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Comparision with conventional techniques

Comparison of Aluminium Form construction Techniques over Conventional Forms:


In – Situ casting of whole structure and transverse walls done in a continuous operation,
using controlled concrete mixers obtained from central batching, mixing plants and mechanically
placed through concrete buckets using crane and compacted in leak proof moulds using high
frequency vibrators
Superior quality in
“system housing”
2.Speed of construction.The pace of construction is slow due to step – by – step completion of different stages of activity. The masonry is required to be laid brick by brick. Erection of formwork,
concreting and deshuttering forms is a two – week cycle. The plastering and other finishing activities can commence only thereafter.
In this system, the walls and floors are cast together in one continuous operation in matter of few hours and in built accelerated curing overnight enable removal and re-use of forms on daily cycle basis. System construction is much faster
3.Aesthetics.In the case of RCC Structural formwork of column and beams with partition brick walls is used for construction, the columns and beams show unsightly projections in room interiors The Room – Sized wall panels and the ceiling elements cast against steel plates have smooth finishing and the interiors have neat and clean lines without unsightly projections in various corners. The walls and ceiling also have smooth even surfaces, which only need colour/white wash
4.External finishestdCement plastered brickwork, painted with cement – based paint. Finishing needs painting in every three years. Textured / pattern coloured concrete facia can be provided. This will need no frequent repainting. Permanent facia finishes feasible with minor extra initial cost
5.Useful carpet area as % of plinth area.Efficiency around 83.5%. Efficiency around 87.5% More efficient utilization of land for useful living space.
6.Consumption of basic raw materials


Reinforcing steel

Reinforcing steel required is less as compared to the In – Situ construction as RCC framework uses brick wall as alternative.
Consumption somewhat more than that used in conventional structures.

It may, however will be slightly more than corresponding load – bearing brick wall construction for which, requirements of IS 456 have to be followed for system housing.
Although greater consumption, strength and durability is also more Steel requirement is more, as it is required for the shear wall construction. But shear wall construction
7.Maintenance In maintenance cost, the major expenditure is involved due to:

. Repairs and maintenance of plaster of walls / ceiling etc.

. Painting of outer and inner walls.

. Leakages due to plumbing and sanitation installation.

The walls and ceiling being smooth and high quality concrete, repairs for plastering and leakages are not at all required frequently.It can be concluded that maintenance cost is negligible.