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  2. Concrete recycling - Wikipedia

    en.wikipedia.org/wiki/Concrete_recycling

    Ecology blocks (eco-blocks) are made from recycled concrete and used for retaining walls and other temporary structures, and have also been used for hostile architecture. [18] Small pieces are used as gravel for new construction projects. Sub-base gravel is laid as the lowest layer in a road, with fresh concrete or asphalt poured over it. [19]

  3. Ecology block - Wikipedia

    en.wikipedia.org/wiki/Ecology_block

    Ecology block with rebar loop on top for use with heavy equipment. An ecology block, also known as an eco-block or ecoblock, is a type of recycled concrete block used to make retaining walls. Ecology blocks are manufactured using concrete left over from other construction processes.

  4. 5 common recyclable materials for greener building - AOL

    www.aol.com/news/5-common-recyclable-materials...

    Concrete. Most recycled concrete—301.2 million tons in 2018, per the EPA—gets reused as aggregate. This can then get made into new concrete or be used as fill or base material in building ...

  5. Recycling by product - Wikipedia

    en.wikipedia.org/wiki/Recycling_by_product

    Concrete aggregate collected from demolition sites is put through a crushing machine, often along with asphalt, bricks, dirt, and rocks. Smaller pieces of concrete are used as gravel for new construction projects. Crushed recycled concrete can also be used as the dry aggregate for new concrete if it is free of contaminants.

  6. Environmental impact of concrete - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Recycled crushed concrete being loaded into a semi-dump truck to be used as granular fill Concrete recycling is an increasingly common method of disposing of concrete structures. Concrete debris was once routinely shipped to landfills for disposal, but recycling is increasing due to improved environmental awareness, governmental laws and ...

  7. Recycling by material - Wikipedia

    en.wikipedia.org/wiki/Recycling_by_material

    Crushing concrete from an airfield Concrete recycling is the use of rubble from demolished concrete structures. Recycling is cheaper and more ecological than trucking rubble to a landfill. [3] Crushed rubble can be used for road gravel, revetments, retaining walls, landscaping gravel, or raw material for new concrete. Large pieces can be used ...

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