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Reinforced concrete, also called ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility.
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BS 4482: Steel wire for the reinforcement of concrete products. Specification (2005) BS 4483: Steel fabric for the reinforcement of concrete. Specification (2005) BS 6744: Stainless steel bars for the reinforcement of and use in concrete. Requirements and test methods. (2001/2009) DIN 488-1: Reinforcing steels - Part 1: Grades, properties ...
The above CEB expression was intended to calculate crack spacings on the surface of the member. Crack spacings become larger as the distance from the reinforcement increases. For this case, it is suggested to use the maximum distance from the reinforcement, instead of cover distance c (Collins & Mitchell).
The reinforcement is directed in the x, y and z direction. The reinforcement ratio is defined in a cross-section of a reinforcing bar as the reinforcement area A r {\displaystyle A_{r}} over the total area A {\displaystyle A} , which is the brittle material area plus the reinforcement area.
GRC (Glass fibre-reinforced concrete) ceramic consists of high-strength, alkali-resistant glass fibre embedded in a concrete & ceramic matrix. [1] In this form, both fibres and matrix retain their physical and chemical identities, while offering a synergistic combination of properties that cannot be achieved with either of the components acting alone.
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