| 摘要 |
PURPOSE: An impurity prevention device for a rail type bridge joint is provided to prevent the inflow of impurities to a rail type bridge joint by using equipment. CONSTITUTION: An impurity prevention device for a rail type bridge joint comprises a rail joint(A) contracted in the summertime and expanded in the winter time, equipment(B) preventing the inflow of impurities when expanding and contracting the space between the rail joints, equipment(C) reducing impact applied to equipment when a vehicle travels, equipment(D) supporting the equipment(C) safely, and equipment(E) supporting the equipment(B). |
