Jacking construction device after stop of pipe jacking construction
The utility model relates to a jacking construction device after stop of pipe jacking construction. A small pipe joint is arranged in an area between an initial original construction pipe joint and a next original construction pipe joint, a front propping flange stiffening rib plate and a front prop...
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Zusammenfassung: | The utility model relates to a jacking construction device after stop of pipe jacking construction. A small pipe joint is arranged in an area between an initial original construction pipe joint and a next original construction pipe joint, a front propping flange stiffening rib plate and a front propping flange are arranged at the front end face and the front end opening of the small pipe joint respectively, a sealing component is arranged on the outer wall of the rear end of the small pipe joint, a pushing component is mounted in the rear end opening of the small pipe joint through a pushing support ring, and a closed drag reduction slurry filling cavity is formed between the outer wall of the small pipe joint and the original construction pipe joint. A jacking process is similar to an original jacking construction mode, construction levels such as original jacking precision and settlement control can be kept, the jacking construction device is wide in applicable range and has fine adaptability in steel pipe joint jacking construction, a welding process is mostly adopted, drag reduction slurry is replaced by cement paste or cement mortar, the rigidity of the small pipe joint can be improved, and ground surface settlement can be effectively controlled, and construction technology is safe, reliable and efficient. |
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