Information Technology Questions
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Reinforced concrete (RC), also called reinforced cement concrete (RCC), 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.
Steel fiber is a metal reinforcement. Steel fiber for reinforcing concrete is defined as short, discrete lengths of steel fibers with an aspect ratio (ratio of length to diameter) from about 20 to 100, with different cross sections, and that are sufficiently small to be randomly dispersed in an unhardened concrete mixture using the usual mixing procedures.
Self-consolidating concrete or self-compacting concrete (SCC) is a concrete mix, which has a low yield stress, high deformability, good segregation resistance (prevents separation of particles in the mix), and moderate viscosity (necessary to ensure uniform suspension of solid particles during transportation, placement, without external compaction, and thereafter until the concrete sets).
Plain cement concrete (PCC) is the mixture of cement, fine aggregate(sand), and coarse aggregate without steel. PCC is an important component of a building which is laid on the soil surface to avoid direct contact of reinforcement of concrete with soil and water.
In cold weather, the temperature of the concrete can be controlled by providing appropriate curing conditions to maintain insulation and strength gain, such as the use of heating systems.