| 摘要 |
PURPOSE: To perform work execution in a steel beam section of a vibration- proof sleeper track smoothly by mounting a vibration-proof sleeper support box for a steel beam. CONSTITUTION: A sleeper support box 5 whose sleeper fitting-in side and top surface are opened and which has a bottom plate 1, both side plates, and an outer end plate 3 and has a bolt insertion hole 4 on the bottom plate 1 is provided, and the sleeper support box 5 is put on an upper flange 7 of a steel beam 6. A tip of a hook bolt 8 inserted into the bolt insertion hole 4 is engaged with the upper flange 7 and a nut 10 is screwed in a screw section 9 of the hook bolt 8 from the inside of the sleeper support box 5 to fix the sleeper support box 5 on the steel beam 6. A concrete sleeper 13 is supported by a sleeper support pad 11 stored in the sleeper support box 5 and a side pad 12. |
