Precast concrete is a form of concrete that is prepared, cast and cured off-site, usually in a controlled factory environment, using reusable molds. Precast concrete elements can be joined to other elements to form a complete structure. It is typically used for structural components such as; Concrete pedestal, drain, speed breaker, curbstone, road divider, double tree slab, sandwich Wall Panels, U-drain, and so on.
Structural steel frames can provide an alternative for pre-fabricated structural components, but precast concrete can be more economical and sometimes more practical. Many buildings now include a mixture of both construction techniques, sometimes incorporating structural steelwork, in-situ concrete and precast concrete elements.
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