(Solved): 1. A rectangular footing is \( 2 \mathrm{~m} \) by \( 3 \mathrm{~m} \) in plan as shown below. A f ...

1. A rectangular footing is \( 2 \mathrm{~m} \) by \( 3 \mathrm{~m} \) in plan as shown below. A factor of safety of \( 3.0 \) is required. Determine the allowable vertical concentric load ( \( \left.Q_{\text {all }}\right) \) the foundation could carry.