Tires are essential to modern transport, but their production and use raise environmental concerns. One important issue is ...

Concrete is the most widely used construction material in the world. One of the key ingredients in concrete is Portland cement. The American Concrete Institute explains that Portland cement is a ...

On one hand, with the retirement of coal-fired power plants the supply of fly ash has decreased. Fly ash is one of the most popular supplemental cementitious materials (SCM) in the industry, so it’s ...

Utility giant Georgia Power and a South Jordan, Utah-based producer of sustainable materials, have signed a deal to remove 8 million tons of coal fly ash from a retired coal-fired power plant over the ...

Experts say the use of coal fly ash in concrete mixes and land infill is a safe practice ? as long as it?s done right. “We believe that when you stabilize the material, it?s a wonderful thing to use,” ...

Over the past four decades, the use in concrete of supplementary cementitious materials (SCMs), such as fly ash, slag cement, and silica fume, has improved the properties of fresh concrete, such as ...

Francis, of Elliston, is a long time resident of Montgomery County. He retired from the National Lime Association in 1997. What is fly ash? Fly ash is the fine, particle-size material from the burning ...

House Bill 1918 would require a solid waste permit for the use of fly ash in a 100-year flood plain. The bill was introduced in response to concerns raised in Giles County over Cumberland Park, a ...