A square column foundation is to beconstructed on a sand deposit (C = 0). Theallowable load Q will be inclined at an anglebØ = 20° with the vertical. Knowing that y= 16.5 KN/ m3 and Df = 1 m. The standardPenetration numbers N60 obtained fromthe field are as follows. Determine value ofFqd ?Depth (m)W601.533.0164.56.0107.510B- 1.25 m-Select one:a. 1.162b. 11.62c. 1.231O d. 31.12

Standard penetration test is used to determine the angle of shearing resistance and relative…

A square column foundation is to be constructed on a sand deposit (C = 0). The allowable load Q will be inclined at an angle bØ = 20° with the vertical. Knowing that y = 16.5 KN/ m3 and Df = 1 m. The standard %3D Penetration numbers N60 obtained from the field are as follows. Determine value of Fqd ?

A square column foundation is to be constructed on a sand deposit (C = 0). The allowable load Q will be inclined at an angle bØ = 20° with the vertical. Knowing that y = 16.5 KN/ m3 and Df = 1 m. The standard %3D Penetration numbers N60 obtained from the field are as follows. Determine value of Fqd ?

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Shallow Foundations: Ultimate Bearing Capacity

Section: Chapter Questions

Problem 6.21P: Consider a continuous foundation of width B = 1.4 m on a sand deposit with c = 0, = 38, and = 17.5...

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A square column foundation is to be constructed on a sand deposit (C = 0). The allowable load Q will be inclined at an angle b Ø = 20° with the vertical. Knowing that y = 16.5 KN/ m3 and Df = 1 m. The standard Penetration numbers N60 obtained from the field are as follows. Determine value of Q ? Depth (m) N60 1.5 3 3.0 6 4.5 6.0 10 7.5 10 B- 1.25 m- Select one: a. 110 KN O b. 151.7 KN c. 95 KN d. 155.3 KN
A square column foundation is to be constructed on a sand deposit (C = 0). The allowable load Q will be inclined at an angle bØ = 20° with the vertical. Knowing that y = 16.5 KN/ m3 and Df = 1 m. The standard Penetration numbers N60 obtained from the field are as follows. Determine value of qu ? Depth (m) N60 1.5 3 3.0 4.5 6.0 10 7.5 10 B 1.25 m Select one: a 273 66 KN/ m²
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 approximate method. a. 51.46 kPa b. 32.10 kPa c. 76.54 kPa d. 50.56 kPa
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
Consider a continuous foundation of width B = 1.4 m on a sand deposit with c = 0, = 38, and = 17.5 kN/m3. The foundation is subjected to an eccentrically inclined load (see Figure 6.33). Given: load eccentricity e = 0.15 m, Df = 1 m, and load inclination = 18. Estimate the failure load Qu(ei) per unit length of the foundation a. for a partially compensated type of loading [Eq. (6.89)] b. for a reinforced type of loading [Eq. (6.90)]
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-m
A footing 2m square is located a depth of 4m in a stiff clay of saturated unit weight 21kN/m3. The undrained strenght of the clay at a depth of 4m is given by the 3 parameters c=120kN/m2 and φ=0o . For a factor of a safety of 3 with respect to shear failure ,What load could be carried by the footing.
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 , the effective length L =___, and of L. Determine the effective width B' = = 9max = - 400 kN 100 kN-m 2.2 m Rock
5A strip footing was constructed on a pure sand which is 1.5 m wide with its base at a depth of 1 m. Using Terzaghi's method, the ultimate bearing capacity of strip footing will be [Take Y₁ = 16 kN/m³, N = 75, Assume general shear failure] 1 (a) 1876 kN/m² (b) 1860 kN/m² (d) 1792 kN/m² (c) 1788 kN/m²
Q4: Use the rectangular loaded area to calculate the increase in vertical stresses at points (A) and (B) due to the loaded area of footing. Choose figure (1) or (2). 121 Top view Top view B J-2m- B CLAY 1 CLAY 1 CLAY 2 A 10 m X 10 m 9-150 kN/m² TTTTTT INCOMPRESSIBLE Figure (1) B G.W.T CLAY 1 CLAY 1 CLAY 2 YA' 10 m X 10 m 9-150 KN² INCOMPRESSIBLE Figure (2) Thm G.W.
Ex1: A footing is uniformly loaded with q = 100 kN/m² as shown in the figure. Compute the vertical stress increments under Points A, B, and C at z = 10 m. By 13.5 Footing 12m Use Vertical stress Increment under corner of rectangular footing 7 (Plane view) 6
A loaded footing ABCD with q = 200 kN/m2 on the ground is shown in Figure 8.19. Compute Ao, under Points E, F, B, and G at a depth of 5 m. 3 m 2 m q = 200 kN/m? 2 m A F В