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ASGCO® Products for the Aggregate Industry

04/07/2016


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Aggregates are building materials used in construction, including sand, gravel, crushed stone, and recycled concrete. Aggregates are mined and either used in their raw form (for example, as foundations) or serve as composite materials in the production of concrete and asphalt. End markets for aggregates include private residential construction, commercial construction, and publicly-funded infrastructure projects, with the latter consuming the most aggregates, usually for use in highway and road construction.

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Aggregates are used as base materials in foundations, or as components in the
production of concrete and asphalt. The diagram to the left demonstrates how
aggregates are used in road construction; aggregates are clearly essential not
only as a foundation for the roadbed, but also go into the cement that makes the
road itself. When aggregates are used, they are an important part of the
construction process.

Quarries are obviously essential to aggregates producers’ business; without
quarries nand the reserves they provide, there is no source of raw materials.
Aggregates are usually shipped from quarries or production areas close to
their end market. This is because even a relatively small amount of aggregates,
in terms of value, can weigh several tons. Because most aggregates are transported
by truck, transport over 50 miles is thus cost-prohibitive and infeasible. However,
this can be circumvented to an extent by alternative modes of transport, specifically
by rail or by water. For those aggregates producers with proper facilities, rail
transportation provides a cheaper alternative to shipments by truck. Transport by
barge is even cheaper, but is only available to those producers with access to
coastal waterways.

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Aggregates are not just for construction, a vast array of other products, many
of which are taken for granted, are manufactured using materials derived
from quarrying. These include: paper, glass, cosmetics and toothpaste to name
but a few. Aggregates are also used in agriculture, food manufacture and water
& sewage purification.

Aggregates are not just for construction, a vast array of other products, many
of which are taken for granted, are manufactured using materials derived from
quarrying. These include: paper, glass, cosmetics and toothpaste to name but
a few. Aggregates are also used in agriculture, food manufacture and water &
sewage purification.