The formwork used in constructing site- cast reinforced- concrete walls and floors simultaneously consists of

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Sheet steel tunnel forms are commonly used in constructing site-cast reinforced-concrete walls and floors simultaneously. These forms serve as a mold to create the shape and size of the concrete structure. The tunnel forms consist of side walls, end walls, and a bottom surface that define the shape of the structure. Reinforcing steel is placed between the sides and held in place by spacers until the concrete is poured. Once the concrete has hardened, the forms are removed, and the structure remains. Insulating concrete forms, sheet steel gang forms, and horizontal and vertical plywood forms are used for other types of concrete constructions.

The Formwork Used in Constructing Site- Cast Reinforced- Concrete Walls