The Airports Company South Africa (ACSA) has announced an ambitious R21 billion maintenance and refurbishment program across ...

Concrete Materials and Structural Integrity Research Unit (CoMSIRU), Department of Civil Engineering, University of Cape Town, Cape Town, South Africa This study investigated ... and the use of fly ...

The Mid-Atlantic segment includes cement, aggregates, ready-mix concrete, and fly ash operations throughout the Mid-Atlantic region, most concentrated in Virginia, North Carolina, South Carolina ...

“Ash can be used to replace up to 30% of cement,” Krish Mehta, co-founder and CEO of PHNX Materials, told TechCrunch. By displacing cement in concrete, fly ash from coal plants can eliminate a ...

Addressing both challenges head-on, engineers at RMIT have partnered with AGL’s Loy Yang power station and the Ash Development Association of Australia to substitute 80 per cent of the cement in ...

Civil engineering professor Elsabe Kearsley, who researches cement and concrete ... Most cement sold in South Africa now is blended, containing varying percentages of fly ash and slag.

Traffic Lab is a Seattle Times project that digs into the region’s transportation issues to explore the policies and politics that determine how we get around and how billions of dollars in ...

However, fly ash from coal-fired power plants is a suitable substitute for a portion of the Portland cement used in most concrete mixtures. In fact, substituting fly ash for 20% to 25% of the ...

Fly ash is used to increase concrete durability and workability ... North America, South America, Middle East and Africa. The main types of fly ash are class F and class C.Class F fly ash refers ...

Mining and materials company Afrimat said it was buying Lafarge South Africa this week ... ready mix concrete (RMX) batching plants, one integrated cement plant, two cement grinding plants, cement ...