Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Question
Chapter 6, Problem 6.12P
To determine
Find the maximum allowable load using Prakash and Saran’s method.
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An eccentrically loaded foundation is shown in Figure P3.9. Use FS of 4 and
determine the maximum allowable load that the foundation can carry. Use
Meyerhof's effective area method and the bearing capacity, shape, and depth
factors given in Section 3.6.
Prob. 3): A square shallow foundation is shown below. If the load eccentricity is 0.3 m,
determine the maximúm allowable load that the foundation can carry. Use Mayerhof's
method, and FS as 4.
(Eccentricity
in one direction
only) e = 0.3 m
Qal
Y = 16.3 kN/m3
c' = 20 kN/m?
p'=28°
1.0 m
1.5 m X 1.5 m
Centerline
5.8
An eccentrically loaded foundation is shown in Figure P5.8.
Use FS of 4 and determine the maximum allowable load
that the foundation can carry. Use Meyerhof's effective area
method.
1.0 m
(Eccentricity in
one direction only)
e = 0.15 m
Call
1.5 m X 1.5 m
Centerline
Figure P 5.8
y = 17 kN/m³
c' = 0
o'= 36°
Chapter 6 Solutions
Principles of Foundation Engineering (MindTap Course List)
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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- 1. An eccentrically loaded foundation is shown. Use a factor of safety of 3 and determine the maximum allowable load the foundation can carry. Use Meyerhof's effective area method. (Eccentricity in one direction only) e = 0.15 m | Qall Y = 17 kN/m c = 0 '= 36° %3D 10 m 1.5 m X 1.5 m Centerlinearrow_forward3. A square foundation is constructed in a soil deposit as shown in the figure below. Assume that the groundwater table is 6 meters below the foundation. The applied load on the shallow allowable load. (Use general bearing capacity equation.) square foundation makes an angle of 10° with the vertical. Use FS 3 and determine the 2 m 6 m 4 m y = 17.5 kN/m³ 4' = 33° c' = 20 kN/m² Ysat = 20k N/m³ Groundwater tablearrow_forwardA square foundation is shown in Figure P6.19. Use FS = 6,and determine the size of the foundation. Use Prakash and Saran's method [Eq. (6.59)].arrow_forward
- An eccentrically loaded continuous foundation is shown in Figure P6.18. Determine the ultimate load Qu per unit length that the foundation can carry. Use the reduction factor method [Eq. (6.67)]. 4 ft 2 ft Figure P6.18 Qu 2 ft → -5 ft Y = 105 lb/ft³ Groundwater table Ysat 118 lb/ft³ c' = 0 $' = 35° =arrow_forward3. A square foundation is constructed in a soil deposit as shown in the figure below. Assume that the groundwater table is 6 meters below the foundation. The applied load on the shallow square foundation makes an angle of 10° with the vertical. Use FS = 3 and determine the allowable load. (Use general bearing capacity equation.) 6m 4 m y = 17.5 kN/m³ ' = 33° c' = 20 kN/m² Ysat = 20k N/m³ Groundwater tablearrow_forwardA rectangular foundation 2 meters long and 4 meters wide is located on the surface of a sloping ground with a slope of 15 degrees. The applied load is applied centrally at an angle of 75 degrees to the horizon in the center of the foundation surface. Determine the bearing capacity using the Hansen method Y = 19 kN/m³ %3D P = 38 °arrow_forward
- " (a) Qu 1 Qu 3 B (b) M M → X M Qu M (c) Figure 4.24 Analysis of foundation with two-way eccentricity 7 = 17kN/m³ friction angle = : 35⁰° , and cohesion c = 0 Qu (d) The shallow foundation is shown in Figure 4.24 measures 1.5 m X 2.25 m and is subjected to a centric load and a moment. If ев = = 0.12m e₁ eL = 0.36m and the depth of the foundation is 0.8 m, determine the allowable load the foundation can carry. Use a factor of safety of 4. For the soil, we are told that unit weightarrow_forwardA 2.0 m wide strip foundation is placed in sand at 1.0 m depth. The properties of the sand are: y = 19.5 kN/m³, c' = 0, and o' = 34°. Determine the maximum wall load that the foundation can carry, with a factor of safety of 3.0, using a. Terzaghi's original bearing capacity equation with his bearing capacity factors, and b. Meyerhof's general bearing capacity equation with shape, depth, and inclination factors from Table 6.3. 6.8 %3Darrow_forwardA strip foundation is design to carry 750 kN/m with width of footer 3m, assuming depth of foundation is 1.5m and the soil underlying the foundation is clayey sand. Take ? = 16kN/m3, c = 9.5 kPa and ϕ = 32o.Find the factor of safety against bearing capacity failure.arrow_forward
- 3. A square foundation is constructed in a soil deposit as shown in the figure below. Assume that the groundwater table is 6 meters below the foundation. The applied load on the shallow square foundation makes an angle of 10° with the vertical. Use FS = 3 and determine the allowable load. (Use general bearing capacity equation.) 2 m 6 m 4 m y = 17.5 kN/m³ p' = 33° c' = 20 kN/m² Ysat = 20k N/m³ Groundwater tablearrow_forwardA square foundation is shown in Figure P4.12. Use FS = 6, and determine the size of the foundation. Use Prakash and Saran theory [Eq. (4.55)].arrow_forwardProblem 3 An eccentrically loaded foundation is shown in Figure 3. Use factor of safety (FOS) of 4.0, determine the maximum allowable load that the foundation can carry. Use Meyerhof's effective area method. For o' = 32°, Ne = 35.49, Nq 23.18, N, 30.22. !! %3D (Eccentricity in one direction only) 0.1 m Qall y = 17 kN/m e' = 0 d' = 32° 0.8 m 1.5 m X 1.5 m Centerline Figure 3arrow_forward
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