RADIOACTIVE WASTE DISPOSAL FACILITY AND ITS CONSTRUCTION METHOD

PROBLEM TO BE SOLVED: To provide a radioactive waste disposal facility and its construction method capable of cutting off water without having an adverse influence on bentonite or bentonite mixed soil filled in a gallery. SOLUTION: This radioactive waste disposal facility is constituted of the galle...

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Bibliographische Detailangaben
1. Verfasser:	NOBUTO JUN
Format:	Patent
Sprache:	eng
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT SHAFTS TREATING RADIOACTIVELY CONTAMINATED MATERIAL TUNNELS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a radioactive waste disposal facility and its construction method capable of cutting off water without having an adverse influence on bentonite or bentonite mixed soil filled in a gallery. SOLUTION: This radioactive waste disposal facility is constituted of the gallery 3 having a circular section formed in the ground G for storing the radioactive waste 5, the first improved layer 2 comprising bentonite grout or clay grout formed as a peripheral wall of the gallery 3, and the second improved layer 1 comprising a cement-based grout or a silica-based grout formed on the outer peripheral part of the first improved layer 2. COPYRIGHT: (C)2006,JPO&NCIPI