A Supporting Method for Initial Support of Underground Cavern
A technology for underground caverns and support methods, which is applied in underground caverns, pillars/supports, earth drilling and mining, etc., can solve the problems of long construction period and many construction procedures.
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[0018] The present invention will be further described below in conjunction with accompanying drawing (taking a node at the bottom in the section of the underground cavern).
[0019] Description of components and material numbers in the attached drawings:
[0020] 1. Temporary support steel, I-beam can be used;
[0021] 2. Rectangular steel pipe;
[0022] 3. Steel backing plate;
[0023] 4. Temporary support steel end steel plate;
[0024] 5. Light and cheap materials, plastic foam products can be used;
[0025] 6. Initial support steel frame (grid arch frame) for initial support lining;
[0026] 7. Waterproof layer;
[0027] 8. Distributed ribs on the longitudinal inner side of the secondary lining;
[0028] 9. Secondary lining ring to the inner main reinforcement;
[0029] 10. Secondary reinforced concrete lining;
[0030] 11. Waterproof layer;
[0031] 12. Steel bars;
[0032] 13. Concrete in the groove reserved for laying the waterproof layer for pouring coated r...
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