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Structural Design Part 1 – Advanced Topics on Reinforced Concrete Design
Project Description (50 marks)
You are required to design a 3-storey office building located in Melbourne.
The building has a flat plate floor system with no beam.

Details:
• Live load: 3.5 kPa
• Sustained dead load: 2 kPa
• No lateral load
• Exposure classification: Office building located in Melbourne
• Span length: 7.5 m x 7.5 m
• Floor height 3 m
• Allowable soil bearing capacity: 270 kPa
• Concrete strength, fc’= 30 MPa
• Use N bar only with 500 MPa
• Consider 90 minutes fire rating period
• Limit the total slab deflection to ?????/ = 1/250
Tasks:
1. Decide the concrete cover for slab, column and footing considering the exposure classification as per AS3600. (3 marks)
2. Design the flat plate slab and show the reinforcement detailing on a plan view and two cross-sections i.e. x- and y- directions. (15 marks)
(Hint: only three panels represent the whole slab: one corner, one edge and one interior)
3. Design the columns where the load is critical from the load combinations and show the reinforcement in cross section. (10 marks)
(Hint: only three columns represent all: one corner, one edge and one interior).
4. Carry out punching shear check and design additional shear reinforcement if necessary.
(10 marks)
(Hint: only three columns represent all: one corner column, one edge column and one interior column).
5. Design the footings and show the reinforcement detailing on plan view and 2 cross-sections i.e. x- and y- directions. (12 marks)
(Hint: only three footings represent all: one corner, one edge and one interior columns).
Note: For each concrete element, reinforcement detailing should be as per AS3600.

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