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A balcony on a mixed office and residential use building in a sheltered area that is attached at roof level and supported by three
A balcony on a mixed office and residential use building in a sheltered area that is attached at roof level and supported by three cantilever beams, is shown below. The entire roof is flat. ELEVATION assumed to act as a rigid connection 10' A LIA Terrazzo floor Concrete (stone) Reinforced Slab (1.5 directly on slab) 8' SECTION A-A W24x62 9' I 5" a. Dead Load Calculate the dead load (plf) that the center balcony beam must support. b. Snow Load: Calculate the uniformly distributed snow load (plf) supported by the center balcony beam, if the ground snow load is 30 psf. c. Maximum Internal Load Effect: Draw a complete FBD (free body diagram) and corresponding V and M diagrams for the center balcony beam, and report (calculate) the maximum moment and maximum shear that the beam must be designed to support given the information above. d. Maximum Deflection: Using the appropriate equation from a beam table, determine the expected displacement of the free end of the beam for dead load alone, and for the case of dead + snow loads. e. Critical Review Explain why you selected the value of the load you used for the flooring, and the implications of your decision.
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