Ribbed Floors † these have greater span and load potential per
unit weight than flat slab construction. This benefits a considerable
reduction in dead load, to provide cost economies in other super-
structural elements and foundations. The regular pattern of voids
created with waffle moulds produces a honeycombed effect, which
may be left exposed in utility buildings such as car parks.
Elsewhere such as shopping malls, a suspended ceiling would be
appropriate. The trough finish is also suitable in various situations
and has the advantage of creating a continuous void for
accommodation of service cables and pipes. A suspended ceiling can
add to this space where air conditioning ducting is required, also
providing several options for finishing effect.Note: After removing the temporary support structure, moulds are
struck by flexing with a flat tool. A compressed air line is also
effective.In-situ RC Suspended Floors