EVALUATION OF CONCRETES FOR HIGH LEVEL NUCLEAR WASTE REPOSITORIES

机译：高水平核废料处置库中混凝土的评估

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Many designs for radioactive waste confinement,particularly in deep geological underground disposal,envisage the presence of cementitious materials in conjunction with clay barriers. Two types of rocks are the main options to host a repository in Spain, granite and clay. In realistic conditions, relevant to high level radioactive waste repositories, repository durability is limited by concrete interaction with clays, host-rock and groundwater. Typical cement pore fluids have pH > 12, and could induce mineralogical transformations in clay materials over long time periods, as predicted by models. The evolution of the pH of waters in contact with cementitious materials will vary depending of the type of cement used to produce concrete. This work try to address different aspects of long-term cement-based materials behaviour.

机译：放射性废物限制的许多设计，尤其是在深部地质地下处置中，都设想了水泥材料与粘土屏障的结合。两种岩石是在西班牙托管储层的主要选择，即花岗岩和粘土。在现实条件下，与高放射性废物处置库有关，处置库的耐久性受到与粘土，基质岩石和地下水的混凝土相互作用的限制。如模型所预测的，典型的水泥孔隙流体的pH值> 12，并可能在很长一段时间内诱发粘土材料的矿物学转变。与胶凝材料接触的水的pH值的变化将取决于用于生产混凝土的水泥的类型而变化。这项工作试图解决水泥基材料长期性能的不同方面。

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来源
《RILEM Proceedings PRO 40; International RILEM Conference on the Use of Recycled Materials in Buildings and Structures vol.2; 20041108-11; Barcelona(ES)》|2004年|P.945-952|共8页
会议地点 Barcelona(ES)
作者
A. Hidalgo; I. Llorente; C. Alonso; C. Andrade;
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IETcc, CSIC. C/Serrano Galvache 4, 28033 Madrid. Spain;

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正文语种 eng
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机译：评估高放废物库中混凝土的长期行为。加速浸出测试。

EVALUATION OF CONCRETES FOR HIGH LEVEL NUCLEAR WASTE REPOSITORIES

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