Dedicated to the open sharing of information and ideas on the economy, ecology, science, and legal equities of fly ash - one of the planet's most abundant materials.
(Aggregate Research 6-22-2011) Geopolymer concrete, or green concrete, is part of a movement to create construction materials that have a reduced impact on the environment. It is made from a combination of an inorganic polymer and 25 to 100 percent industrial waste. Here is a list of 4 benefits to using green concrete for your next project.
1. Lasts Longer
(Wheeling News 6-21-2011) A bill to stop the regulation of fly ash as a hazardous material should come to a vote before a House subcommittee today, said the bill's sponsor, U.S. Rep. David McKinley.
(Huffington Post 6-16-2011) An industry-funded report released late Wednesday suggests that federal regulation of coal combustion residuals, or coal ash, currently being considered by the Environmental Protection Agency would result in as many as 316,000 lost jobs and as much as $110 billion in lost economic activity over a 20-year period.
(Aggregate Research 6-9-2011) The concrete core of the new One World Trade Center Tower has now ascended above the 66th floor, and its steel columns stretch several floors higher.
For New Yorkers and, indeed, for all Americans and civilized people around the world, it is a potent symbol of freedom’s triumph over terrorism. The building may no longer be called “Freedom Tower,” but that name will surely embody its enduring legacy.
(NTD Television 5-30-2011) Coal-firing plants which burn coal to generate electricity produce a residue waste material called fly ash. The dust-like substance is China's single biggest source of solid industrial waste.
(Political News 5-27-2011) Senator Kent Conrad today urged President Obama to quickly finalize an Administration rule designating coal ash as a non-hazardous solid waste material. The ruling would allow for the continued beneficial use of coal ash and ensure an unnecessary burden is not placed on North Dakota's utilities.
(Aggregate Research 5-26-2011) The environmental impact of portland cement concrete production has motivated researchers and the construction industry to evaluate alternative technologies for incorporating recycled cementing materials and recycled aggregates in concrete.
One such technology is based on using pulverized glass as sand or pozzolan.
(AL.Com 5-17-2011) Three state agencies that oversee the environment, transportation and utilities have advised the U.S. Environmental Protection Agency that coal ash, a byproduct of burning coal to generate electricity that is plentiful in Alabama, should not be treated as a hazardous waste.
In arguments that back up the position of the state's largest producer of coal ash, the three agencies warn that the more stringent rules for handling hazardous waste would impede the state's economy.
(Business Standard 5-14-2011) ACC Ltd, India’s foremost cement manufacturer and pioneer in cement and concrete technology, launched ‘Concrete+’, a premium eco-friendly cement brand in Bengaluru today. Concrete+ is technologically advanced cement in terms of higher strength and durability. This product will cater to the requirements of individual home builders in and around Bengaluru City.
(Engineering News 5-13-2011) Fly ash products manufacturer Ash Resources has introduced a new fly ash additives product to its range – DuraPozzPro.
The new product is the finest form of fly ash the company produces, and is intended for the high-end market. The company gathers fly ash from coal-fired power stations, before processing it and selling it for use in concrete mixtures.