For the square footing shown, determine the gross allowable load per unit area (qai) that the footing can carry Using Terzaghi's general bearing-capacity factors. Assume general shear failure. Given: =110 lb/ft³, c'= 200 Ib/ft², q'=30°, D;=3 ft, B =4 ft, and F.S.=3. De qall Unit weight of soil = y c'

For the square footing shown, determine the gross allowable load per unit area (qai) that the footing can carry Using Terzaghi's general bearing-capacity factors. Assume general shear failure. Given: =110 lb/ft³, c'= 200 Ib/ft², q'=30°, D;=3 ft, B =4 ft, and F.S.=3. De qall Unit weight of soil = y c'

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter16: Soil Bearing Capacity For Shallow Foundations

Section: Chapter Questions

Problem 16.2P: Refer to Problem 16.1. If a square footing with dimension 2 m 2 m is used instead of the wall...

See similar textbooks

Similar questions

Refer to Problem 16.1. If a square footing with dimension 2 m 2 m is used instead of the wall footing, what would be the allowable bearing capacity? 16.1 A continuous footing is shown in Figure 16.17. Using Terzaghis bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing can carry. Assume general shear failure. Given: = 19 kN/m3, c = 31kN/m2, =28, Df = 1.5 m, B = 2 m, and factor of safety = 3.5. Figure 16.17
Redo Problem 16.1 with the following: = 115 lb/ft3, c = 1100 lb/ft2, =35, Df = 3.5 ft, B = 5 ft, and factor of safety = 4. 16.1 A continuous footing is shown in Figure 16.17. Using Terzaghis bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing can carry. Assume general shear failure. Given: = 19 kN/m3, c = 31kN/m2, =28, Df = 1.5 m, B = 2 m, and factor of safety = 3.5. Figure 16.17
If the water table in Problem 16.9 drops down to 0.25 m below the foundation level, what would be the change in the factor of safety for the same gross allowable load? 16.9 A square footing is shown in Figure 16.18. Determine the gross allowable load, Qall, that the footing can carry. Use Terzaghis equation for general shear failure (Fs = 4). Given: = 17 kN/m3, sat = 19.2 kN/m3, c = 32 kN/m3, =26, Df = 1 m, h = 0.5 m, and B = 1.5 m. Figure 16.18
A continuous footing is shown in Figure 16.17. Using Terzaghi’s bearing capacity factors, determine the gross allowable load per unit area (all ) that the footing can carry. Assume general shear failure. Given: γ = 19 kN/m3, c′ = 31kN/m2 , , Df = 1.5 m, B = 2 m, and factor of safety = 3.5.
Using Meyerhof's General Bearing Capacity Equation, calculate the Net Allowable Bearing Capacity of the footing shown with the following data: For SOIL, Cohesion, c = 19 kPa The angle of internal friction =23 Unit weight of moist soil, y = 19 kN/m3 Unit weight of submerged soil, ysub= 11 kN/m3 For footing, X=4.2m Y=3.5m Df=3.2m Use a Factor of Safety of 3 The load is inclined at an angle with the vertical Beta, B = 33 degrees Note: As much as possible round off only on the final answer.
A square footing is subjected to an inclined load as shown in the figure below. If the size of the footing ,B=2.25 m , determine the gross allowable inclined load , Q, that the footing can carry. Given:  = 120 andF.S = 3.5.
The square footing shown below must be designed to carry a 294 kN load. Use Nc = 57.8 ; Nq = 41.4 and N? = 41.1. a.) Using Terzaghi's capacity formula, determine the width B of the square footing with a factor of safety of 3.0
Q/ for the circular footing 5m diameter . find the thickness of footing if (factor of safety = 3) . salty sand . Ƴsaturated = 19 kN/m3 C = 10 kN/m2 ƴd = 15 kN/m3
A4-ft-wide long footing is located at the top of a slope whose inclination is 30°. The soil of the hill is sand with an assumed angle of internal friction of 30°. If the D/B ratio is 1 and the b/B ratio is also 1, what loading can be imposed on the footing per foot of length? Use a factor of safety of 3.
A square footing which carries an axial load of 13000 kg has its bottom resting on a ground water table at a depth of 2.5 m from the ground surface. Nc = 35, Nq = 22, Nγ = 19. Take PDRY = 1910 kg/m3 and PSAT = 1600 kg/m3, c = 1800 kg/m2.a. Compute the required width of the footing using a factor of safety of 2.b. Compute the ultimate bearing capacity of the soil.c. Compute the net factor of safety.
Redo Problem 16.1 with the following: = 16.5 kN/m3, cu = 41 kN/m3, =0, Df = 1.5 m, and factor of safety = 5. 16.1 A continuous footing is shown in Figure 16.17. Using Terzaghis bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing can carry. Assume general shear failure. Given: = 19 kN/m3, c = 31kN/m2, =28, Df = 1.5 m, B = 2 m, and factor of safety = 3.5. Figure 16.17
A 5.0 ft wide square footing is placed at 3.0 ft depth within the ground where c = 200 lb/ft2, = 25, and = 115.0 lb/ft3. Determine the ultimate bearing capacity of the footing using Terzaghis 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?