Advantages and Disadvantages of Hollow Core Slab

Hollow core slab Advantages:

Hollow core ribbed slab not only reduces building costs it also reduces the overall weight of the structure.

Excellent fire resistance and sound insulation are other attributes of hollow core slab due to its thickness.

It eliminates the need to drill in slabs for electrical and plumbing units.

Easy to install and requires less labour.

Fast in construction

No additional formwork or any special construction machinery is required for reinforcing the hollow block masonry.

Hollowcore slab Disadvantages:

If not properly handled, the hollow core ribbed slab units may be damaged during transport.

It becomes difficult to produce satisfactory connections between the precast members.

It is necessary to arrange for special equipment for lifting and moving of the precast units.

Not economic for small spans.

Difficult to repair and strengthen.

3 Comments on “Advantages and Disadvantages of Hollow Core Slab”

  1. Another two advantages of using concrete hollow-core slabs is that it:
    1/ Uses around 30% less concrete, thereby creating a reduction in green-house gas emissions (concrete is responsible for 28% of CO2 emissions in 2019!)
    2/ By adopting the ‘TermoDeck’ patented system of HVAC in buildings it reduces a/c energy consumption by up to 55% , total electricity consumption by a minimum of 30% and provides the cleanest air-conditioned environment of any technology in the world!

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