Mektan I Tugas IV

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<ul><li> 1. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 1 SOAL 1 No Massa Tanah % Tanah Ayakan Diameter Tertahan Tertahan % Tanah Lolos Pada Tiap USA ayakan Pada Tiap Ayakan Ayakan Pada Tiap Ayakan (mm) (gr) (gr) (gr) .(1) .(2) .(3) .(4) .(5) 4 4.75 0 0 100 10 2 21.6 4.8 95.2 20 0.85 49.5 11 84.2 40 0.425 102.6 22.8 61.4 60 0.25 89.1 19.8 41.6 100 0.15 95.6 21.24 20.36 200 0.075 60.4 13.42 6.93 pan 31.2 6.93 0 Total 450 DISTRIBUSI BUTIRAN %Lolos 100 90 80 70 D 60 60 50 40 D 30 30 20 D 10 10 0 0.01 0.09 0.1 0.19 0.4 1 10 Diameter Butiran (mm) Dia (mm) Cu Cc D10 0.09 4.4 1.00 D30 0.19 D60 0.4 </li></ul> <p> 2. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 2 SOAL 2 Diketahui : D10 = 0.1 mm D30 = 0.41 mm D60 = 0.62 mm Ditanya : Koefisien Keseragaman (CU) dan Koefisien Gradasi (CC) Jawab: D C = 60 = 0.62 = 6.2 U D 10 0.1 (D ) 2 C (0.41) 2 30 C = D xD = = 2.711 60 10 0.62x0.1 SOAL 3 Diketahui : D10 = 0.082 mm D30 = 0.29 mm D60 = 0.51 mm Ditanya : Koefisien Keseragaman (CU) dan Koefisien Gradasi (CC) Jawab: CU= D 60= 0.51 =6.222 D100.082 CC= (D ) 2 (0.29) 2 = 2.01130 = D xD 60 10 0.51x0.82 3. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 3 SOAL 4 No Massa Tanah % Tanah Ayakan Diameter Tertahan Tertahan % Tanah Lolos Pada Tiap USA ayakan Pada Tiap Ayakan Ayakan Pada Tiap Ayakan (mm) (gr) (gr) (gr) .(1) .(2) .(3) .(4) .(5) 4 4.75 0 0 100 6 3.35 30 6 94 10 2 48.7 9.74 84.26 20 0.85 127.3 25.46 58.8 40 0.425 96.8 19.36 39.44 60 0.25 76.6 15.32 24.12 100 0.15 55.2 11.04 13.08 200 0.075 43.4 8.68 4.40 pan 22 4.40 0.00 Total 500 DISTRIBUSI BUTIRAN %Lolos D 60 D 30 D 10 0.01 100 90 80 70 60 50 40 30 20 10 0.31 0 0.95 0.1 0.125 1 10 Diameter Butiran (mm) Dia (mm) Cu Cc D10 0.125 7.6 0.81 D30 0.31 D60 0.95 4. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 4 3 5. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 5 SOAL 5 No Massa Tanah % Tanah Ayakan Diameter Tertahan Tertahan % Tanah Lolos Pada Tiap USA ayakan Pada Tiap Ayakan Ayakan Pada Tiap Ayakan (mm) (gr) (gr) (gr) .(1) .(2) .(3) .(4) .(5) 4 4.75 0 0 100 6 3.35 0 0 100 10 2 0 0 100 20 0.85 9.1 1.82 98.18 40 0.425 249.4 49.88 48.3 60 0.25 179.8 35.96 12.34 100 0.15 22.7 4.54 7.80 200 0.075 15.5 3.10 4.70 pan 23.5 4.70 0.00 Total 500 DISTRIBUSI BUTIRAN 100 90 80 70 D %Lolos 60 D 60 50 40 30 30 20 D 10 10 0.185 0.325 0.5 0 0.01 0.1 1 10 Diameter Butiran (mm) Dia (mm) Cu Cc D10 0.185 2.7 1.14 D30 0.325 D60 0.5 6. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 6 4 7. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 7 SOAL 6 No Ayakan Diameter % Tanah Lolos USA ayakan Pada Tiap Ayakan (mm) (gr) .(1) .(2) .(3) 20 0.85 100 40 0.425 92.1 60 0.25 85.8 0.15 77.3 200 0.075 62 0.04 50.80 0.02 41.00 0.01 34.30 0.006 29.00 0.002 23.00 DISTRIBUSI UKURAN BUTIRAN SISTEM MIT %Lolos 100 0.002 0.06 2 90 80 70 60 50 58% 40 30 20 23% 10 0 Ukuran Butiran (mm) 0.001 0.01 0.1 1 10 Clay Lanau (Silt ) Pasir (Sand) Kerikil(Gravel ) Persentase Butiran Menurut Sistem MIT Jenis Tanah % Gravel 0 Sand 42 Silt 35 Clay 23 Total 100 8. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 8 5 9. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 9 SOAL 7 No Ayakan Diameter % Tanah Lolos USA ayakan Pada Tiap Ayakan (mm) (gr) .(1) .(2) .(3) 20 0.85 100 40 0.425 92.1 60 0.25 85.8 0.15 77.3 200 0.075 62 0.04 50.80 0.02 41.00 0.01 34.30 0.006 29.00 0.002 23.00 DISTRIBUSI UKURAN BUTIRAN SISTEM USDA 100 0.00 0.05 2 90 80 70 Lolos 60 50 55 % 40 30 20 10 23 0 0.001 0.01 0.1 1Ukuran Butiran (mm) 10 Clay Lanau (Silt ) Pasir Kerikil(Gravel ) Persentase Butiran Menurut Sistem USDA Jenis Tanah % Gravel 0 Sand 45 Silt 32 Clay 23 Total 100 10. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 10 6 11. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 11 SOAL 8 No Ayakan Diameter % Tanah Lolos USA ayakan Pada Tiap Ayakan (mm) (gr) .(1) .(2) .(3) 20 0.85 100 40 92.10.425 60 85.80.25 77.30.15 200 620.075 50.800.04 41.000.02 34.300.01 29.000.006 23.000.002 DISTRIBUSI UKURAN BUTIRAN SISTEM AASTHO 100 0.00 0.07 2 90 80 70 L o l o s 60 62% 50 % 40 30 20 23% 10 0 Ukuran Butiran (mm) 0.001 0.01 0.1 1 10 Clay Lanau (Silt ) Pasir (Sand) Kerikil(Gravel ) Persentase Butiran Menurut Sistem AASTHO Jenis Tanah % Gravel 0 Sand 38 Silt 39 Clay 23 Total 100 12. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 12 7 13. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 13 SOAL 9 No Ayakan Diameter % Tanah Lolos USA ayakan Pada Tiap Ayakan (mm) (gr) .(1) .(2) .(3) 20 0.85 100 40 0.425 100 60 0.25 94.1 0.15 79.3 200 0.075 34.1 0.04 28.00 0.02 25.20 0.01 21.80 0.006 18.90 0.002 14.00 %Lolos DISTRIBUSI UKURAN BUTIRAN SISTEM MIT 100 0.002 0.06 2 90 80 70 60 50 40 30 32% 20 10 14% 0 Ukuran Butiran (mm) 0.001 0.01 0.1 1 10 Clay Lanau (Silt ) Pasir (Sand) Kerikil(Gravel ) Persentase Butiran Menurut Sistem MIT Jenis Tanah % Gravel 0 Sand 68 Silt 18 Clay 14 Total 100 14. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 14 8 15. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 15 SOAL 10 No Ayakan Diameter % Tanah Lolos USA ayakan Pada Tiap Ayakan (mm) (gr) .(1) .(2) .(3) 20 0.85 100 40 0.425 100 60 0.25 94.1 0.15 79.3 200 0.075 34.1 0.04 28.00 0.02 25.20 0.01 21.80 0.006 18.90 0.002 14.00 DISTRIBUSI UKURAN BUTIRAN SISTEM USDA %Lolos 0.002 0.05 2100 90 80 70 60 50 40 30 20 29 10 14% 0 0.001 0.01 0.1 1Ukuran Butiran (mm) 10 Clay Lanau (Silt ) Pasir Kerikil(Gravel ) Persentase Butiran Menurut Sistem USDA Jenis Tanah % Gravel 0 Sand 71 Silt 15 Clay 14 Total 100 16. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 16 9 17. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 17 SOAL 11 No Ayakan Diameter % Tanah Lolos USA ayakan Pada Tiap Ayakan (mm) (gr) .(1) .(2) .(3) 20 0.85 100 40 0.425 100 60 0.25 94.1 0.15 79.3 200 0.075 34.1 0.04 28.00 0.02 25.20 0.01 21.80 0.006 18.90 0.002 14.00 %Lolos DISTRIBUSI UKURAN BUTIRAN SISTEM AASTHO 100 0.002 0.07 2 90 80 70 60 50 40 30 34.1 20 10 14% 0 Ukuran Butiran (mm) 0.001 0.01 0.1 1 10 Clay Lanau (Silt ) Pasir (Sand) Kerikil(Gravel ) Persentase Butiran Menurut Sistem AASTHO Jenis Tanah % Gravel 0 Sand 65.9 Silt 20.1 Clay 14 Total 100 18. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 18 10 19. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 19 SOAL 12 Diket: Uji hydrometer GS = 2.70 T = 22 C L = 11.9 cm t. = 30 menit Ditanya : Diameter ukuran butir terkecil Jawab: Berdasarkan Tabel 1.7 (hal 20) didapat nilai K = 0.01199 D = K L = 0.01199 11.9= 0.001887 mm t 30 20. TUGAS IV MEKANIKA TANAH I ZUL ANWAR 1310015211092 CIVIL ENGINEERING BUNG HATTA UNIVERSITY Page 20 11 </p>