A square footing shown has the following details: Unit weight of soil = 15.28 kN/m3 Saturated unit weight of soil = 19.92 kN/m3 cohesion = 21.44 kPa %3D friction angle = 24 degrees %3D B = 2 meter Df = 2.45 meter P = 861 kN e/B = 0.12 --> one way eccentricity Calculate for the net allowable bearing capacity using FOS = 2.8. Use Meyerhof Ge Bearing Capacity Formula. M D, B B Water table

A square footing shown has the following details: Unit weight of soil = 15.28 kN/m3 Saturated unit weight of soil = 19.92 kN/m3 cohesion = 21.44 kPa %3D friction angle = 24 degrees %3D B = 2 meter Df = 2.45 meter P = 861 kN e/B = 0.12 --> one way eccentricity Calculate for the net allowable bearing capacity using FOS = 2.8. Use Meyerhof Ge Bearing Capacity Formula. M D, B B Water table

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 6.14P: A 2 m 3 m spread footing placed at a depth of 2 m carries a vertical load of 3000 kN and a moment...

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A square footing 2.5 m X 2.5 m is built on a homogeneous bed of sand of density 19 kN/m3having an angle of shearing resistance of 36o. The depth of foundation is 1.5 m below the ground surface. Calculate the safe load that can be applied on the footing with a factor of safety of 3. Take bearing capacity factors as Nc= 27, Nq = 30, Nγ = 35
Refer to the rectangular combined footing in Figure 10.1, with Q1 = 100 kip and Q2 = 150 kip. The distance between the two column loads L3 = 13.5 ft. The proximity of the property line at the left edge requires that L2 = 3.0 ft. The net allowable soil pressure is 2500 lb/ft2. Determine the breadth and length of a rectangular combined footing.
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A 2.0 m 2.0 m square pad footing will be placed in a normally consolidated clay soil to carry a column load Q. The depth of the footing is 1.0 m. The soil parameters are: c = 0, = 26, = 19 kN/m3, and cu = 60 kN/m2. Determine the maximum possible value for Q, considering short-term and long-term stability of the footing.
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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
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
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A column is to be supported by a square footing, 2.00 m on a side, on a founding depth of 1.00 m into a cohesionless soil deposit. The unit weight of the soil is 16 kN/m³ and the angle of internal friction of 25 deg. Nq= 12.7 Ny= 8.34 Evaluate the contribution of the depth of embedment to the ultimate bearing capacity of the soil, in kPa. 2 Evaluate the contrbution of the footing dimension to the ultimate bearing capacity of the soil, in kPa. 3 Evaluate the concentric load, in kN, that the footing can safely support, using a factor of safety of 3.0 against bearing capacity failure.
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A square footing 2.5 m X 2.5 m is built on a homogeneous bed of sand of density 19 kN/m3 having an angle of shearing resistance of 36o . The depth of foundation is 1.5 m below the ground surface. Calculate the safe load that can be applied on the footing with a factor of safety of 3.
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