How to Use Crushed recycled glass in Construction

Written by david barnes
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The use of crushed glass in construction projects is gaining in popularity. Thousands of tons of glass bottles and jars enter landfills each day. Recycling this glass is an excellent way to reduce waste, lower construction costs and help the environment. Crushing the glass removes sharp edges, so there is no more danger to workers handling it than there is with sand or gravel. Here are some ways to use crushed glass in construction projects.

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  1. 1

    Substitute crushed glass for sand in blasting car parts, stainless steel, wood, fibreglass and plastics. Traditionally, sandblasting is a method of removing rust, paint and other contaminants. Replacing the sand with finely crushed glass works just as well, and the glass is usually softer than sand particles, so there is less chance of damaging the items you're cleaning.

  2. 2

    Use crushed glass as a base in road construction. The glass packs as well as sand does to form a sold base for the road.

  3. 3

    Mix crushed glass with asphalt to produce a long wearing road surface. The crushed glass adds strength to the asphalt mix and reduces the cost of road construction.

  4. 4

    Filter waste water through crushed glass instead of granulated soil to improve filtration. The crushed glass allows the water to pass through while trapping solid contaminants. It is a superior filtering agent for this purpose.

  5. 5

    Add crushed glass to concrete as a replacement for sand and small gravel. Crushed glass is lighter than the sand and gravel, so the concrete weighs less per square foot, and is just as strong. The substitution of glass also reduces the need for scarring the landscape with more sand and gravel pits.

  6. 6

    Backfill sewer, gas and water pipe trenches with crushed glass. The glass fills the voids around the pipes, supporting them and protecting them from damage. It compacts less densely than sand or dirt, and gives equal or better protection to the pipes.

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