Foundation Design: Principles and Practices (3rd Edition)
3rd Edition
ISBN: 9780133411898
Author: Donald P. Coduto, William A. Kitch, Man-chu Ronald Yeung
Publisher: PEARSON
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Chapter 3, Problem 3.16QPP
To determine
The plot of pore water pressure, total vertical pressure, effective total pressure and shear strength on the horizontal plane versus depth.
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write all step is clearly pls you give me different solution why
Figure Q1(b) below shows a soil profile. Points A, B, C, D & E are respectively 0.0, 1.5, 3.2, 6.5 and 10.0 m below the ground. As indicated, the water table is located 1.5m below the ground surface. The densities of the soils are also given in the figure.
(i)Calculate the vertical total stress (σv), pore water pressure (u) and vertical effective stress (σv’) at points: A, B, C, D & E.
(ii)Draw a sketch of the variation of stresses (total stress (σv), pore water pressure (u) and vertical effective stress (σv’) with the depth of the soil profile.
Can you help with b?
Chapter 3 Solutions
Foundation Design: Principles and Practices (3rd Edition)
Ch. 3 - Explain the difference between moisture content...Ch. 3 - A certain saturated sand has a moisture content...Ch. 3 - Consider a soil that is being placed as a fill and...Ch. 3 - A sample of soil has a volume of and a weight of...Ch. 3 - A site is underlain by a soil that has a unit...Ch. 3 - The sub-surface profile at a certain site is shown...Ch. 3 - A vertical load of 300 kN is applied to a area at...Ch. 3 - A vertical load of 20 k is applied to a area at...Ch. 3 - 3m3m footing is to be built on the surface of a 15...Ch. 3 - A 3 ft square footing carries a sustained load of...
Ch. 3 - A 2m thick fill is to be placed on the soil shown...Ch. 3 - Estimate the effective friction angle of the...Ch. 3 - Explain the difference between the drained...Ch. 3 - A soil has c=5 kPa and =32. The effective stress...Ch. 3 - A footing with an embedment of 2 m is embedded in...Ch. 3 - Prob. 3.16QPPCh. 3 - Prob. 3.17QPPCh. 3 - A 9 ft thick fill is to be placed on the soil...
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- A soil profile consisting of three layers is shown. Plot the variation of effective stress with depth. The layer properties are tabulated below. Final calculated answer should be in 3 decimal places.arrow_forward- Please Help!!arrow_forward6. A cylindrical sample of soil is iso-tropically compressed at 150 KPa under drained condition. Subsequently, the axial stress was held constant and the radial stress was increased to 300 kPa under an undrained condition. (a) Calculate the initial mean effective stress and deviatoric stress. Create a graph with the x-axis as p, p' and the y-axis as q (p, q space). Plot these values in (p, ) space. (b) Calculate the increase in mean total stress and deviatoric stress. (c) Plot the total and effective stress paths (assume the soil is a linear, isotropic, elastic material). (d) Determine the slopes of the total and effective stress paths and the maximum excess porewater pressure for each space.arrow_forward
- A dilatometer test was conducted in a clay deposit. The groundwater table was locatedat a depth of 3 m below the surface. At a depth of 8 m below the surface, the contact pressure spod was 280 kN/m2 and the expansion stress sp1d was 350 kN/m2. Determinethe following:a. Coefficient of at-rest earth pressure, Kob. Overconsolidation ratio, OCRc. Modulus of elasticity, EsAssume s 9o at a depth of 8 m to be 95 kN/m2 and ms 5 0.35.arrow_forwardProblem 2 Plot the stress profile for total stress, effective stress and pore water pressure. Show all calculation. A Dry sand 0.61 G=266 Saturated sand. e=0,48 G=267 Clayarrow_forward7. Figure 2 shows the Total Stress and Effective Stress Diagram of a soil profile Effective Stress (kN/m²) Total Stress (kN/m²) 100 100 Depth (m) 1 2 7 8 9 10 50 42 56 86 150 200 Depth (m) 1 2 3 4 7 8 9 10 50 42 56 66 94 150 200 154 Figure 2. Total stress and effective stress diagram a. Based on the diagram, what is the elevation of the groundwater table? b. If the unit weight of water is 10 kN/m^3, what is the unit weight of the saturated layer between 4 and 6 m deep? c. What are the impacts of rising and falling groundwater levels? Explain your answer and give some examples.arrow_forward
- A soil profile is shown in figure below. Calculate the following:a. Effective stress at point A in kPa.b. Effective stress at point B in kPa.c. Effective stress at point C in kPa.arrow_forwardPlease give me the correct answer and solution of this problem in geotechnical engineeringarrow_forwardQ-2 For the soil profile shown in the figure below calculate and plot the total stress, pore water pressure and effective stress at points A, B, C and D. Give the following Data :arrow_forward
- Question attachedarrow_forwardSubject: Geotechnical engineering- Soil Mechanicsarrow_forwardA square footing supporting a column applies a uniform pressure of 100 kPa on top of a deep clay deposit. Based on the bulbs of pressure developed below the footing shown in the following figure, which of the following statements are correct (select all that apply)? A.Immediately after construction, the effective vertical stress developed at Points B and C is the same. B.Immediately after construction, the excess pore water pressure (∆u) developed at Point B is lower than ∆u developed at Point A. C.After construction, the excess pore water pressure at Point C dissipates faster than that dissipated at Point B. D.arrow_forward
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