A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Worldwide production of coal ash and utilization in concrete and other products
This paper summarizes coal ash production and utilization in the world and presents a country-by country survey of the use of coal ash in concrete. Most of the data are for 1992, but some are for a specific year within the period 1989 to 1994. Worldwide the major use of coal ash is in concrete, which exceeds any other single application. Since the worldwide survey of the production and utilization of coal ash by the author in 1977, there have been marked increases in the use of coal ash in concrete. In the USA the increase in use has been paralleled by a tremendous increase in the number of power plants burning low-sulfur subbituminous and lignite coals. Worldwide, there have been annual increases in the use of coal ash in concrete, including first-time production and use in several countries. The impetus for the expanded use of coal ash in concrete has been provided by at least 15 international conferences. The state of the art is well established with respect to coal ash as a cement raw material, for use in blended cement and as a partial replacement for cement. Better understanding exists of the advantages and disadvantages of the use of coal ash in concrete. Better-quality coal ashes are being produced, and there is widespread concern for the characterization, classification and specification of coal ash for use in concrete.
Worldwide production of coal ash and utilization in concrete and other products
This paper summarizes coal ash production and utilization in the world and presents a country-by country survey of the use of coal ash in concrete. Most of the data are for 1992, but some are for a specific year within the period 1989 to 1994. Worldwide the major use of coal ash is in concrete, which exceeds any other single application. Since the worldwide survey of the production and utilization of coal ash by the author in 1977, there have been marked increases in the use of coal ash in concrete. In the USA the increase in use has been paralleled by a tremendous increase in the number of power plants burning low-sulfur subbituminous and lignite coals. Worldwide, there have been annual increases in the use of coal ash in concrete, including first-time production and use in several countries. The impetus for the expanded use of coal ash in concrete has been provided by at least 15 international conferences. The state of the art is well established with respect to coal ash as a cement raw material, for use in blended cement and as a partial replacement for cement. Better understanding exists of the advantages and disadvantages of the use of coal ash in concrete. Better-quality coal ashes are being produced, and there is widespread concern for the characterization, classification and specification of coal ash for use in concrete.
Worldwide production of coal ash and utilization in concrete and other products
Weltweite Produktion von Kohlenasche und Anwendung in Beton und anderen Produkten
Manz, O.E. (author)
Fuel ; 76 ; 691-696
1997
6 Seiten, 1 Tabelle, 43 Quellen
Article (Journal)
English
Kohle , Kohleaufbereitung , Asche , Zement , Zementindustrie , Beton
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