Glass Aggregate Systems

Cost-Effective Solutions for Recycling Glass Aggregate

As taken from Waste Disposal & Water Management - June/July 2009 Issue

With an ever-increasing emphasis being placed on reducing the environmental impact of construction - both through the - replacement of virgin raw materials with reclaimed recycled materials, and by reducing CO2 equivalent emissions created during the manufacturing and construction phases - governments and private sector companies alike are consistently looking for ways to reduce the environmental impact of their operations. This is particularly true throughout the concrete construction and road infrastructure sectors, all of which traditionally utilize significant amounts of raw materials.

With that in mind, one area that is generating significant interest throughout these industry sectors is the use of recycled glass aggregate in concrete, concrete products, asphalt pavements, road base and sub-base preparation.

Utilizing recycled glass aggregate in place of a percentage of the traditional raw materials in concrete, asphalt and road base material is far from new. In fact, 'Glassphalt' (asphalt pavement incorporating a percentage of recycled glass aggregate) was first introduced into several international markets in the late 1960s. The same goes for concrete containing recycled glass aggregate, which has been used successfully for over a decade – albeit to a lesser extent than the asphalt mixes.

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