Newly Released ASTM Standard Supports Concrete Recycling

02/06/2017 |

The new standard aims to help manufacturing plants recycle returned fresh concrete, supporting growth in sustainable construction practices and best practices in project management

A newly released standard from ASTM International aims to help manufacturing plants recycle returned fresh concrete, supporting growth in sustainable construction practices and best practices in project management. The new standard, developed by ASTM’s Committee C09 on Concrete and Concrete Aggregates, covers process, verification, and record-keeping procedures for such recycling.

"Quite simply, this standard recognizes unused concrete in a fresh state as a potential ingredient for a new concrete batch. In other words, recycled fresh concrete can be treated as a raw-material component just like water, aggregates, and cement," says ASTM member Rich Szecsy, President, Texas Aggregates and Concrete Association. "Because of this new standard, the industry can participate in a more sustainable construction practice in which millions of cubic yards of concrete can now be recycled in a way that is safe for end users and provides a more conscious approach to environmental stewardship."

Before the standard, manufacturers had a few options for repurposing or recycling fresh concrete, but such material was most often disposed of in a landfill. Owners and end use customers will benefit from the new standard, since it will help lower the environmental impacts of construction.

ASTM C1798/C1798M-16e1, Specification for Returned Fresh Concrete for Use in a New Batch of Ready-Mixed Concrete, is available for purchase from ASTM Standards and Publications online. ASTM welcomes participation in the development of its standards.

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