uku!an uti! te!kei-
'aa: e!%aa!kan ae- 1.7 (ha- 20) %i%apat ni-ai K = 0.01199
D = K L = 0.01199 11.9 = 0.001887 mm
t 30
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