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Question of the day
Test yourself in 10 seconds
One question a day keeps exam stress away. Pick an answer to check it.
For walls, columns and vertical faces of all the structural members, the form work is generally removed after:
Answer: A. 24 to 48 hours
Vertical formwork (shuttering on the sides of walls, columns, and vertical faces of beams) carries no significant load once concrete begins to set. It only holds the fresh concrete in shape. Once the concrete stiffens (16-24 hours per current IS 456, or 24-48 hours per earlier SSC JE standard), this formwork can be safely stripped. Of the options given, (a) 24 to 48 hours is the closest correct answer.