Situation 1 For the given figure, the following stresses were found. Note: ov = Total Stress, u = Pore Water Pressure and ov' = Effective Stress Gravelly sand 4. Sand Sandy gravel 7. 5 z (m) 0 4 6 10 15 A. 14.7 B. 13.2 Void ratio of gravelly sand if G, = 2.6. A. 0.54 B. 0.73 5. Saturated unit weight of sand (kN/m³). A. 18.2 B. 17.4 σ, (kPa) 0.0 Assuming unit weight of water Yw = 9.8, determine the following: 1. Moist unit weight of gravelly sand (kN/m³). A. 14.7 B. 16.3 2. Saturated unit weight of gravelly sand (kN/m³). A. 17.4 B. 18.5 3. Dry unit weight (kN/m³) of gravelly sand if the moisture content of gravelly sand above water table is 21%. 6. Buoyant unit weight of sandy gravel (kN/m³). A. 10.7 B. 9.2 71.2 108.2 186.2 281.2 C. 15.6 D. 17.8 C. 19.2 D. 20.7 C. 15.4 D. 16.9 C. 0.82 D. 0.69 C. 19.5 D. 20.3 u (kPa) 0.0 0.0 19.6 58.9 107.9 C. 8.8 D. 11.5 o', (kPa) 0.0 71.2 88.6 127.3 173.3

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Chapter2: Loads On Structures
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solve problem 4-6

Situation 1
For the given figure, the following stresses were found.
Note: ov = Total Stress, u = Pore Water Pressure and ov' = Effective Stress
Gravelly sand
4.
Sand
Sandy gravel
7.
5
z (m)
0
4
6
10
15
A. 14.7
B. 13.2
Void ratio of gravelly sand if G, = 2.6.
A. 0.54
B.
0.73
5. Saturated unit weight of sand (kN/m³).
A. 18.2
B. 17.4
σ, (kPa)
0.0
Assuming unit weight of water Yw = 9.8, determine the following:
1. Moist unit weight of gravelly sand (kN/m³).
A.
14.7
B.
16.3
2. Saturated unit weight of gravelly sand (kN/m³).
A. 17.4
B.
18.5
3. Dry unit weight (kN/m³) of gravelly sand if the moisture content of gravelly sand above water
table is 21%.
6. Buoyant unit weight of sandy gravel (kN/m³).
A. 10.7
B. 9.2
71.2
108.2
186.2
281.2
C. 15.6
D. 17.8
C. 19.2
D. 20.7
C. 15.4
D. 16.9
C. 0.82
D. 0.69
C. 19.5
D. 20.3
u (kPa)
0.0
0.0
19.6
58.9
107.9
C. 8.8
D. 11.5
o', (kPa)
0.0
71.2
88.6
127.3
173.3
Transcribed Image Text:Situation 1 For the given figure, the following stresses were found. Note: ov = Total Stress, u = Pore Water Pressure and ov' = Effective Stress Gravelly sand 4. Sand Sandy gravel 7. 5 z (m) 0 4 6 10 15 A. 14.7 B. 13.2 Void ratio of gravelly sand if G, = 2.6. A. 0.54 B. 0.73 5. Saturated unit weight of sand (kN/m³). A. 18.2 B. 17.4 σ, (kPa) 0.0 Assuming unit weight of water Yw = 9.8, determine the following: 1. Moist unit weight of gravelly sand (kN/m³). A. 14.7 B. 16.3 2. Saturated unit weight of gravelly sand (kN/m³). A. 17.4 B. 18.5 3. Dry unit weight (kN/m³) of gravelly sand if the moisture content of gravelly sand above water table is 21%. 6. Buoyant unit weight of sandy gravel (kN/m³). A. 10.7 B. 9.2 71.2 108.2 186.2 281.2 C. 15.6 D. 17.8 C. 19.2 D. 20.7 C. 15.4 D. 16.9 C. 0.82 D. 0.69 C. 19.5 D. 20.3 u (kPa) 0.0 0.0 19.6 58.9 107.9 C. 8.8 D. 11.5 o', (kPa) 0.0 71.2 88.6 127.3 173.3
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