Question
Asked Oct 12, 2019
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3-11) A squarefoundlation mat supports thc four
Columns shown. Determine the magnitudt ond point
of application of the resultant of the four loads
Y
goleh
12KN
A
20KN
PKN
Com
Sm
Sm
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3-11) A squarefoundlation mat supports thc four Columns shown. Determine the magnitudt ond point of application of the resultant of the four loads Y goleh 12KN A 20KN PKN Com Sm Sm

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Expert Answer

Step 1

All loads acting is vertical so the resultant of the loads will also be vertical.

Assume the resultant of load is R and (x,z) is point where the resultant of loads is acting.

Step 2

Consider the equilibrium of vertical forces.

R=Σ.
R -90 kN -12 kN-8 kN -20 KN
=-130 kN
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R=Σ. R -90 kN -12 kN-8 kN -20 KN =-130 kN

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Step 3

The sum of moment about x-axis should be same for ...

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