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batas plastis
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LAPORAN PRAKTIKUM MEKANIKA TANAH 2015
SEKOLAH TINGGI TEKNOLOGI INDRAGIRI
BATAS PLASTISITAS DAN INDEKS PLASTISITAS
Keterangan Unit Hasil Percobaan 1
Hasil Percobaan 2
Massa cawan kosong (M1) gram 5,13 5,08Massa cawan + tanah basah (M2) gram 26,84 32,20
Massa cawan + tanah kering (M3) gram 23,17 27,38
Massa air (Ww)= M2 - M3 gram 3,67 4,82Massa tanah kering (Ms)= M3 - M1 gram 18,04 22,3
Kadar air (W) = Ww/Ws % 20,34 21,61Batas cair (LL) % 32,60Batas plastis (PL)= W % 20,99Indeks plastisitas (IP) = LL - PL % 11,61