What is hollow slab and what is its use

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“Hollow Core Slab” or hollow core slab is a prefabricated reinforced concrete slab in which the entire thickness of the slab is not concreted.

In this type of slab, concrete resists compressive loads and steel resists tensile loads. Hollow concrete slabs are usually used in the construction of bridge decks, roofs of prefabricated multi-story buildings, and three-dimensional wall panels.

What is hollow slab and what is its use

Due to the low tensile strength of concrete and the use of steel to withstand tensile loads, the area under tension in solid concrete slabs will be practically useless. The concrete used in these areas only plays the role of filler. For this reason, in hollow slabs, using less materials, the same performance as solid slabs is obtained. Hollow concrete slab is produced as prestressed or non-prestressed.
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