Question
Download Solution PDFIn normal circumstances, formwork of slabs may be removed (Props left under) after expiry of -
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
As per IS 456 2000, minimum period before striking formwork for various components are as follows-
| Type of Formwork | Minimum Period Before Striking Formwork |
| Vertical formwork to columns, walls, beams |
16-24 h |
| Soffit formwork to slabs (Props to be re-fixed immediately after removal of formwork) |
3 days |
| Soffit formwork to beams (Props to be re-fixed immediately after removal of formwork) |
7 days |
| Props to slabs:1) Spanning up to 4.5 m 2) Spanning over 4.5 m |
7 days 14 days |
| Props to beams and arches: 1) Spanning up to 6 m 2) Spanning over 6 m |
14 days 21 days |
Last updated on Mar 26, 2025
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