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ENCN213-25S2 - Structural Design Studio
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b) What is the design moment, M*, that should be considered as part of the design of the posts? [kNm] [1 d.p]
Q12. If the ULS design wind pressure acting locally on the posts at the end wall shown in Figure 7 is W = 1.2kPa. The spacing of the posts is also shown in Figure 7 and note that the longest post can be seen to be 6.5m long.
a) What is the horozontal wind load, w, that should be considered as part of the design of the posts? [kN/m] [1 d.p]
Q11. Calculate the total (net) horizontal force in the N-S direction for checking the building serviceability using the combination of the windward and leeward loading on the walls. For simplicity, assume the horizontal forces on the roof and side walls are negligible. Also, assume that the wind direction multiplier (Md) is 1.0 and that the building is not sensitive to dynamic wind effects. For this example, also assume the factors Kl, and Kp to be equal to 1.0. [kN]] [1 d.p]
c) What is the pressure acting on the leeward wall? (+ve. for pressure acting towards the wall, -ve. for pressure acting away from the wall) [kPa] [2 d.p]
d) What is the total (net) horizontal force acting on the whole building? [kN] [1 d.p]
b) What is the pressure acting on the windward wall? (+ve. for pressure acting towards the wall, -ve. for pressure acting away from the wall) [kPa] [2 d.p]
Q10. Calculate the maximum total (net) horizontal force in the N-S direction for checking the building stability (ultimate limit state) using the combination of the windward and leeward loading on the walls. For simplicity, assume the horizontal forces on the roof and side walls are negligible. Also, assume that the wind direction multiplier (Md) is 1.0 and that the building is not sensitive to dynamic wind effects. For this example, also assume the factors Kl, and Kp to be equal to 1.0.
a) What is the design wind speed Vdes,θ? [m/s] [1 d.p]
Q9. What is the regional wind speed for SLS design checks? [m/s] [1 d.p]
Q8. What is the regional wind speed for ULS design checks? [m/s] [1 d.p]
Q7. Considering your answers to the various questions above, what is the combined uniformly distributed line load that should be used to design the pair of main beams for each of the following load combinations:
a) For SLS: Load case 1: G + ψsQ? [kN/m] [2 d.p]