Professional Development · Trades & Technical Skills · Mortar, Concrete and Binders
Fresh Concrete – Placing, Compacting and Curing
This topic addresses the practical operations that follow mixing: placing fresh concrete by direct pour, pump, or skip; compacting it by internal vibration to remove entrapped air; achieving the required surface finish; and applying appropriate curing to prevent premature moisture loss. Students will learn how to apply the relevant guidance from BS EN 13670, BS 8500, NHBC Standards, and industry best practice, including specific precautions for hot and cold weather concreting.
Inhaltsübersicht
- Placing Methods: Direct Pour, Pump and Skip
- Compaction: Internal Vibration, Layer Thickness and Stiff Mixes
- Surface Finishing: Float, Trowel and Brushed Textures
- Curing Methods: Polythene Sheet, Curing Compound and Water Spray
- Hot and Cold Weather Precautions
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- Rapid-setting Cements and Quick-set Mortars – Use and Safety
- Concrete Admixtures – Plasticisers, Retarders and Accelerators
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