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2 Mold device for second lining wall operation of vertical tunnel
2 Mold device for second lining wall operation of vertical tunnel
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机译：2立式隧道二衬墙作业的模具装置
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摘要
The present invention relates to a formwork device for the construction of secondary lining walls of vertical tunnels, and in the related art, it is necessary to repeat the known formwork installation / disassembly every time the secondary lining wall is divided, so that it consumes a lot of manpower and reduces work efficiency. There was a problem that the construction cost excessively increased due to a considerable amount of manpower and time consumption such as delay of construction date.;Therefore, the present invention is divided into several parts along the diameter of the vertical tunnel 10 on the outer four sides of the formwork supporting frame 30 formed to be movable in the primary lining wall 11 of the vertical tunnel 10. The die plate 40 is moved forward and backward with the turnbuckles 33 so that the diameter of the die plate 40 can be adjusted while being detached, and a plurality of traction rollers 34 are installed on the upper surface of the support frame 30. Detachable construction of the formwork plate 40 and concrete pouring process in the state to be detachably hung on the lower end of the workbench 20 lifted by the rope 50, and to completely dismantle the formwork and reinstall it as before. No, it is possible to reduce the manpower, cost, and time required because of the good workability, and the effect of shortening the air and reducing the construction cost is great.
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