B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
B09B 1/00 (2006.01) C04B 14/04 (2006.01) C04B 14/30 (2006.01) C04B 28/04 (2006.01) E02D 5/20 (2006.01) E02D 31/00 (2006.01) G21F 9/34 (2006.01)
Patent
CA 2273897
A method is disclosed for constructing, verifying and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a block of soil (78) containing the contaminants (73) from the surrounding soil. Molten permeation grouts seal fractures (26) and increase the effective thickness of the barrier (25). An impermeable synthetic liner (105) is embedded in the vault to enhance the integrity of the system. The integrity of the vault is monitored by a system of sensors (48, 49, 50, 51) placed both inside and outside of the sealed vault. The method eliminates the need to excavate or drill in the contaminated areas. Leaks which may develop are sealed by jet grouting with molten permeation grout.
L'invention porte sur un procédé de construction, de vérification et d'entretien d'enceintes souterraines destinées à contenir et à isoler des zones où sont enfouies des matières radioactives. Ce procédé utilise une technique faisant intervenir un phénomène de portance par flottation et ce, afin d'isoler un bloc de terrain (78), contenant les contaminants (73), du sol environnant. Un revêtement synthétique imperméable (27) est noyé dans la structure de l'enceinte afin de mieux protéger l'intégrité du dispositif. Celle-ci est contrôlée par des systèmes de détection (48, 49, 50, 51) installés à l'intérieur comme à l'extérieur de l'enceinte hermétique. Ce procédé évite d'avoir à effectuer des excavations ou des forages dans les secteurs contaminés.
Carter Ernest E. Jr.
Mcfadden Fincham
LandOfFree
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