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Engineering
Civil Engineering
A trapezoidal combined footing 5.5 m long is to supporttwo 400 mm square columns 5 meters apart. The center ofthe columns are both 0.25m away from property lines. Theleft column carries 675 kN while the right column 825 kN.The allowable soil pressure is 126 kPa. Assume footing is0.5m thick with soil backfill 0.7m thick. Weight of concreteis 23.6 kN/m3 and of soil is 20.4 kN/m3. 1. Determine the required footing area.2. Find the width of the smaller end of the footing.3. Calculate the width of the larger end of the footing.Ans:15.01m2, 2m, 3.5m please show the solution. Answer is provided

A trapezoidal combined footing 5.5 m long is to supporttwo 400 mm square columns 5 meters apart. The center ofthe columns are both 0.25m away from property lines. Theleft column carries 675 kN while the right column 825 kN.The allowable soil pressure is 126 kPa. Assume footing is0.5m thick with soil backfill 0.7m thick. Weight of concreteis 23.6 kN/m3 and of soil is 20.4 kN/m3. 1. Determine the required footing area.2. Find the width of the smaller end of the footing.3. Calculate the width of the larger end of the footing.Ans:15.01m2, 2m, 3.5m please show the solution. Answer is provided

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter17: Settlement Of Shallow Foundations
Section: Chapter Questions
Problem 17.10P
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A trapezoidal combined footing 5.5 m long is to support
two 400 mm square columns 5 meters apart. The center of
the columns are both 0.25m away from property lines. The
left column carries 675 kN while the right column 825 kN.
The allowable soil pressure is 126 kPa. Assume footing is
0.5m thick with soil backfill 0.7m thick. Weight of concrete
is 23.6 kN/m3 and of soil is 20.4 kN/m3.

1. Determine the required footing area.
2. Find the width of the smaller end of the footing.
3. Calculate the width of the larger end of the footing.
Ans:15.01m2, 2m, 3.5m

please show the solution. Answer is provided

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