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Glass and crused concrete from previous applications. Must first be prepared for use in new concrete applications . The materials are usually placed in a rock crusher device set to a specific crush size to produce the correct sized filler for the concrete .It is then run through an aggregate washer to remove any debris,dirt,or impurities that may hamper the materials ability to adhere to the other concrete components. After carful screening the the recycled concrete materials are ready to be added to the concrete mixture for use.
The two most common forms of recycled aggregate used in concrete are glass and crushed concrete from previous applications. While other materials such as fiberglass and granulated coal ash have been experimented with, these two products seem to be the most effective recycled material for use in concrete. Some of the criteria that must be met are the recycled aggregate's ability to provide strength and durability to the finished concrete product as well as offer comparative workability to those mixtures that do not contain any recycled materials. Crushed glass and previously used concrete are also used for their superior hardness properties, in addition to their resistance to absorbing chemicals and compounds commonly found in other materials such as clay and limestone.
1.Instead of using regular aggregate now a days the E-waste(ELECTRONIC ) which is broken in uniform sizes and used in the concrete.
2. Glass are also now a days used commonly in concrete.
3.The debris which is also used in concrete as aaggregate.
