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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Textbook Question
Chapter 3, Problem 3.7QPP
A vertical load of 300 kN is applied to a
- Compute the induced vertical stress,
- Compute the induced vertical stress,
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Use the standard reduction potentials located in the 'Tables' linked above to calculate the equilibrium constant for the reaction:
Fe2+(aq) + Co(s) Fe(s) + Co2+(aq)
Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. You may use the OWL references to find the values you may need in this question.
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Practice questions
Solve clearly on a paper showing steps clearly including all diagrams
Consider the truss shown below:
a) Develop the global structural stiffness matrix [K] considering that the axial stiffness of
both truss members is identical, i.e. (AE/L)1 = (AE/L)2= 100 kip/in.
b) Report the matrix equation you would use to solve for the displacements at the
unconstrained degrees of freedom.
c) Report the matrix equation you would use to solve for the unknown reactions.
Note that all members are axial members and deflections are small. You do not need to
solve the matrix equations for displacements or reactions.
LX
3
1
2
2
5
100 kip
50 kip
LED
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A rectangular footing 2.0 x 2.5 m in dimensions is
located at a depth of 1.0 m below the ground surfaces and it
is subjected to inclined load of 550 kN as shown in figure 2.
The groundwater level is 1 m below the ground surface.
Determine the gross allowable bearing capacity for a factor of
safety of 3 using general equations. Is foundation safe?
550 kN
N.GL
Y-16 kN/m²
1.0m
2.0 X 2.5 m
Yo 19kN/m²
c=15 kN/m²
25
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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