A precast structure is a building element or structure that is manufactured in a factory or a precast plant and then transported to the construction site for installation. It is made of precast concrete, which is a type of concrete that is molded, cured, and hardened before being transported to the construction site. Precast structures are used in different types of construction projects, including bridges, buildings, tunnels, parking garages, walls, and other infrastructure projects. They are used when there is a need for an efficient and cost-effective way to create standard or custom building elements that require high strength, durability, and resistance to weather, fire, and seismic forces. Precast structures are also used when there are space constraints, tight schedules, or when traditional on-site construction would be too disruptive to existing operations or the environment.
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