Influence of the irradiation in cement for the Brazilian radioactive waste repositories: Characterization via X-ray diffraction, X-ray tomography and quasielastic neutron scattering

2018 ◽  
Vol 551 ◽  
pp. 256-261 ◽  
Author(s):  
Eduardo Gurzoni Alvares Ferreira ◽  
Fabiano Yokaichiya ◽  
Júlio Takehiro Marumo ◽  
Roberto Vicente ◽  
Francisco Garcia-Moreno ◽  
...  
Keyword(s):  
Radioactive Waste ◽  
Neutron Scattering ◽  
X Ray Diffraction ◽  
X Ray ◽  
Quasielastic Neutron ◽  
Radioactive Waste Repositories ◽  
Quasielastic Neutron Scattering ◽  
Waste Repositories

scholarly journals High Hydrogen Mobility in an Amide–Borohydride Compound Studied by Quasielastic Neutron Scattering

2021 ◽  
pp. 2100620
Author(s):  
Neslihan Aslan ◽  
Gökhan Gizer ◽  
Claudio Pistidda ◽  
Martin Dornheim ◽  
Martin Müller ◽  
...  
Keyword(s):  
Neutron Scattering ◽  
High Hydrogen ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering

An Assessment of the Long-Term Durability of Concrete in Radioactive Waste Repositories

1985 ◽  
Vol 50 ◽  
Author(s):  
A. Atkinson ◽  
D. J. Goult ◽  
J. A. Hearne
Keyword(s):  
Reinforced Concrete ◽  
Radioactive Waste ◽  
Concrete Slab ◽  
Laboratory Studies ◽  
Preliminary Assessment ◽  
Reinforced Concrete Slab ◽  
Radioactive Waste Repositories ◽  
Waste Repositories ◽  
Durability Of Concrete

AbstractA preliminary assessment of the long-term durability of concrete in a repository sited in clay is presented. The assessment is based on recorded experience of concrete structures and both field and laboratory studies. It is also supported by results of the examination of a concrete sample which had been buried in clay for 43 years.The enoineering lifetime of a 1 m thick reinforced concrete slab, with one face in contact with clay, and the way in which pH in the repository as a whole is likely to vary with time have both been estimated from available data. The estimates indicate that engineering lifetimes of about 103 years are expected (providing that sulphate resisting cement is used) and that pH is likely to remain above 10.5 for about 106 years.

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