Case Example 1: A roof slab 3.5 x 8 meters, 160 mm thick is resting on a 250 mm thick wall all around.
Concrete grade M20, Steel Fe415, Clear cover 15 mm.
Short span 10 mm steel bar @ 150 mm c/c, Long span 8 mm steel bar @ 260 mm c/c.
Add 1 kN/m^2 finish dead load, assume live load 4 kN/m^2. Analyze the design.
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