Answer Posted / harshal.s.khode
Concrete formwork is the use of support structures and
moulds to create structures out of concrete which is poured
into the moulds.
There are many different types of formwork used in
construction, usually differing according to what the
building requirements and challenges are. Formwork is used
by creating moulds out of wood, steel, aluminium or
prefabricated forms into which the concrete is poured. This
is then allowed to harden and set after which it is
stripped, or in the case of stay-in-place formwork it is
left as part of the structure.
Formwork allows contractors to cast and construct the main
parts of a building which are required to be strong and
support the structure such as floors and walls, as well as
smaller parts of a building such as stairs relatively
quickly
Engineered formwork systems use prefabricated moulds made
from a metal frame, usually either steel or aluminum.
Engineered formwork is much cheaper and quicker to use than
traditional formwork. The frames are extremely strong and
rarely need replacing, reducing costs. Due to the formwork
systems being engineered, their construction is faster and
requires less manpower, again saving money. Simple
structures can be built with re-usable plastic formwork
systems (a type of engineered formwork), which consist of
strong, lightweight, interlocking systems.
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