Answer Posted / saiprasad malandkar

Deshuttering time as per IS-456-2000


 IS 456-2000,clause-11.3.



Type of Formwork minimum period

a) Vertical formwork to columns, walls, beam 16-24 h

b) Soffitformwork to slabs (Props to berefixed immediately afterremoval of formwork) 3 days

c) Soffitformwork to beams (Propsto be refixed immediately afterremoval of formwork) 7 days

d) Propsto slabs: 1) Spanning up to 4.5 m 7 days
2) Spanning over4.Sm 14days

e) Props to beams and arches: 1) Spanning up to 6 m 14 days
2) Spanning over6 m 21 days

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