| 摘要 |
PROBLEM TO BE SOLVED: To provide a membrane type low-temperature baserock reservoir capable of eliminating adverse effects caused by ground water pressure and freezing expansion and of sufficiently improving structural stability and reliability. SOLUTION: In the membrane type low-temperature baserock reservoir, a lining comprising sprayed concrete 2, building frame concrete 4, a cold insulation material and a membrane material is formed on the surface of a cavity 1 excavated inside a rock, and an internal space of the lining is used for the reservoir for storing low-temperature fluid. A drainage channel network 7 is embedded in the sprayed concrete 2, and a heating pipe line network 8 is embedded in the building frame concrete 4. The heating pipe line network 8 is superposed on inside of the drainage channel network 7. The drainage channel network 7 is formed to have a crisscross grid shape comprising lengthwise drainage channels 7a and breadthwise drainage channels 7b made of flat plate-shaped drainage materials. The heating pipe line network 8 is formed to have a meandering shape. Joint parts 4a of the building frame concrete 4 are formed in positions superposed on the breadthwise drainage channels 7b, and a secondary drainage channel network is embedded in the building frame concrete 4. COPYRIGHT: (C)2008,JPO&INPIT
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