摘要 |
PURPOSE: A perforated conduit having two holes and a manufacturing method of a reinforced concrete pipe are provided to assemble the perforated conduit without a separate binding wire, and to prevent failures of a product. CONSTITUTION: A perforated conduit having two holes includes the following: a perforated conduit(10) used for manufacturing a reinforced concrete pipe; two perforated conduits(12,14) arranged in parallel with a perforated holes(12a,14a); an elastic binding elements connected with a reinforcing rod between the perforated conduit; and a transverse reinforcing rod supporting piece(20) preventing the perforated conduit from being twisted. |