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FAST-5J0Acad. year: 2021/2022
Classification and the types of concrete. Components of concrete: aggregates, water, cement, inert and active admixtures, accessories changing the hydration kinetics, plasticizing and areating accessories etc., structural steel. The composition of concrete, methods of calculation. Rheology of fresh concrete. Processing of fresh concrete, form systems and moulds. Compacting of fresh concrete mainly by vibration, other compacting methods. Hardening of concrete: hydration of cement, quick hardening of concrete, concreting in winter, treatment of concrete. The properties of concrete: porosity of the cement stone, coherence wirh steel, internal tension and deformation, permeability. Mechanical properties of concrete, influencing the concrete strength, deformation properties, water - tightness. The durability of concrete: frost resistance, chemical corrosion of concrete, corrosion of steel. Energetic demands for concrete production, quality control, recycling of concrete.
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