Question
Download Solution PDFAs per IS 3495 part-3 (1992), soluble salts, if present in bricks, will cause efflorescence on the surface of bricks. If the white deposits cover about 10% of the surface, the efflorescence is said to be ________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe degree of efflorescence is given as:
(a) NIL – When there is no perceptible deposit of efflorescence.
(b) SLIGHT- Not more than 10% area of the brick covered with a thin deposit of salt.
(c) MODERATE- Covering up to 50% area of the brick.
(d) HEAVY- Covering 50% or more but unaccompanied by powdering or flacking of the brick surface.
(e) SERIOUS- When there is a heavy deposit of salts accompanied by powdering and/or flacking of the exposed surfaces.Last updated on May 28, 2025
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