Answer Posted / madhusudhanan vellore

What is the ring size of column 600x400 (8mm dia ring) ?
For column cover is 40 mm both sides
here
600-40-40=520
400-40-40=320
For hook (10 times the dia meter of the bar)
so for 8mm = (80mm)
Ring size = 520+520+320+320+80+80
= 1840 mm (1.84 m)

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