Define categories of scaling-underwater inspection of bridge, Civil Engineering

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Define the Categories of Scaling?

Scaling is classified into following three categories:

i. Light scale - loss of surface mortar up to 5 mm deep, with surface exposure of coarse aggregates.

ii. Medium scale - loss of surface mortar from 5 mm to 10 mm deep, with mortar loss between the coarse aggregates.

iii. Heavy scale - loss of surface mortar from 10 mm to 25 mm deep; coarse aggregates are clearly exposed.

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