| 摘要 |
PURPOSE: A prefabricated raft is provided to reduce water resistance by floating the pipes connected parallel and to be matched with environment by using waste plastic material. CONSTITUTION: Conical sealing caps(6) are adhered to both ends of a pipe(1), and upper and lower pipe connecting members(2) are assembled at a specific interval. Pipe connecting bars(4) are parallel connected by assembling bolts and nuts through bolt holes(5). Thereafter, upper panel connecting parts(3), cap protecting support bars(7), and protecting support connecting bars(8) are sequentially connected through the bolt holes. Thus, a raft is produced. Since the barge is manufactured by using waste plastic, environmental pollution is reduced. The conical cap reduces water resistance.
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