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Ducrete
DUCRETE (Depleted Uranium Concrete) is a high density concrete alternative investigated for use in construction of casks for storage of radioactive waste. It is a composite material containing depleted uranium dioxide aggregate instead of conventional gravel, with a Portland cement binder.
==Background and development==
In 1993, the United States Department of Energy Office of Environmental Management initiated investigation into the potential use of depleted uranium in heavy concretes. The aim of this investigation was to simultaneously find an application for depleted uranium and to create a new and more efficient method for the storage and transportation of spent nuclear fuels. The material was first conceived at the Idaho National Engineering and Environmental Laboratory (INEEL) by W. Quapp and P. Lessing, who jointly developed the processes behind the material and were awarded both U.S. and foreign patents in 1998 and 2000, respectively.〔M. J. Haire and S. Y. Lobach,
("Cask size and weight reduction through the use of depleted uranium dioxide (DUO2)-concrete material" ), Waste Management 2006 Conference, Tucson, Arizona, February 26-March 2, 2006.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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