A flownet for flow around a single row of sheet piles in a permeable soil layer is shown in Figure 1 below. Given the hydraulic conductivity is 5 x 10-3 cm/sec. Determine:
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- A flow net for flow around a single row of sheet piles in a permeable soil layer is shown in the Figure below. Given that kx= kz = k= 5.5 x 10-3 cm/sec, H1 = 6.5 m and H2 = 2.3 m determine: i. How high (above the ground surface) the water will rise if piezometers are placed at points a and b ii. The total rate of seepage through the permeable layer per unit length iii. The approximate average hydraulic gradient at cQ1#: For the concrete Dam shown in figure, determine the total average seepage for the given permeable strata by drawing Flow Net. The detail dimensions are given on the figure. The head of water on upstream side is 6ft and on downstream side is 1ft. Assume of Nf= 3, Nd= 6 and rectangular flow elements. Use paint or graph paper. SIR PLS, GIVE ME PROPER AND CORRECT ANSWER WITH FULL DETAILS AND ALSO USE PAINT OR GRAPH PAPER. THANKSExample A flow net for flow around single row of sheet piles in a permeable soil layer is shown in the figure. Given Sheet pile kx = k = k = 5xl10-3 cm/sec. Determine: 1. How high (above the ground 0 surface) the water will rise if piezometers are placed at points a, b, c, and d. 2. The total rate of seepage II II -4.5 Nr= 3 through the permeable layer per unit width. 3. The rate of seepage through the flow channel II per unit width (perpendicular to the section shown) -9.0 Datum Imnermeahle laver
- Given h = 30 m, D= 40 m and the soil beneath the dam has a hydraulic conductivity of 3x10-3 cm/s. Compute 1) pore pressure at point b, and 2) the flow rate under the sheet pile. given = h = 30m NF No D=40m *units meters 0.8h h 30 640 0.7h Sheet pile D12-c 0.6h 0.5h 0.4h 0.2hA flow net for flow around a single row of sheet piles in a permeable soil layer is shown in Figure. Given that kx = kz = k = 5x10-3 cm/sec, determine: a) How high (above the ground surface) the water will rise if piezometers are placed at points a and b. %3D b) The rate of seepage through the permeable layer per unit length. c) The approximate average hydraulic gradient at c. Water level 5.6 m Water table 2.2 m Ground surface How channel 1 Flow channel 2 = 1 1 a How channel 3 0.38 Scale 5 m Impervious layer 1. - 01Given h = 30 m, D= 40 m and the soil beneath the dam has a hydraulic conductivity of 3×103 cm/s. Compute 1) pore pressure at point b, and 2) the flow rate under the sheet pile. given = h = 30m D=40m NF No *units meters 0.8h h 30 640) 0.7h 0.6h 0.5h Sheet pile D12-c 7777 0.4h b 0.34 0.2h
- A flow net for flow around a single row of sheet piles in a permeable soil layer is shown in Figure below with a scale as shown. Given that kx = kz=k = 4 x 10-3 cm/sec, determine How high (above the ground surface) the water will rise if piezometers are placed at points a and b The total rate of seepage through the permeable layer per unit length The approximate average hydraulic gradient at c factor of safety against piping x=1.6 y=2.8Q#4 : For the concrete Dam shown in figure, determine the total average seepage for the given permeable strata by drawing Flow Net. The detail dimensions are given on the figure. The head of water on upstream side is 6ft and on downstream side is 1ft. Assume of Nf= 3, Nd= 6 and rectangular flow elements. Use MSpaint or graph paperA deposit of cohesionless soil with a permeability of 0.3 mm/s has a depth of 12 m with impervious ledge below. A sheet pile wall is driven into this deposit to a depth of 8 m. The wall extendsabove the surface of the soil, and a 3 m depth of water acts on one side. Sketch the flow net and determine the seepage quantity. Provide a diagram a.600 ml/s/meter length b.300 ml/s/meter length c.900 ml/s/meter length d.1200 ml/s/meter length
- A DrahmedsoilMechanicsnoteschapters pdf Downloads/DrahmedsoilMechanicsnoteschapter5.pdf 5.16 Refer to Figure in which upward seepage is taking place through a granular soil contained in a tank. Given: H1 = 1.5 m; H2 = 2.5 m; h = 1.5 m; area of the tank = 0.62 m?: void ratio of the soil, e = 0.49: G. = 2.66; and hydraulic conductivity of the sand (k) = 0.21 cm/sec. a. What is the rate of upward Valve fopen) seepage? b. Will boiling occur when h =1.5 m? Explain. c. What would be the critical value of h to cause boiling? Inflow Ans.: (a) q = 781.2 cm'isec, (b) No. (c) h = 2.77m 5.17 Refer to Figure of Problem 5.16. If H, = 0.91 m, H2 = 1.37 m. h =0.46 m, Ysat = 18.67 kN/m, area of the tank = 0.58 m2, and hydraulic conductivity of the sand (k) = 0.16 cm/sec, a. What is the rate of upward seepage of water (m/min)? b. If the point C is located at the middle of the soil layer, then what is the effective stress at C? Ans.: (a) i= 0.336, (b) q = 0.0187 m/min 5.18 A cut is made in a stiff,…Q: The dam and flow nets shown in Figure below. The dam has two 10 m sheet piles driven partially into the granular soil layer. Datum is at the bottom impervious level. Determine (i) the quantity of seepage loss under the dam in m³/s/m (assume k-2 x 10³ cm/s), (ii) the exit gradient at point X (provide your answer in two decimal points), (iii) the uplift pressure at point C and (iv) the factor of safety with respect to piping. 30 m Impervious: 10m 2m 10m sheet pild Ⓒ 40 m C 0.4 2m E 10 m sheet pile X 8.5 m Scale: 0 Number of equipotential drops 10.4 Datum 10 mExample 3: A flow net for flow around a single row of sheet piles in a permeable soil layer is shown below Given that K, = K, =K = 5 x 10-3 cm/sec, determine 1. How high (above the ground surface) the water will rise if piezometers are placed at points a and b. 2. The total rate of seepage through the permeable layer per unit length. 3. The approximate average hydraulic gradient at Water level 5.6 m Water table 2.2 m Ground surface Flow channel I Flow channel 2 Flow channel 3 b. 0.38 Scale 5 m Impervious layer