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Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-091
... (which evens out temperature peaks). Helical tunnel with horizontal adits is used during excavation only. In receiving station, each concrete ball arrives on a rail-bound wagon and each waste canister in a radiation-shielded transport cask on a truck. Ball is slowly preheated before being remotely...
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