Questions from Geotechnical Engineering

Q: Refer to the cross section of the earth dam shown in

Refer to the cross section of the earth dam shown in Figure 8.19. Calculate the rate of seepage through the dam (q in m3/min/m) using Schaffernak’s solution.

Q: Solve Problem 8.10 using L. Casagrande’s method.

Solve Problem 8.10 using L. Casagrande’s method.

Q: An earth dam section is shown in Figure 8.33.

An earth dam section is shown in Figure 8.33. Determine the rate of seepage through the earth dam using Pavlovsky’s solution. Use k = 4 × 10-5 mm/s.

Q: Draw a flow net for the single row of sheet piles driven

Draw a flow net for the single row of sheet piles driven into a permeable layer as shown in Figure 8.28. Given: H1 = 3 m D = 1.5 m H2 = 0.5 m D1 = 3.75 m Calculate the seepage loss per meter le...

Q: Refer to Figure 8.28. Given: H1 =

Refer to Figure 8.28. Given: H1 = 4 m D1 = 6 m H2 = 1.5 m D = 3.6 m Calculate the seepage loss in m3/day per meter length of the sheet pile (at right angles to the cross section shown). Use Figure...

Q: The porosity of a soil is 0.35. Given Gs

The porosity of a soil is 0.35. Given Gs = 2.69, calculate: Saturated unit weight (kN/m3 ) Moisture content when moist unit weight 5 17.5 kN/m3

Q: For the hydraulic structure shown in Figure 8.29, draw

For the hydraulic structure shown in Figure 8.29, draw a flow net for flow through the permeable layer and calculate the seepage loss in m3 /day/m.

Q: Refer to Problem 8.4. Using the flow net drawn

Refer to Problem 8.4. Using the flow net drawn, calculate the hydraulic uplift force at the base of the hydraulic structure per meter length (measured along the axis of the structure).

Q: Draw a flow net for the weir shown in Figure 8.

Draw a flow net for the weir shown in Figure 8.30. Calculate the rate of seepage under the weir.

Q: For the weir shown in Figure 8.31, calculate the

For the weir shown in Figure 8.31, calculate the seepage in the permeable layer in m3/day/m for x9 = 1 m and x9 = 2 m. Use Figure 8.13.