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Problem 5 Consider the flow net shown below. The sandy soil has...
3. The flow net shown below illustrates flow conditions beneath a concrete dam featuring an upstream...
3. The flow net shown below illustrates flow conditions beneath a concrete dam featuring an upstream "clay blanket" (an impermeable clay layer) and a downstream "cutoff wall", both of which serve to lengthen the flow path. The coefficient of permeability, k, of the permeable strata is 8 x 10 cm/s. a. Calculate the flow rate, q, per day beneath the dam (per m of dam out-of-plane). b. Calculate the total head, elevation head, pressure head, and pore water pressure at...
Problem (2) (12) For the concrete dam and soil profile shown in the Figure below, the...
Problem (2) (12) For the concrete dam and soil profile shown in the Figure below, the flow net is cons channel and 8 isted of 3 fNow rops, calculate: a) The rate of seepage under the dam in ft /sec/ft. b) Pore water pressure at points A, C, and D in Ib/ft. c) The uplift force in lb/ft at the base of the dam due to water pressure C use points C and D). 20
Problem 4: a) Calculate the total overburden, effective stress and pore pressure distribution for the soil...
Problem 4: a) Calculate the total overburden, effective stress and pore pressure distribution for the soil profile below. Neglect the surcharge for this analysis. Draw out all pressure profiles in a neat manner using a ruler. NO sketches and sloppy drawings permitted. b) Calculate the change in pressure if the water table rises to the interface of the clayey/sandy soil layers. You may show your results graphically or report the change in pressures along with the new pressures at the...
2. Complete the following for the impermeable dam shown below: a. Identify a datum, indicate the...
2. Complete the following for the impermeable dam shown below: a. Identify a datum, indicate the first and last equipotential lines, and indicate the first and last flow lines b. Draw the flow net and determine the seepage under the dam. Calculate the pore water pressure (u) at points A, B, and C (in units of kPa). d. c. Estimate the uplift force (Fu) under the concrete dam (in units of kN/m of length) Note: an additional figure is included...
Consider the figure of a dam shown below. The soil underneath the dam foundation has a...
Consider the figure of a dam shown below. The soil underneath the dam foundation has a coefficient of permeability, k = 3.5 x 10-3 cm/s. The water head on the upstream side is 15 m, and on the downstream side is 1 m. Compute the daily seepage underneath the dam if the length of the dam is 400 m. (Hint: draw the flow net) 1 1 DAM 15 m 1 m is Bed Rock
Given the structure and the flow net detailed in Figure 1. The coefficient of permeability(i.e.the hydraulic conductivity) of the soil is 5.0×10-5m/s.(1) Identify all of the boundary conditions.(2) Determine the quantity of seepage.(3) What is the uplift
Given the structure and the flow net detailed in Figure1. The coefficient of permeability(i.e.the hydraulic conductivity) of the soil is 5.0×10-5m/s.(1) Identify all of the boundary conditions.(2) Determine the quantity of seepage.(3) What is the uplift force on the base of the structure?(4) Determine the water pressure at Point A
3. The flow net shown below illustrates flow conditions beneath a concrete dam featuring an upstream "clay blanket" (an impermeable clay layer) and a downstream "cutoff wall", both of which serve to lengthen the flow path. The coefficient of permeability, k, of the permeable strata is 8 x 10 cm/s. a. Calculate the flow rate, q, per day beneath the dam (per m of dam out-of-plane). b. Calculate the total head, elevation head, pressure head, and pore water pressure at...
Problem (2) (12) For the concrete dam and soil profile shown in the Figure below, the flow net is cons channel and 8 isted of 3 fNow rops, calculate: a) The rate of seepage under the dam in ft /sec/ft. b) Pore water pressure at points A, C, and D in Ib/ft. c) The uplift force in lb/ft at the base of the dam due to water pressure C use points C and D). 20
Problem 4: a) Calculate the total overburden, effective stress and pore pressure distribution for the soil profile below. Neglect the surcharge for this analysis. Draw out all pressure profiles in a neat manner using a ruler. NO sketches and sloppy drawings permitted. b) Calculate the change in pressure if the water table rises to the interface of the clayey/sandy soil layers. You may show your results graphically or report the change in pressures along with the new pressures at the...
2. Complete the following for the impermeable dam shown below: a. Identify a datum, indicate the first and last equipotential lines, and indicate the first and last flow lines b. Draw the flow net and determine the seepage under the dam. Calculate the pore water pressure (u) at points A, B, and C (in units of kPa). d. c. Estimate the uplift force (Fu) under the concrete dam (in units of kN/m of length) Note: an additional figure is included...
Consider the figure of a dam shown below. The soil underneath the dam foundation has a coefficient of permeability, k = 3.5 x 10-3 cm/s. The water head on the upstream side is 15 m, and on the downstream side is 1 m. Compute the daily seepage underneath the dam if the length of the dam is 400 m. (Hint: draw the flow net) 1 1 DAM 15 m 1 m is Bed Rock
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