ASTM releases standard that supports recycling concrete

ASTM International has released a new ASTM International standard that is expected to help manufacturing plants better recycle returned fresh concrete. The organization says the standard will support the growth in sustainable construction practices.

The standard (C1798, Specification for Returned Fresh Concrete for Use in a New Batch of Ready-Mixed Concrete), was developed by ASTM’s committee on concrete (C09). It covers process, verification and recordkeeping procedures for such recycling.

“Quite simply, this standard recognizes unused concrete in a fresh state as a potential ingredient for a new concrete batch,” says ASTM member Rich Szecsy, president, Texas Aggregates and Concrete Association. “In other words, recycled fresh concrete can be treated as a raw-material component just like water, aggregates and cement.”

According to Szecsy, prior to this, manufacturers had some options for repurposing or recycling fresh concrete but such material was most often disposed of in a landfill. The ASTM says that with the new standard owners and end users will benefit since it will help lower the environmental impacts of construction.

“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,” says Szecsy.

To purchase the new standards, visit www.astm.org and search by the standard designation, or contact ASTM Customer Relations (tel +1.877.909.ASTM; sales@astm.org).

ASTM International is an international standards organization that develops and publishes voluntary consensus technical standards for a range of materials, products, systems and services.

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