Aggregates
are products used as inputs in concrete articles
manufacturing such as blocks, posts and paving-stones,
amongst other. The types used are: grit 01, grit
02, grit 0, sand, grain and mixed gravel.
It is used also in substrate manufacturing for
railroad tracks and highways paving, where it
must be used as grit 3, mixed grit, pebbles and
cobbles for gabion.
Other uses are telephone transmission lines wrapping
and of course between the railway tracks.
At Votorantim Group, aggregate manufacturing
is carried out through different systems, aiming
at the optimum exploitation of quarries under
development.
Currently, the methods used and plants
involved are:
- Independent plants: Araçariguama, Itapiserra
Mineração Itapecerica da Serra
and Itapiserra Mineração Mogi
das Cruzes, operate exclusively with aggregate
manufacturing.
- Sterile or impure limestone utilization: Salto
de Pirapora and Tocantins Plants, which were
originally cement plants.
- Limestone without specific particle sizing
utilization: Itapeva Plant and Cipasa, were
originally limestone and cement plants.
- Other opportunities: Rio Branco do Sul Plant.
Products list:
|
NAMES |
DIMENSIONS |
| Grit 01 |
from 4.75 to 25mm |
| Grit 02 |
from 9.5 to 31.5mm |
| Grit 03 |
from 19 to 50mm |
| Grit 0 |
from 2.36 to 12.5mm |
| Mixed gravel |
< 12.5mm |
| Grain |
<
6mm |
| Pebbles |
< 31.5mm ou <50mm |
| Grit 1/2" |
from 9 to 3mm |
| Graded Grit |
according to client
specification |
| Cobbles for gabion |
|
| Grit sand Type II |
per NBR standards |
| Grit sand Type I |
per NBR standards |
| Medium natural sand |
per NBR standards |
|
|