Markets for recycled concrete are ever expanding. To date, recycled concrete aggregate has been use in/as aggregate base course (road base), ready mix concrete, asphalt pavement, soil stabilization, pipe bedding and landscape materials.
How is recycled concrete processed?
Products aside from base course are high quality aggregate, processed in steps with time and effort involved in crushing, pre-sizing, sorting, screening and contaminant elimination. Denominator is to start with a clean, quality, rubble in order to meet design criteria much more easily.
Are there any regulatory concerns regarding recycling or use of recycled concrete?
Regulatory issues vary from state to state and agency to agency. In 2005, California wrote legislation mandating and accepting the use of recycled into new concrete. Generally, American Society for Testing and Materials (ASTM) and American Association of State Highway and Transportation Officials (AASHTO) are national trendsetters on issues accepted by agencies across the U.S. Their specifications allowing for recycled aggregate use reinforces confidence in recycled products.
Is concrete recycling regulated?
Concrete recycling can be regulated by state environmental authorities. For example, in New Jersey all concrete recyclers have to obtain a Class B license in order to crush.
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