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Use the span-to-depth ratio rule of thumb:
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Simply supported beam → L/d = 20
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Continuous beam → L/d = 26
So for a 4 m span, required effective depth ≈ 4000 / 20 = 200 mm. Then adjust based on code deflection checks if needed.
-
Use the span-to-depth ratio rule of thumb:
Simply supported beam → L/d = 20
Continuous beam → L/d = 26
So for a 4 m span, required effective depth ≈ 4000 / 20 = 200 mm. Then adjust based on code deflection checks if needed.
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