(Solved):     please help with the questions QUESTION 1 The sign board shown in Figure 1 below ...

 

 

please help with the questions

QUESTION 1 The sign board shown in Figure 1 below is erected on Durban's beachfront with a mean sea level of \( 4 \mathrm{~m} \). The sign is required to withstand a wind force with a mean return period of 25 years. 1.1. Calculate the wind velocity pressure. 1.2. Determine the maximum moment that each post can withstand without failure. (lgnore self-weight of the signboard). Fryule t. syma vuare. [20 Marks] QUESTION 2 A channel section \( \mathrm{C} 127 \times 64 \) shown in Figure 2 below is connected to a gusset plate with a \( 6 \mathrm{~mm} \) weld. If the ultimate force in the member is \( 250 \mathrm{kN} \), use E70XX weld and S355JR steel to check the adequacy of the section. [20 Marks]