Permanent formwork

Permanent formwork

The formwork that is not struck, but is left permanently in position after the concrete has been cast.

permanent formwork, permanent shuttering

A type of formwork that remains in place after the concrete work has set.
References in periodicals archive ?
The waterproofing of the southern basin will be done through walls of reinforced concrete structure to be built on the back of prefabricated coating predalles arranged as permanent formwork for casting containment.
this wall should be treated as permanent formwork for concrete implementation of the side walls of the bowl.
The pile wall serves as permanent formwork for concreting of exterior basement walls.