Correct Answer - Option 1 : 2.42 m
2
Concept:
The area of footing (Af) is given by
\(\rm A_f = \rm\frac{{Total~ load}}{{{Safe ~bearing ~capacity}}}\)
Calculation:
Given:
Load = 330 kN, Self weight = 10% of Given Load = 0.1 × 330 = 33 kN
Total Load = 330 + 33 = 363 kN
Safe bearing capacity = 150 kN/m2
\(\rm A_f = \rm\frac{{Total~ load}}{{{Safe ~bearing ~capacity}}}\)
\(A_f = \frac{{363}}{{150}} = 2.42\;{m^2} \)