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![up lift Pressure - PA= two hp [ow = 9.81 kW/23] - 9.81 x 3.54 TPA = 34.72 148a] . Uplift . pressure @ A = 34.72 kpa](http://img.homeworklib.com/questions/43909d20-cb9d-11ea-9305-17fd05cb5244.png?x-oss-process=image/resize,w_560)
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10. Calculate the following parameters from the flow net below. (a) The seepage under the dam...
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...
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...
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...
Problem 1: Following figures show geometry of a dam and seepage flownet a) If the length...
Problem 1: Following figures show geometry of a dam and seepage flownet a) If the length of the dam is 2 km, estimate the quantity of seepage in liter/day (3 points) b) Estimate the exit gradient c) Plot the uplift pressure distribution on the base of the dam. Use EXCEL or MATLAB to plot (2 points) the same. Plot distance on X axis and Uplift pressure on Y-axis with Y axis reversed (increasing in the downward direction). Show a sample...
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...
T-Mobile 10:50 AM ??* 59%.ID, + Done 13 of 13 Seepage 1 A masomry dum having...
T-Mobile 10:50 AM ??* 59%.ID, + Done 13 of 13 Seepage 1 A masomry dum having a shestpiline cutof at the upstream end is located at a rescrvoir site as shown in the fol kywing figure. The base of the dam (surface A-B) is located 5 fect below the soil is 00)l ft'min, Given the flow net, calculate: (a) Total seepage per unit width of the permcable layer (b) Hydrostatic pressure at B, C, and D (c) The uplift force...
Find the flow rate per meter and draw pressure distribution under the concrete dam if kx=X1...
Find the flow rate per meter and draw pressure distribution under the concrete dam if kx=X1 cm/sec and ky=X2 cm/sec: H Dam Impervious X1= 8*10-3 X2= 2*10-4 H=6.6 m
Q.3. A flow net is shown below for a concrete spillway. Assume all elements of the...
Q.3. A flow net is shown below for a concrete spillway. Assume all elements of the flow net are approximately square. The concrete spillway is 800 ft long. The permeable soil below the concrete spillway has a hydraulic conductivity of k -0.001 in/min. The bottom of the reservoir is set as the datum. (a) Determine the rate of seepage below the concrete spillway in units of ft/day; (b) Calculate the uplift pressure along the bottom of the concrete spillway at...
For the completed flow net of the figure below, compute the flow under the dam per...
For the completed flow net of the figure below, compute the flow under the dam per mete dam if the coefficient of permeability is 7.2x 10of cm/s 6. -4 50 m 6.3 m1.6 m 9.4 m 17.2 m
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...
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...
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...
Problem 1: Following figures show geometry of a dam and seepage flownet a) If the length of the dam is 2 km, estimate the quantity of seepage in liter/day (3 points) b) Estimate the exit gradient c) Plot the uplift pressure distribution on the base of the dam. Use EXCEL or MATLAB to plot (2 points) the same. Plot distance on X axis and Uplift pressure on Y-axis with Y axis reversed (increasing in the downward direction). Show a sample...
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...
T-Mobile 10:50 AM ??* 59%.ID, + Done 13 of 13 Seepage 1 A masomry dum having a shestpiline cutof at the upstream end is located at a rescrvoir site as shown in the fol kywing figure. The base of the dam (surface A-B) is located 5 fect below the soil is 00)l ft'min, Given the flow net, calculate: (a) Total seepage per unit width of the permcable layer (b) Hydrostatic pressure at B, C, and D (c) The uplift force...
Find the flow rate per meter and draw pressure distribution under the concrete dam if kx=X1 cm/sec and ky=X2 cm/sec: H Dam Impervious X1= 8*10-3 X2= 2*10-4 H=6.6 m
Q.3. A flow net is shown below for a concrete spillway. Assume all elements of the flow net are approximately square. The concrete spillway is 800 ft long. The permeable soil below the concrete spillway has a hydraulic conductivity of k -0.001 in/min. The bottom of the reservoir is set as the datum. (a) Determine the rate of seepage below the concrete spillway in units of ft/day; (b) Calculate the uplift pressure along the bottom of the concrete spillway at...
For the completed flow net of the figure below, compute the flow under the dam per mete dam if the coefficient of permeability is 7.2x 10of cm/s 6. -4 50 m 6.3 m1.6 m 9.4 m 17.2 m
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