1. Refer to the rectangular combined footing in the figure below, with Q₁ = 500 kN and Q2 = 750 kN. The distance between the two column loads, L3 = 4.5 m. The proximity of the property line at the left edge requires that L₂ = 1 m. The net allowable soil pressure is 120 kN/m². Determine the breadth and length of a rectangular combined footing. Property- line X Q1 + Q₂ L3 Section B⚫ qall(net)/unit length L B Plan

1. Refer to the rectangular combined footing in the figure below, with Q₁ = 500 kN and Q2 = 750 kN. The distance between the two column loads, L3 = 4.5 m. The proximity of the property line at the left edge requires that L₂ = 1 m. The net allowable soil pressure is 120 kN/m². Determine the breadth and length of a rectangular combined footing. Property- line X Q1 + Q₂ L3 Section B⚫ qall(net)/unit length L B Plan

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Mat Foundations

Section: Chapter Questions

Problem 10.1P: Refer to the rectangular combined footing in Figure 10.1, with Q1 = 100 kip and Q2 = 150 kip. The...

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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.
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, cu = 60 kN/m2 (=0 condition). Determine the maximum possible value for Q, considering short-term and long-term stability of the footing.
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A square footing (B B) must carry a gross allowable load of 1160 kN. The base of the footing is to be located at a depth of 2 m below the ground surface. If the required factor of safety is 4.5, determine the size of the footing. Use Terzaghis bearing capacity factors and assume general shear failure of soil. Given: = 17 kN/m3, c = 48 kN/m2, =31.
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