Principles of Foundation Engineering, SI Edition
9th Edition
ISBN: 9781337672085
Author: Das, Braja M., SIVAKUGAN, Nagaratnam
Publisher: Cengage Learning
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Chapter 6, Problem 6.2P
A 5.0 ft wide square footing is placed at 3.0 ft depth within the ground where c′ = 200 lb/ft2, ф′ = 25°, and γ = 115.0 lb/ft3. Determine the ultimate bearing capacity of the footing using Terzaghi’s bearing capacity equation and the bearing capacity factors from Table 6.1. What is the maximum column load that can be allowed with a factor of safety of 3.0?
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3. A square footing that carries an axial load of
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table at a depth of 2.5m from the ground surface. Take
PDRY = 1860kg/m3 and PSAT = 1950kg/m3, c =
1600kg/m2, ø = 30degrees. Use the approximate
formulas for the determination of the bearing capacity
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a.Compute the required width of the footing using a
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b.Compute the ultimate bearing capacity of the soil.
c.Compute the net factor of safety.
d.Compute the net soil pressure.
Problem 2
A 5ft square footing is constructed 3ft below grade. Find the ultimate bearing capacity of the footing and
the maximum load that can be applied using Terzaghi's BC equation and the factors from Table 6.1.
Assume c' = 200psf, D' = 25°, y = 115pcf and a FOS of 3.0.
A rectangular footing has dimensions shown and is acted upon by a dead
load of 668.00 kN and a live load of 551.00 kN. The column dimension is
282x572 mm where the shorter dimension is parallel to B. The thickness of
the footing is 564mm. f'c=28 MPa and fy=420 MPa for diameter 20mm
bars.
A=3.3m and B=5.7m
Calculate the ratio of the Ultimate Shear Force to Shear Capacity in one-
way shear. Consider critical case only.
Answer is 0.6175 (Complete Solution)A
Chapter 6 Solutions
Principles of Foundation Engineering, SI Edition
Ch. 6 - For the following cases, determine the allowable...Ch. 6 - A 5.0 ft wide square footing is placed at 3.0 ft...Ch. 6 - Prob. 6.3PCh. 6 - Redo Problem 6.2 using the general bearing...Ch. 6 - The applied load on a shallow square foundation...Ch. 6 - A 2.0 m wide continuous foundation carries a wall...Ch. 6 - Determine the maximum column load that can be...Ch. 6 - A 2.0 m wide strip foundation is placed in sand at...Ch. 6 - A column foundation (Figure P6.9) is 3 m × 2 m in...Ch. 6 - For the design of a shallow foundation, given the...
Ch. 6 - An eccentrically loaded foundation is shown in...Ch. 6 - Prob. 6.12PCh. 6 - For an eccentrically loaded continuous foundation...Ch. 6 - A 2 m 3 m spread footing placed at a depth of 2 m...Ch. 6 - Prob. 6.15PCh. 6 - A tall cylindrical silo carrying flour is to be...Ch. 6 - A 2.0 m 2.0 m square pad footing will be placed...Ch. 6 - An eccentrically loaded continuous foundation is...Ch. 6 - A square foundation is shown in Figure P6.19. Use...Ch. 6 - The shallow foundation shown in Figure 6.25...Ch. 6 - Consider a continuous foundation of width B = 1.4...
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