EBK PRINCIPLES OF FOUNDATION ENGINEERIN
8th Edition
ISBN: 8220100547058
Author: Das
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 2, Problem 2.10P
To determine
Plot the flow net and determine the seepage loss per length of the sheet pile.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
HOMEWORK
P1:
For a given sheet pile driven into a permeable soil layer underlain by an impermeable clay layer,
(a) Draw the flow net by using Nf= 3.
(b) Compute the flow rate q around the sheet pile.
Sheet pile
h=3.5 m
1.5 m
H=5 m
H=10 m
Sandy soil
k=0.0035 cm/sec
Impervious Layer
Answer: (b) q = 0.583 cm3/s/cm
Determine the total flow rate through all channels per unit length of the
respective Flownet of sheet pile. Given coefficient of permeability, k = 2.8
x10-5 cm/s (refer Figure above)
h = 30 m
h2= 10 m
O 0.0021 cm2/s
O 0.00125 cm2/s
O 0.0056 cm2/s
O 0.0028 cm2/s
Refer to Figure 8.23. Given:• H1 = 6m• H2 = 1.5 m• D = 3 m• D1 = 6 mDraw a flow net. Calculate the seepage loss per meter length of the sheet pile (at a right angle to the cross section shown).
Chapter 2 Solutions
EBK PRINCIPLES OF FOUNDATION ENGINEERIN
Ch. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10P
Ch. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - For a normally consolidated soil, the following is...Ch. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- 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 0.2harrow_forwardFigure 18.26a shows a pile. Let L = 20 m, D = 450 mm. Hf = 4m, f = 17.5 kN/m3, fill = 25. Determine the total downward drag force on the pile. Assume that the fill is located above the water table and that = 0.5 fill. FIG. 18.26 Negative skin frictionarrow_forwardExample 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 laverarrow_forward
- PROBLEM No. 5 The section of a sheet pile is shown in figure below. The coefficient of permeability of the soil is k = 4.2 x 103 m/s. Determine the seepage into the downstream side per meter length of the sheet pile.arrow_forwardGiven 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 0.2harrow_forwardA 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 carrow_forward
- 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.arrow_forwardProblem (2) a) Find the quantity of discharge q per meter width for the sheet pile given in the figures below, knowing that the soil has permeability of: k,= k,=22*10“cm/s b) Find pressure heads at 12 points as shown in figure. Provide the solution in a tabulated form for values of dissipated head and total head. c) Find the hydraulic gradient at exit (between point 11 and 12) Elevation (m) 100.0 Sheet piling 7 m 12 93.0 11 91.4 4 10 7 m 89.4 59 87.4 86.3 86.0 7 6 m 80.0 Imnervinusarrow_forwardA 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:arrow_forward
- 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.arrow_forwardFor the flow net shown below, calculate: a. Flow Rate per unit length. b. Uplift force per unit length under the dam. c. Effective stress at points A and B. d. The seepage loss for 8 m length of sheet pile (additional) e. Pressure head at point C (from ground surfac) (additional). f. Total head at point A (additional). g. The exit gradiant (additional). (k = 1 × 10-Sm/s , Ysat 19 KN/m³) 10m 2m 0.9m 815m 13m 13m 22m Impermeable Rockarrow_forward114 A driven closed-ended pile, circular in cross section, is shown in Figure P11.4. Calculate the following: a. The ultimate point load using Meyerhof's procedure. b. The ultimate point load using Vesic's procedure. Take I,, = 50. e. An approximate ultimate point load on the basis of parts (a) and (b).arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Fundamentals of Geotechnical Engineering (MindTap...Civil EngineeringISBN:9781305635180Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning