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PREPARATION AND PLACEMENT OF CONCRETE FLOOR SLAB

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PREPARATION AND PLACEMENT OF CONCRETE FLOOR SLAB

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  1. PREPARATION AND PLACEMENT OF CONCRETE FLOOR SLAB Presented by:Concreters Sydney

  2. Formwork Preparation

  3. Excavate the Surface

  4. Organize Slab Bedding

  5. Pour Concrete and Compact • Before you pour the concrete, make sure the aggregate mix meets all the comprehensive strengths required to prevent excessive shrinkage. • Water in concrete increases shrinkage and cracking. It is therefore advised to use a plasticizer to achieve the desired slump. • Use a mix of concrete that has the specified strength and before concrete placement, soak the concrete slab with water. • This helps prevent moisture loss. • Pour the concrete and spread it over the slab area. • Adding control joints is necessary; this will prevent cracks from forming when the concrete dries up and shrinks. • Compact the slab properly for the concrete to bind and bound. Consolidate low slump using vibration.

  6. Cure The Concrete Slab Floor And Remove Formwork • Curing conditions can be very critical, once the concrete is set and can resist damage, that’s when curing starts taking place. • Do not delay and wait when the concrete has frozen and dried out and that’s when you remember to cure it. Always cure it as soon as it sets. • Moisture application helps the concrete to seal adequately. In case you notice the chances of it freezing you can cover using an insulator. • The formwork can be removed without causing any damage to the concrete slab.

  7. Conclusion • The recommended standard of concrete floor slab should be 4 inches for residential and five to six inches in case the concrete is going to carry heavy loads occasionally. • A good finish will make the slab look awesome for some time but a better ground preparation will look awesome for a lifetime. www.concreterssydney.net.au https://www.concreterssydney.net.au/preparation-and-placement-of-concrete-floor-slab/

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