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2. Complete the following for the impermeable dam shown below: a. Identify a datum, indicate the...
Problem 13 a. Draw the flow net for the dam shown below (datum is at the...
Problem 13 a. Draw the flow net for the dam shown below (datum is at the 54 ft bedrock-soil interface). The dam has a 36-ft sheet pile driven into the granular soil layer. Redraw the schematic to scale. Use solid 24 ft 21 ft lines to indicate flow lines and dashed lines to indicate Soil equipotential lines. b. Calculate the rate of seepage at 36 ft the exit of the dam in ft/day per 60 ft Sheet pile unit width...
50 m Impermeable Concrete dam 6 m 1 m 10 m PtA (at mid-point of layer...
50 m Impermeable Concrete dam 6 m 1 m 10 m PtA (at mid-point of layer and centre of base) DATUM Impermeable bedrock Figure 2: Concrete dam (not to scale) Figure 2 shows the cross-section through a long concrete dam in anisotropic soil. The horizontal and vertical permeability of the soil are: K 25 x 10-4 cm/sec and Ky 1 x 10-cm/sec.. (a) Calculate the transform parameter a. In your exam booklet, draw the transformed flow domain to scale and...
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...
10. Calculate the following parameters from the flow net below. (a) The seepage under the dam...
10. Calculate the following parameters from the flow net below. (a) The seepage under the dam (in m/s) (b) The uplift pressure at point A under the dam (in kPa) 20 m L-1m 6.5 m Concrete 1 m K4.5 x 10 cm/s 10.5 m AYANAYAYA Impervious
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
*need the uplift force Problem 5 Consider the flow net shown below. The sandy soil has...
*need the uplift force
Problem 5 Consider the flow net shown below. The sandy soil has an average saturated unit weight of 20 kN/m and permeability of 0.002 cm/s. Numbers provided are elevations from the interface with the impervious layer. The other "set" of numbers counts the number of head drops. (a) Compute the distribution of pore water pressure acting along the base of the concrete weir, and determine the vertical uplift force that the water pressure exerts on the...
Draw a flow netlfor the case of a long concrete dam shown in the Figure below...
Draw a flow netlfor the case of a long concrete dam shown in the Figure below and calculate the quantity of seepage underneath the dam. The soil underneath the dam is homogeneous and isotropic with a coefficient of permeability of 1.8 x 106 m/s. Determine the minimum weight of the dam required to maintain a factor of safety of 1.5 against the uplift of the dam. If the saturated unit weight of the soil is 18 KN/mP, check whether quicksand...
Please show all steps and work. Problem 4: (20 points) th For the hydraulic structure shown,...
Please show all steps and work.
Problem 4: (20 points) th For the hydraulic structure shown, a) Calculate the flow rate or seepage loss in m3/day/m around the dam through the permeable layer using k=0.002 cm/s. (6 points) b) Calculate the hydraulic uplift pressure at the base of the dam at point A. (7 points) c) What is the factor of safety against piping? (7 points) The void ratio of the sand is 0.59, Gs = 2.65 sm 10 m...
5 8 7 8 9 10 111 112 113 114 15 Q3b(i) Figure shows a flow...
5 8 7 8 9 10 111 112 113 114 15 Q3b(i) Figure shows a flow net beneath an impervious concrete dam. The permeability of the soil foundation is 1.4 x10-6 m/s. The head loss between upstream and downstream is 6.8m. The water height (H1) is 13.4m. Unit weight of water is 9.81 kN/m3 Upstream H1 11.5 m Downstream T 9.0 m 17.0 m; datum impermeable stratum Determine the quantity of seepage in m/day, if the dam is 4 m...
hope to get a clear answer Earth dam h 5.6m 0.8 m 0.8 m 0.8 m 0.8 m 0.8 m 08 m Reservoir_ Phreatic surface (u 0) Impermeable foundation Gravel toe drain (flooded) Figure 1 Question 1 What...
hope to get a clear answer
Earth dam h 5.6m 0.8 m 0.8 m 0.8 m 0.8 m 0.8 m 08 m Reservoir_ Phreatic surface (u 0) Impermeable foundation Gravel toe drain (flooded) Figure 1 Question 1 What is the estimated seepage through the earth dam per m run: (a) 96 x 10-5 m3/hour (b) 1.92 x 10-5 m3/hour (c) 6.91 x 10-2 m3/hour (d) 115.2 x 10-5 m3/hour er m run)- Question 2 The total head at point A...
Problem 13 a. Draw the flow net for the dam shown below (datum is at the 54 ft bedrock-soil interface). The dam has a 36-ft sheet pile driven into the granular soil layer. Redraw the schematic to scale. Use solid 24 ft 21 ft lines to indicate flow lines and dashed lines to indicate Soil equipotential lines. b. Calculate the rate of seepage at 36 ft the exit of the dam in ft/day per 60 ft Sheet pile unit width...
50 m Impermeable Concrete dam 6 m 1 m 10 m PtA (at mid-point of layer and centre of base) DATUM Impermeable bedrock Figure 2: Concrete dam (not to scale) Figure 2 shows the cross-section through a long concrete dam in anisotropic soil. The horizontal and vertical permeability of the soil are: K 25 x 10-4 cm/sec and Ky 1 x 10-cm/sec.. (a) Calculate the transform parameter a. In your exam booklet, draw the transformed flow domain to scale and...
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...
10. Calculate the following parameters from the flow net below. (a) The seepage under the dam (in m/s) (b) The uplift pressure at point A under the dam (in kPa) 20 m L-1m 6.5 m Concrete 1 m K4.5 x 10 cm/s 10.5 m AYANAYAYA Impervious
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
*need the uplift force
Problem 5 Consider the flow net shown below. The sandy soil has an average saturated unit weight of 20 kN/m and permeability of 0.002 cm/s. Numbers provided are elevations from the interface with the impervious layer. The other "set" of numbers counts the number of head drops. (a) Compute the distribution of pore water pressure acting along the base of the concrete weir, and determine the vertical uplift force that the water pressure exerts on the...
Draw a flow netlfor the case of a long concrete dam shown in the Figure below and calculate the quantity of seepage underneath the dam. The soil underneath the dam is homogeneous and isotropic with a coefficient of permeability of 1.8 x 106 m/s. Determine the minimum weight of the dam required to maintain a factor of safety of 1.5 against the uplift of the dam. If the saturated unit weight of the soil is 18 KN/mP, check whether quicksand...
Please show all steps and work.
Problem 4: (20 points) th For the hydraulic structure shown, a) Calculate the flow rate or seepage loss in m3/day/m around the dam through the permeable layer using k=0.002 cm/s. (6 points) b) Calculate the hydraulic uplift pressure at the base of the dam at point A. (7 points) c) What is the factor of safety against piping? (7 points) The void ratio of the sand is 0.59, Gs = 2.65 sm 10 m...
5 8 7 8 9 10 111 112 113 114 15 Q3b(i) Figure shows a flow net beneath an impervious concrete dam. The permeability of the soil foundation is 1.4 x10-6 m/s. The head loss between upstream and downstream is 6.8m. The water height (H1) is 13.4m. Unit weight of water is 9.81 kN/m3 Upstream H1 11.5 m Downstream T 9.0 m 17.0 m; datum impermeable stratum Determine the quantity of seepage in m/day, if the dam is 4 m...
hope to get a clear answer
Earth dam h 5.6m 0.8 m 0.8 m 0.8 m 0.8 m 0.8 m 08 m Reservoir_ Phreatic surface (u 0) Impermeable foundation Gravel toe drain (flooded) Figure 1 Question 1 What is the estimated seepage through the earth dam per m run: (a) 96 x 10-5 m3/hour (b) 1.92 x 10-5 m3/hour (c) 6.91 x 10-2 m3/hour (d) 115.2 x 10-5 m3/hour er m run)- Question 2 The total head at point A...
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