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5/27/2018 Tugas 2 mektan 1
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ARMIA LARA SAHTI
1310015211023
TUGAS
MEKANIKA TANAH 1
CIVIL ENGINEERING
BUNG HATTA UNIVERSITY
1
Ww= n w Vv= n
V = 1
Ws = Gsw (1-n) Vs= 1 - n
Elemen tanah yang jenuh air dengan volume total V=1
Hubungan antara Berat Volume, Angka Pori, Kadar Air dan Berat Spesifik
AngkaPori (e)
ket :
V s = volume butiran
V v = volume pori
V w = volume air
Berat spesifik butiran padat ( GS)
ket :
w = berat volume air
s= berat volume butiran
Ws = berat butiran
Kadar Air (wc)
ket :
WW= berat air
AIR
Butiran Padat
=
=
=Vv = VW
Gs=
=
WS = GSW
sat=
Ww = WCWS
=WcGS w
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5/27/2018 Tugas 2 mektan 1
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ARMIA LARA SAHTI
1310015211023
TUGAS
MEKANIKA TANAH 1
CIVIL ENGINEERING
BUNG HATTA UNIVERSITY
2
Berat volume tanah yang jenuh air ( sat)
ket :
V = volume total
d = berat volume kering
S = derajat kejenuhan
sat = = +
= +
+
sat =+( +)
+ = d( )
j ika : S =1 e= WC GS
maka sat =+
+ =
+
+ w
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