2. Consider a rectangular footing 3.2 m x 4.5 m to be constructed in a uniform clayeysand to support allowable loads as shown in Figure Q2. Assuming general shearfailure would take place, determine the safety factor against bearing capacity failurewhen the ground water table is at 1.0 m above the ground surface. Comment on theobtained result. 1200 kN400 kNClayey SAND1.5 my = 17.5 kN/m3Ysat = 18 kN/m3c' = 30 kN/m?, o' = 28°4.5 mFigure Q2

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Answered: 1200 kN 400 kN Clayey SAND y = 17.5…

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1200 kN 400 kN Clayey SAND y = 17.5 kN/m³ 1.5 m Ysat = 18 kN/m³ %3D c' = 30 kN/m?, o' = 28° 4.5 m Figure Q2

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 16.13P: A square footing (B B) must carry a gross allowable load of 1160 kN. The base of the footing is to...

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Question

2. Consider a rectangular footing 3.2 m x 4.5 m to be constructed in a uniform clayey
sand to support allowable loads as shown in Figure Q2. Assuming general shear
failure would take place, determine the safety factor against bearing capacity failure
when the ground water table is at 1.0 m above the ground surface. Comment on the
obtained result.

1200 kN
400 kN
Clayey SAND
1.5 m
y = 17.5 kN/m3
Ysat = 18 kN/m3
c' = 30 kN/m?, o' = 28°
4.5 m
Figure Q2

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