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8/19/2019 Laporan IP Intan

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LABORATORIUM MEKANIKA TANAH

FAKULTAS TEKNIK JURUSAN TEKNIK SIPIL

UNIVERSITAS KRISTEN MARANATHAJl. Prof. Drg. Soeria Soemanri No. !" Ban#$ng %&'!%

INDEX PROPERTIES

PENDAHULUAN:

Berg$na $n$( men(la)ifi(a)i ana*+ )e*ingga i#a( a#a lagi (erag$,rag$an #alam mena()ir

)ifa,)ifa ana* er)e-$+ ma(a #aa #ig$na(an )e-agai -a*an erim-angan $n$(

meng*a#ai er)oalan /ang #i*a#ai #alam ra(e(+ mi)aln/a enang (era) lem-e(+ 0eni)

#an )e-again/a.

TUJUAN:

Un$( menen$(an nilai -era 1ol$me ana* 234+ (a#ar air 254+ ang(a ori 2e4+ oro)ia)2n4+

#era0a (e0en$*an 2Sr4. Se*ingga #aa memer(ira(an )ifa 6 )ifa )$a$ 7ono* ana*

)e-agai -a*an *i$ngan #alam er)oalan /ang (ia *a#ai #alam ra(e(+ mi)aln/a 8 (era)

lem-e(n/a ana*+ 0eni) ana* er)e-$+ #)-.

ALAT – ALAT YANG DIGUNAKAN:

'. Silin#er ring en7ea( ana*.

9. E:r$#er.

;. Tim-angan.

%. Jang(a )orong.

". O1en.

!. De)i(aor.


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". Seela* 9% 0am ana* /ang )$#a* mengering #i(el$ar(an #ari o1en #an ma)$((an (e

#alam #e)i(aor+ (em$#ian im-ang $n$( men#aa(an ana* (ering.

PENURUNAN RUMUS:

1. DERAJAT KEJENUHAN 2 Degree of Saturation+ Sr4.

Sr=V w

V v×100

V w=W w

γ w=

W −W sγ w

V v=V −V s

Vv=V −

W s

Gs γ w

s

W −W ¿¿¿

γ w¿¿

∴Sr=¿

Rizky Intan Mauliza(1121050)


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9. KADAR AIR 2Water Content + 54

w=W w

W s×100

@5 -era ana*

-a)a* #an ring 6 -era

ring 6 -era (ering

@5 @' 6 @9 6 @)

;. AN=KA

PORI 2Void Ratio+ e4

e=V v

V s=V −V sV s

= V

W s

Gs

−1

e=

V × Gs ×γ w

W s −1

%. BERAT VOLUME 234

γ =

W

V (

gram

Cm3 )

γ =W

2−W

1

V


Condition Degree o S!t"r!tion #$%

Dry &

Huid ' 6 9"

Da! 9" 6 "&

Moi"t "& 6


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". POROSITAS 2n4

n=V v

V ×100

n= e

e+1

KETERANGAN& ' 1ol$me 7ono* ana* 27m;4

&( ' 1ol$me -$ir 27m;4

G( ' )e7ifi7 gra1i/ 27m;4

&) ' 1ol$me ori 27m;4

*( ' -era -$ir 2gram4

*+ ' -era air 2gram4

*, ' -era ring 2gram4

*- ' -era ring C 7ono* ana* 2gram4

* ' -era 7ono* ana* @9 6 @' 2gram4

INDEX PROPERTIES TEST

SoilSamle 8 Form No. 8 '

Lo7aion 8 Te) No. 8 ?

Boring No. 8 #e* 8 m Dae 8 9! Fe-r$ari 9&';

Samle No. 8 GS : 9+!& Te)e# -/ 8 Ri(/ Inan Ma$lia

8 ?*ri)ian Ja/a K

Ring No A B A'' A;

Diameer of Ring # 2 7m 4 "+&


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Deerminaion No. '+&& 9+&& ' 9

Ring No. A B A'' A;

@. of Ring @' 2 gr 4 "!+!; "9+;< ;? 9+!& 9+!& 9+!& 9+!&

@aer ?onen 5 2 4 ";+'< %!+&< 49,95 50,42

Vol$me of Soil V 2 7m 4 %'+'! %&+


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@. of #i)* 2@;4 !%+&; gram

@. of #i)* C ring C #r/ )oil 2@%4 '%%+9& gram

Area 2A4 1

4 : : #9

1

4 : : %+%9 7m

,23,4 56-

Vol$me 2V4 A :

9&+9< 7m9 : 9+&'& 7m

14327 561

@. ring C #r/ )oil 2@"4 @% , @;

'%%+9& gram 6 '&'+


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5 793;- $

Uni @. of )oil γ W

V

γ 64,44 gram

37,95 cm3

γ ,349 gr!6


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Sr=(64,44 gram−42,84 gram1 gram /cm3 )

37,95 cm3 – ( 42,84gram2,60 ) x1 gram /cm3

×100

Sr ,9934,$

Uni @. of )a$rae# Soil 3)a (Gs+e)(1+e ) .

γ w

3)a (2,60+1,30)

(1+1,30 ) x1 gram/cm3

3)a '+! gram7m;

3)a ,32 =N


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LAMPIRAN

Silin#er Ring en7ea( ana* E:r$#er Tim-angan



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Jang(a Sorong O1en De)i(aor

?a5an =erga0i Ka5a Silin#er Ring Pena*an

Poro)ia) 2n4+ Ang(a Pori 2e4+ Ka#ar Air 254+ #an Bera Vol$me 234 #ari 0eni) ana* a#a

(on#i)i na$ral 2Terag*i+ Pe7( an# Me)ri+ '!4.

De)7riionPoro)i/

Voi#

Raio

@aer

?onen Uni @eig*

ne

5 2(N m;4

2424

γ d γ sat

Uniform )an#+ loo)e %! &+" ;9 '% '+"

Uniform )an#+ #en)e ;% &+"' ' '


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Siff gla7ial 7la/ ;< &+! 99 '!+< 9&+;

Sof )lig*/ organi7 7la/ !! '+


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• Dera0a (e0en$*an 2Sr4 "+;'

• Poro)ia) 2n4 "

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