Producing hot mix asphalt concrete is an energy intensive process involving heating aggregate up to 435 degrees F, then mixing in asphalt cement and recycled materials. Typical recyclables are asphalt concrete removed from older pavements & garbage, asphalt shingles, plastic and glass.     So, the plant site shown has a stockpile of aggregate […]

Hot mix asphalt concrete (abbreviated as HMA or HMAC) is a thermoplastic mixture of asphalt cement, rock and sand. In some states the mixture is called bituminous concrete. The earliest asphalt roads were called Macadam, after a Scottish engineer, John McAdam. He created a road building method in the early 1800s […]