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 6.14P
A 2 m × 3 m spread footing placed at a depth of 2 m carries a vertical load of 3000 kN and a moment of 300 kN · m, as shown in Figure P6.14. Determine the factor of safety using Meyerhof’s effective area method.
Figure P6.14
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6.14 A 2 mx 3 m spread footing placed at a depth of
2 m carries a vertical load of 3000 kN and a moment of
300 kN m, as shown in Figure P6.14. Determine the factor
of safety using Meyerhof's effective area method.
Clayey sand
y = 18.5 kN/m³
c' = 5.0 kN/m²
$' = 32°
FIGURE P6.14
3000 KN
2 m
300 kN.m
2 m
A 6 m x 9 m rectangular footing xarrying a uniform of 288 kPa is applied to the ground surface.. Compute the total vertical stress in Kpa due to the uniform load at a depth at a depth of 6 m below the center of the loaded area if unit weight of soil is 18.30 kN/m^3. use the influence coefficient method.
a.
232.49
b.
714
c.
144.8
d.
60
A square footing 3 m x 3 m is supporting an axial load of 650 kN. The weight of the soil is aasumed to be 17.32 kN/m^3. Compute the vertical stress increment due to this load at a depth of 1.5 m below the center of the footing using the influence coefficients method for points under uniformly loaded rectangular areas.
a.
51.46 kPa
b.
76.54 kPa
c.
32.10 kPa
d.
50.56 kPa
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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- b) As shown in the figure below, a rectangular footing (B x L = 2m x 2.2m) is subjected to a vertical load (400 kN) and moment (100 kN-m). The eccentricity is in the direction of L. Determine the effective width B' = 9max = , and 400 kN 2.2 m Rock 1 the effective length L' 100 kN-marrow_forwardA square footing 3 m x 3 m is supporting an axial load of 650 kN. The weight of the soil is aasumed to be 17.32 kN/m^3. Compute the total vertical stress increment due to the loads at a depth of 1.5 m below the center of the footing using the influence coefficients method for points under uniformly loaded rectangular areas. a. 50.56 kPa b. 76.54 kPa c. 32.10 kPa d. 51.46 kPaarrow_forwardA rectangular footing is constructed on saturated sand. This footing is placed under 1000 KN column load and 500 KN.m moment as shown in the image. Find the eccentricity in both directions and calculate the equivalent footing size. 3.0 M=500 KN.m 0.50 2.5 P1=1000 KN 0.50arrow_forward
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- Problem 2: A rectangular foundation of 4m × 6m (as shown in Figure P2) transmits a stress of 150 kPa on the surface of a soil deposit. Plot the distribution of induced vertical stresses with depth under points A (the centre of the rectangle), B and C up to a depth of 20 m. 6m 4m A Figure P2 B 2m с 2marrow_forwardA rectangular footing 2 m x 3 m carries a column load of 600 kN a at depth of 1 m. The footing rests on a c-O soil strata 6 m thick, having Poisson's ratio of 0.25 and Young's modulus of elasticity as 20000 kN/m2. The immediate elastic settlement of the footing occurs as soon as the load is applied. The depth of the footing after immediate settlement from original ground level will be. (Take I, = 1.06) mm.arrow_forwardA square footing 3 m x 3 m is supporting an axial load of 650 kN. The weight of the soil is aasumed to be 17.32 kN/m^3. Compute the vertical stress increment due to this load at a depth of 1.5 m below the center of the footing using the approximate method. a. 51.46 kPa b. 32.10 kPa c. 76.54 kPa d. 50.56 kPaarrow_forward
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