A 20-meter-high square-plan five-storey building with flat roof and 4m-high floors, located in Makati CBD, has sides of 10 meters length each, and a large open front door on the first floor that is 2m x 2m in dimension. Assuming that G = 0.85 and that torsion is negligible,
- Show how this maybe is an open, partially enclosed, or enclosed building.
- Determine the internal pressure coefficients.
- Determine the external pressure coefficients for the design of main girders and shear walls.
- Determine the base reactions due to along-wind loads acting on the front wall of the building.