Crushed concrete, also known as recycled concrete aggregate (RCA), is a viable option for use in a variety of construction applications. This material is made by grinding up concrete structures, which have been demolished or renovated, and then processing the resulting rubble into a usable form. The use of crushed concrete has become more popular in recent years due to the increasing cost of virgin materials, as well as the environmental benefits of using a recycled product.

One of the most common uses for crushed concrete is as a subbase for roads, highways, and other paved surfaces. This material is used as a base layer, upon which asphalt or concrete can be laid. Crushed concrete is a durable and stable material, which makes it suitable for use in this application. It is also relatively inexpensive, which makes it an appealing option for many construction projects.

Another common use for crushed concrete is as a fill material. This material is often used to fill in low-lying areas or to level out a surface prior to the construction of a new building or road. In these cases, crushed concrete can be used as a substitute for traditional fill materials, such as dirt or gravel.

Crushed concrete can also be used as a landscaping material. This material can be used to create pathways, retaining walls, and other decorative features in gardens and other outdoor spaces. Crushed concrete can be used in place of traditional mulch or stone, and it is often more affordable and easier to work with than these materials.

Finally, crushed concrete can be used as an aggregate in the production of new concrete. This material is often used as a substitute for traditional aggregates, such as gravel or sand, in the production of new concrete mixes. The use of crushed concrete as an aggregate can help to reduce the overall cost of the concrete, as well as reduce the environmental impact of the production process.

In conclusion, crushed concrete has a number of useful applications in the construction industry. It can be used as a subbase, fill material, landscaping material, and aggregate, and it offers a number of environmental and economic benefits. If you are considering using crushed concrete in a construction project, it is worth doing some research to determine if it is the right choice for your needs.

(Source: https://www.thespruce.com/uses-for-recycled-concrete-2892713)