What is the different between smooth form work and rough form work?
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What is the different between smooth form work and rough form work?
AdityaBhandakkar
In simple words, smooth formwork makes the surface of wall smooth, while the rough formwork leaves the concrete surface as roughly cast.
refer ACI 301- 96 for details about homework and their types.
In general, after removing the formwork the surface needs to be smoothed with the help of plastering or sandblasting. If the thickness is exceeded 10 mm then it is a type of rough formwork.
Hope you understood the concept.
Komal Bhandakkar
Formwork:
Definition :
A temporary structure used to support the fresh concrete to give a certain shape and size.
As per the new edition of the American Concrete Institute standard specifications for structural concrete (ACI 301-96 has to redefine smooth form finish.)
Difference between smooth work finished and rough work finish :
Kuldeep Singh
Formwork that leaves concrete with a smooth finish is smooth formwork, and that which leaves it with a rough finish is rough formwork.
When the formwork is removed, the concrete is never completely smooth and needs smoothening, sandblasting or grinding for proper smoothness. Instead, there appear a few figs on the surface. If the depth of a considerable number of figs exceeds 10mm, the concrete is said to have a rough finish strictly. When no figs exceed the 10mm depth, concrete can said to have a smooth finish though it may require additional smoothening.