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LAPORAN
TUGAS MEKANIKA TANAH I
Disusun oleh:
Nama : ARIF AFRIYANTO
NIM : 1!"
No# P$esensi : 11
Kelas : A % &'11
PROGRAM DIPLOMA TEKNIK SIPIL
SEKOLAH (OKASI
UN(ERSITAS GAD)AH MADA
&'11
A# *RA)A M DAS
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BAB I
1#& Re+ea, P$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
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& 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
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IP 2 LL C LP
2 "=#6< C 13#6
2 &1#'
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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''
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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 "
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8on,en,# Also 5e,e$mine ,he mois,u$e 8on,en,s $e7ui$e5 ,o a8hiee
=
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Da$i 0am-a$ 5a+a, 5isim+ulan -ah.a
d (max) 2 1'! l-%/,"
.ma2 1#
BAB VII
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&71"
91& &;&
&7&"
9&& &;&
& "'' "
"#1 9"& &;&
&
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=#&!Re+ea, P$o-lem =#&< .i,h 2 &
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11#1&The s7ua$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$$@# Use Fs2 "#
a# 2 1'< l-%/,"4 8 2 '4 2 "'4 * 2 #< /,4 D/2 "#< /,4 2 '#< /,4
@ 2 '-# 2 1&' l-%/,"4 8 2 '' l-%/,&4 2 &
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*# ERNIA
BAB IV
#1 Du$in0 8om+a8,ion4 a 1m,hi8 s,$a,um .as 8onsoli5a,e5 a ,o,al o/ " 8m iaa i-$a,in0 $olle$# Ini,iall@ ,he oi5 $a,io .as 5e,e$mine5 ,o -e '#=4 ,he.a,e$ 8on,en, 1!4 an5 G 2 !6# De,e$mine ,he:
a; oi5 $a,io
-; +o$osi,@
8; s+e8i8 0$ai,@ o/ ,he mass in ,he 8om+a8,e5 s,a,e
Ans.e$ :
Die, : e 2 '#=
. 2 1! 2 '#1!
G 2 !6
Assume Ws=100gr,Ww=16gr 4 w=1 gr /cm3
4 Vv=1cm3
a# Vs= Ws
G .w
2100
2,67.1
=37,45cm3
e 2Vv
Vs=
1
37,452 '4'"
-# n=Vv
V x1001=
1
38.45x100= !
8# Gm=W
V=
116
38.45= "#'&
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BAB VIII
3#1! The /oo,in0 sho.n in Fi0# P3#1! ee$,s a uni/o$m loa5 ,o ,he soil o/ "''N%m De,e$mine ,he +$essu$e a, a +oin, m 5i$e8,l@ un5e$ +oin, 9a; A an5
9-; *#
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BAB X
1'#11 Sho. ,he s,$ess +a,hs /o$ ea8h o/ ,he /ollo.in0 5a,a on ap-5ia0$am#
BAB XII
s,$ess4 8om+$ession 9Pa;
ini,ial FinalTes, W1 W" W1 W"
1 1'' 1''
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1& A e$,i8al $e,ainin0 .all $e,ains a 0$anula$ -a8ll .hose an0le o/ in,e$nal/$i8,ion an5 uni, .ei0h, a$e "' an5 13#< N%m"4 $es+e8,iel@# Fo$ H 2 < m:
a; De,e$mine ,he a8,ie ,h$us, Pa+e$ me,e$ len0,h o/ .all -@ E7# 1&1a#
-; De,e$mine Pa-@ Ranines e7ua,ion 1&= /o$ i2 '4 1'4 1
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1#< Assumin0 ,ha, ,he /oo,in0 in P$o-lem 1#1 is 1' ,imes as lon0 as i, is .i5e45e,e$mine ,he ul,ima,e -ea$in0 8a+a8i,@ /o$ ,he 8on5i,ions 0ien in P$o-lem1#1 usin0 E7# 11' an5 ,he 8o$$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#