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Nama : Chintya martishia
NPM : 1310015211075
Kelas : Sipil 2c
“MEKANIKA TANAH 1“
Hubungan Angka Pori dengan Perositas
I. ANGKA PORI (void ratio) (e) : Perbandingan antara volume rongga (Vv) terhadap volume tanah (Vs) (0 < e <∼)
Vv = Volume pori
Vs = Volume butiran Vs = Vv – V
II. POROSITAS (POROSITY) (n) : Perbandingan antara volume rongga
(Vv) terhadap volume total (V) (0 ≤ n ≤ 1)
V = volume tanah total V = Vs + Vv
III. HUBUNGAN ANGKA PORI DAN PORISITAS
e = VvVs = Vv
V−Vv VvV−Vv : V =
(VvV )
1−( VvV )
= n1−n
n = e1+e
e = VvVs
n = VvV