Description: Concrete & Screed Supply in Northamptonshire, covers Kettering, Northampton, Wellingborough, Bedford, Corby, Milton Keynes, Peterborough, Rugby, Daventry
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For reinforced foundations, we recommend using RC20/25 (C20/25) S2 concrete. Concrete is a composite material that works well in compression, but not in tension. We can solve this problem by casting wet concrete around strong, steel reinforcing bars (tied together to make a cage). When the concrete sets and hardens around the bars, we get a new composite material, reinforced concrete, that works well in either tension or compression: the concrete resists squeezing, while the steel resists bending. .sg-popup
For resistant concrete, we recommend using RC25/30 (C25/30) S2 concrete. Particularly in underground construction, concrete structures are exposed to loads and wear & tear, which is a result of decade-long use. Concrete is characterised by its outstanding durability. Solutions containing sulphates, such as in natural or polluted groundwater, represent a considerable deteriorating impact on concrete. This can eventually lead to loss of strength, expansion, spalling of surface layers and ultimately to disinte