UNDERGROUND INTERMEDIATE DEPOT FOR USED NUCLEAR FUEL ELEMENTAND VITRIFIED RADIOACTIVE WASTE

摘要

1. Underground interim store for spent nuclear reactor fuel elements and for vitrified radioactive waste, with storage buildings arranged in a cavern, in which buildings are provided cooled storage modules or storage regions for accommodating the fuel elements and the vitrified radioactive waste, characterised in that the cavern (8, 10) has, in cross-section, the form of a vertical ellipse with an upright major axis and presents a farreaching re-arrangement of the rock burden or loads and also an activated rock-supporting ring.