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亀井 玄人; Alexander, W. R.*; Clark, I. D.*; Degnan, P.*; Elie, M.*; Khoury, H.*; Milodowski, A. E.*; Pitty, A. F.*; Salameh, E.*; Smellie, J. A. T.*
Proceedings of 13th International Conference on Environmental Remediation and Radioactive Waste Management (ICEM 2010) (CD-ROM), p.141 - 147, 2010/10
Natural cements in Jordan have been produced by the combustion of organic-rich clay biomicrites and are very close analogues of industrial cement. Following interaction with groundwaters, natural hyperalkaline leachates are produced and these move out of the cement into the surrounding host rock, subsequently interacting with and altering it. The conclusions of the Jordan Natural Cement Analogue Study are presented and the safety assessment (SA) implications of the interaction of cementitious hyperalkaline leachates on repository host rock and bentonite are discussed.
亀井 玄人; Alexander, W. R.*; Clark, I. D.*; Degnan, P.*; Elie, M.*; Khoury, H.*; Mader, U.*; Milodowski, A. E.*; Pitty, A. F.*; Salameh, E.*; et al.
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The safety assessment implications of the novel data from the Jordan Natural Analogue Study, which looked into interaction of natural cementitious hyperalkaline leachates on repository host rocks and clays, are presented. For example, Maqarin site in northern Jordan represents repository host rocks with advective groundwater systems. Hydrogeological, hydrochemical and structural data collected on the fractured rock at the site has been used to assess the likely implications of hyperalkaine leachate interaction on the long-term flow conditions in similar repository host rocks.