地质地层中放射性废物处置土工材料的转移特性

P. Lebon
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引用次数: 1

摘要

为了防止放射性核素在不同时间尺度上的传播,一个深层地质储存库被赋予了许多安全功能,这些功能相互补充,以优化系统的整体性能。根据处置的环境背景,研究了每个隔离屏障的转移特性。测量方法必须处理非常低的渗透率和扩散率。数据的不确定性已大大减少。研发轴的目的是在微观尺度上理解过程,以更好地评估它们是如何随时间变化的,以及不同的障碍是如何相互作用的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Propriétés de transfert des géomatériaux pour le stockage des déchets radioactifs en formation géologique
ABSTRACT To prevent the dissemination of radionuclides at different timescales, a deep geological repository is assigned a number of safety functions, which complement each other to optimise the system's overall performance. Transfer properties have been studied for each confinment barriers in agreement with the environmental context of a disposal. Measurement methodologies have to cope with very low permeabilities and diffusivities. Uncertainties on the data have been dramatically reduced. R&D axes aim at understanding processes at a microscopic scale to better assess how they are modified with time and how the different barriers interact with each others.
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