4. For the system shown in the figure below: Datum 5.0 m 7.0 m 5.0 m a) Flow rate per meter length of sheet pile, if k = 1 × 10-4 m/s. b) Calculate the total stress at point A, if void ratio of the soil is equal to 0.57 and specific gravity is 2.68.

4. For the system shown in the figure below: Datum 5.0 m 7.0 m 5.0 m a) Flow rate per meter length of sheet pile, if k = 1 × 10-4 m/s. b) Calculate the total stress at point A, if void ratio of the soil is equal to 0.57 and specific gravity is 2.68.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Question: A flow net for flow around a single row of sheet piles in a permeable soil layer is shown in Figure 1. Given that k = 5 + 10-5 mm/sec Ya = 20 kN/m³ w = 21% n = 20% Determine, a) How high [m] the water will rise if piezometer is placed at point B (above point B). b) The total rate of seepage [m/s/m] through the permeable layer per unit length. c) Magnitudes of effective vertical stress [kN/m³] at A and B. Sheet piling 4.00 m 8.00 m 1.00 m 11.00 m FC 6.00 m 8.00 m Datum Figure 1
The sheet pile shown on the figure below is driven into a soil with a permeabilityk = 22 × 10-4 cm/s. Calculatea- the seepage loss per metre lengthb- the pore water pressure at the 12 points shown on the figure.
Answer the following questions: a- What is pre-consolidation pressure? Plot the consolidation curve and show it. b- In which region of the optimum water content of a dam clay core is desired to be, explain why.
Hand Writting not allowed
(1) A well is drilling to the depth of 6000 m. Formation pore pressure can be expressed in equivalent mud weight is 1.50 g/cm' at the depth and changes in proportion to well depth. Also, overburden pressure gradient is 0.0245 MPa/m. Calculate: a. Pore pressure gradient at 6000 m, MPa/m. b.Pore pressure, psi, at 6000 m. c. Matrix stress gradient, MPa/m d.Matrix stress at 6000 m, MPa
Flow Nets A single row of sheet piles is driven into a permeable layer as shown in the figure. Given: • Hị = 5.5 m • H2 = 4.4 m Calculate the seepage loss per meter length of the sheet pile (at right angles to the cross section shown). Bear in mind that in the flow net of the system the number of flow channels is Nf = 4 and the number of potential drops is Na = 8. + Sheet pile H H2 D k = 4 × 10-4 cm/sec Impermeable layer Round your final answer to three significant figures. ® m³/ day /m 1.
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=2.8
A small-scale flow experiment is conducted in the box shown to scale in the Figure below with a model sheet pile wall A'-D. Out-of-plane width of the model is 10 cm. Permeability k of the soil is 0.002 cm/s. (a) Identify all equipotential EQ and flow line FL boundary conditions directly on the figure below. (b) Using lines 1, 2, 3, and 4 on the figure as flow lines, sketch the equipotential lines for a square flownet directly on the figure. (c) Using your flownet, estimate the total volume of flow through the model in 5 minutes, in cm³. (d) A standpipe is inserted at point 1, 35 cm below the upstream water level A-A'. Using the flow net shown, estimate the height of water in this standpipe below the upstream water level A-A'? (e) During the experiment, with water flowing, the downstream ground surface is altered to location F-G. Indicate the revised equipotential boundary condition on the downstream side. Sketch likely revised flow line locations in the downstream region using dashed…
سويل In the figure below if h,=3 m: h2=2.8 m; q=500 kN/m? 9- KN/m? (net stress increase) AVAVAV Sand y= 15.7 kN/m 1.5 m Groundwater Table BxL= 1.5 m x 3.0 m him Sand Yat= 16.5 kN/m Clay Yaa= 16 kN/m e, = 0.68 C. = 0.25 C, = 0.06 h2 Please fill in the blank with only one digit and no units like this 123.4 A) if the drainage in the clay layer is single drainage, resulted in 90% primary consolidation in 120 days. Find the coefficient of consolidation in cm/day. 554.0 B) If c, =621 cm/day, and the tool settlement is 30 cm, How long (in days) will it take for the clay layer in the field to reach 11 cm consolidation? 13.3 •.. المزيد
Note:Format should not be hand written.
answer in complete solution
b) For h 150 mm, 175 ml of water was collected in 15 minutes. Find the 15% followings. 4) i) Soil permeability. ii) Effective vertical stress at A which is a point exists 220 mm below the top of the sample. See the flow net shown in Fig. Q4 for analysing the seepage beneath the concrete dam. 5 m H=3m 08m 12 m R 3 m 교 Datum TH=0 m Fig. Q 4 a) Compute the flow rate through the soil beneath the concrete dam. Consider 10% the soil permeability as 3.2 * 104cm/s. b) Compute the pore water pressures at points A, B, and C. 15% End of Question Paper 3