What's a Formwork?
When concrete is placed, it is in plastic state. It requires to be supported by temporary supports and castings of desired shape till it becomes sufficiently strong to support its own weight. This temporary casing is known as the formwork or forms or shuttering. The term moulds is sometimes used to indicate formwork of relatively small units such as lintels, cornices etc.
Definition - What is a Formwork?
“Forms or moulds or shutters are the receptacles in which concrete is placed, so that it will have desired shape or outline when hardened. Once concrete develops the adequate strength to support its own weight they can be taken out”. .. (ACC).
“Formwork is the term given to either temporary or permanent moulds into which concrete or similar materials are poured”. … (Wikipedia Encyclopedia)
Requirements of a Good Formwork