Ilma Hanifa

8/18/2019 Ilma Hanifa

http://slidepdf.com/reader/full/ilma-hanifa 1/11

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

CIVIL ENGINEERING PageBUNG HATTA UNIVERSITY



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




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


Dia)( )*"mm#

D10 0.125 -+6 0+.1

D30 0.31

D60 0.95




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


Dia)( )*"mm#

D10 0.185 2+- 1+14

D30 0.325

D60 0.5




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




SOAL -

No



"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




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


0.001 0.01 0.1 1 10


,e!entae uti!an

/enu!ut item

'eni anah *

&!ae- 0

an% 38

i-t 39#-ay 23

Total 100




SOAL

No



"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


,e!entae uti!an

/enu!ut item /

'eni anah *

&!ae- 0

an% 68

i-t 18

#-ay 14

Total 100




SOAL 10

No



"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




SOAL 11

No



"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*


0.001 0.01 0.1 1 10


,e!entae uti!an /enu!ut item

'eni anah *

&!ae- 0

an% 65.9

i-t 20.1

#-ay 14

Total 100




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


Documents

Ilma Hanifa