arif afriyanto

8/9/2019 Arif Afriyanto

1/17

LAPORAN

TUGAS MEKANIKA TANAH I

Disusun oleh:

Nama : ARIF AFRIYANTO

NIM : 1!"

No# P$esensi : 11

Kelas : A % &'11

PROGRAM DIPLOMA TEKNIK SIPIL

SEKOLAH (OKASI

UN(ERSITAS GAD)AH MADA

&'11

A# *RA)A M DAS


2/17

BAB I

1#& Re+ea, P$o-lem 1#1 .i,h ,he /ollo.in0 alues: D1'2 '#13 mm4 D"'2

'#"& mm4 an5 D!'2 '#63 mm#

Ans.e$ :

Cu=D

60

D10=

0.78

0.18=4.33

Cc= D

2

30

D60 D

10

= (0.32)2

0.78 0.18=0.1024

0.1404=0.73

BAB II


3/17

& Follo.in0 a$e ,he $esul,s /$om ,he li7ui5 an5 +las,i8 limi, ,es,s /o$ a

soil:

Li7ui5 limi, ,es,:

Num-e$ o/

-lo.s4 N

Mois,u$e 8on,en,

9;

1< &

&' '#3

&3 "=#1

Plas,i8 limi, 2 13#6

a# D$a. ,he >o. 8u$e an5 o-,ain ,he li7ui5 limi,#

-# ?ha, is ,he +las,i8i,@ in5e o/ ,he soilB

Ans.e$ :

a;

-; ?P % LP 2 13#6

LL 2 "=#6


4/17

IP 2 LL C LP

2 "=#6< C 13#6

2 &1#'


5/17

lassi/@ ,he soil -@ ,he AASHTO 8lassi8a,ion s@s,em an5 0ie ,he

0$ou+ in5i8es#

Soil

Seie anal@sis4 ne$

Li7ui5limi,

Plas,i8

limi,

No#1'

No#'

No#&''

1 =3 3'

! =6 !' "' &< 1!

6 1''


6/17

Soil < : siee is !& 4 4 0$ea,e$ ,han "< 4 i, is sil,@ 8la@ ma,e$ial#Pl 2 &3 LL"'4 SO i, is A6!# F$om E7#

GI2 9 62C "


7/17

8on,en,# Also 5e,e$mine ,he mois,u$e 8on,en,s $e7ui$e5 ,o a8hiee

=


8/17

Da$i 0am-a$ 5a+a, 5isim+ulan -ah.a

d (max) 2 1'! l-%/,"

.ma2 1#

BAB VII


9/17

&71"

91& &;&

&7&"

9&& &;&

& "'' "

"#1 9"& &;&

&


10/17

=#&!Re+ea, P$o-lem =#&< .i,h 2 &


11/17


12/17

11#1&The s7ua$e /oo,in0 sho.n in Fi0u$e 11#" is su-Ve8,e5 ,o an

e88en,$i8 loa5# Fo$ ,he /ollo.in0 8ases4 5e,e$mine ,he 0$oss

allo.a-le loa5 ,ha, ,he /oo,in0 8oul5 8a$$@# Use Fs2 "#

a# 2 1'< l-%/,"4 8 2 '4 2 "'4 * 2 #< /,4 D/2 "#< /,4 2 '#< /,4

@ 2 '-# 2 1&' l-%/,"4 8 2 '' l-%/,&4 2 &


13/17

*# ERNIA

BAB IV

#1 Du$in0 8om+a8,ion4 a 1m,hi8 s,$a,um .as 8onsoli5a,e5 a ,o,al o/ " 8m iaa i-$a,in0 $olle$# Ini,iall@ ,he oi5 $a,io .as 5e,e$mine5 ,o -e '#=4 ,he.a,e$ 8on,en, 1!4 an5 G 2 !6# De,e$mine ,he:

a; oi5 $a,io

-; +o$osi,@

8; s+e8i8 0$ai,@ o/ ,he mass in ,he 8om+a8,e5 s,a,e

Ans.e$ :

Die, : e 2 '#=

. 2 1! 2 '#1!

G 2 !6

Assume Ws=100gr,Ww=16gr 4 w=1 gr /cm3

4 Vv=1cm3

a# Vs= Ws

G .w

2100

2,67.1

=37,45cm3

e 2Vv

Vs=

1

37,452 '4'"

-# n=Vv

V x1001=

1

38.45x100= !

8# Gm=W

V=

116

38.45= "#'&


14/17

BAB VIII

3#1! The /oo,in0 sho.n in Fi0# P3#1! ee$,s a uni/o$m loa5 ,o ,he soil o/ "''N%m De,e$mine ,he +$essu$e a, a +oin, m 5i$e8,l@ un5e$ +oin, 9a; A an5

9-; *#


15/17

BAB X

1'#11 Sho. ,he s,$ess +a,hs /o$ ea8h o/ ,he /ollo.in0 5a,a on ap-5ia0$am#

BAB XII

s,$ess4 8om+$ession 9Pa;

ini,ial FinalTes, W1 W" W1 W"

1 1'' 1''


16/17

1& A e$,i8al $e,ainin0 .all $e,ains a 0$anula$ -a8ll .hose an0le o/ in,e$nal/$i8,ion an5 uni, .ei0h, a$e "' an5 13#< N%m"4 $es+e8,iel@# Fo$ H 2 < m:

a; De,e$mine ,he a8,ie ,h$us, Pa+e$ me,e$ len0,h o/ .all -@ E7# 1&1a#

-; De,e$mine Pa-@ Ranines e7ua,ion 1&= /o$ i2 '4 1'4 1


17/17

1#< Assumin0 ,ha, ,he /oo,in0 in P$o-lem 1#1 is 1' ,imes as lon0 as i, is .i5e45e,e$mine ,he ul,ima,e -ea$in0 8a+a8i,@ /o$ ,he 8on5i,ions 0ien in P$o-lem1#1 usin0 E7# 11' an5 ,he 8o$$es+on5in0 -ea$in0 8a+a8i,@ /a8,o$s 0ienin 0# 1#1' .hen ,he -ase o/ ,he /oo,in0 is:

a; A, ,he su$/a8e#

-; 1#" m -elo. ,he su$/a8e#

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