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Racy Building Strategies - 18 |
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- Prefer steel shuttering for slab and beams. Avoid wooden forms. These absorb water from concrete and cracks appear in it at a later stage. Use steel shuttering plates. Check them to be free of holes, cracks, dents, rust and bends. Allow no gaps between shuttering plates. To check it, stand below the shuttering platform and see that no light passes through it. Gaps will allow valuable cement slurry to seep through them leaving the slab weak. Provide a little camber to the horizontal members supporting the shuttering plates. This camber counters the downward deflection when concrete is poured. A camber of 3 mm per metre is enough in slab and beams.
- For more tips, see the Hindustan Times of 16.9.06
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