Instead of transporting concrete waste to landfills and paying a high price to dispose of concrete, contractors will recycle concrete from a demolition project. If you decide to use a portable crusher at your demolition site, consider using equipment that has these element separation systems. The process of concrete recycling is not a complicated science. Recycled concrete can also be used for paving stones, water features, retaining walls, rock walls, and underpass abutment structures. While gravel and river rock are commonly used as mulch, groundcover, and drainage in landscaping, crushed concrete can work just as well. Systems that have conveyors, jaws, and cones can provide complete processing of the concrete, from demolition to a usable material. Recycling is cheaper and more ecological than trucking rubble to a landfill. These pieces of a once massive concrete slab are then recycled in roadwork, erosion, and dust control projects. By doing so, you can eliminate the high cost of transporting concrete to landfills and paying for disposal (tipping costs). Vibrating feeder + iron remover + light material processor + concrete crusher + vibrating screen. Recycling of concrete is a relatively simple process. In general, applications without any processing include: 1. many types of general bulk fills 2. bank protection 3. base or fill for drainage structures 4. road construction 5. noise barriers and embankments Most of the unprocessed crushed concrete aggregate is sold as 1½ inches or 2 inches fraction for pavement subbases. Concrete waste is always mixed with metals, glass, wood, and other impurities, so iron remover (magnetic separator) is set in the concrete crushing process to remove the iron. It involves breaking, removing and crushing concrete from an existing pavement into a material with a specified size and quality. The example below may help. Most recycling projects require the operator to produce a sized or specified end product with gradations that need to be met. Concrete recycling is the use of rubble from demolished concrete structures. According to the American Concrete Pavement Association, recycling of concrete pavement is a relatively simple process. Factors to consider when choosing processing equipment include: Recycled concrete can be used in many of the same ways as you would use new materials, such as gravel, paving materials, and aggregates. There’s A Benefit to Repurposing Verses Removal of Excess Concrete Job requirements - 30" minus concrete on a demo site to be reduced to 1-1/2" minus base material. Thanks to developments in concrete recycling equipment, any type of concrete can be recycled, whether it be plain, mesh-and-dowel or continuously-reinforced concrete. Aggregate for mixing new concrete: Crushed concrete can replace some of the virgin (new) aggregate used in ready-mix concrete. Separate hydraulic stands will allow for a faster setup. Concrete recyclers will then haul concrete from a demolition site to a concrete recycling plant. large chunks are crushed into smaller ones. With the high performance components of the OS70GO! Often, it works best to set it up a portable crusher at a centralized location, near where the concrete is being demolished but where it will not hinder site traffic. • This webinar focuses primarily on RCA from existing pavements (not mixed C&D waste). Concrete recyclers will use industrial crushing equipment with jaws and impactors to crush the concrete. Permeable paving for walkways, driveways, and other outdoor hard surfaces: Broken concrete that is carefully laid creates a stable, porous traffic surface that rainwater can filter through. Crushed concrete can replace gravel as fill in wire gabions—cages that act as decorative and function retaining walls and privacy screen walls. Also, consider whether you want equipment with: Crushed concrete can then be reused as an aggregate in new concrete or in any structural layer. Recycling of waste concrete is done to reuse the concrete rubble as aggregates in concrete. An Introduction to Solid Waste Management, Textile and Garment Recycling Facts and Figures, An Introduction to Plastic Recycling and the Plastic Recycling Process. You can also save money by using recycled concrete instead of new aggregates in many construction and landscaping projects. The process can remove steel to reduce hand labour. 1. Large pieces of old concrete can help control erosion along vulnerable gullies and streambanks. Recycling concrete results in significant cost savings, while also reducing the environmental footprint of concrete waste and production. - Since the Concrete Recycling Plant can be installed next to concrete batching plants, the cost of transporting the residual concrete to another site is completely eliminated. Necessity of Concrete Recycling: But more often than not, recycled concrete is used as an aggregate for sub-base layers of pavement. Crushed rubble can be used for road gravel, revetments, retaining walls, landscaping gravel, or raw material for new concrete. There's More Than One Way to Demolish a Building, The Basics of Clothing and Textile Recycling. Since it usually involves crushing concrete that was previously made, you will end up saving on material costs without having to compromise on quality. However, when it comes to the need to dispose of concrete waste from your work site, concrete recycling in Baltimore can make the daunting removal process much more efficient. Additional processes and equipment, such as water flotation, separators, and magnets, may also be used to remove specific elements from the crushed concrete. Other equipment and processes may also be involved to remove contaminants and elements, such as steel reinforcement fibers, clay, wood, dirt, plastic, and organic materials. This technique reduces the amount of runoff water that must be managed by storm sewer systems and helps to replenish groundwater. Figure 5: Flowchart of recycling process 2.3 Applications of RAC 1) Smaller pieces of concrete are used as gravel for new construction projects. Concrete and demolition recycling, on the other hand, is a cost-effective way to dispose of construction debris. The material is cleaned of unwanted material such as bricks, wood, steel, ceramics, and glass. oversize grain separator and the TS3600 high performance screen, waste material. Our manufacturing process is precise and direct so that you can rest assured that you’re getting the best materials for your money. Information film about the SmartCrusher More information can be found on http://www.smartcrushers.com. 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