| 摘要 |
PROBLEM TO BE SOLVED: To provide an underground shelter for a backup facility having excellent quakeproofness and waterproofness. SOLUTION: This underground shelter is formed by integrally installing a box-like shelter body 1 formed of a high strength concrete on a pressure resistant panel supported by a plurality of piles driven in the ground and covering the outer surface of the shelter body 1 by a steel plate 5. COPYRIGHT: (C)2005,JPO&NCIPI
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