| 摘要 |
PROBLEM TO BE SOLVED: To enhance a train travelability at the time of an earthquake, by preventing a corner bend in an opposed end of a viaduct structure.SOLUTION: This corner bend preventive device 4 for a viaduct is arranged astride a ramen viaduct and the opposed end of a regulating girder, and is constituted of a device body 41, anchor bolts 42 attached to the device body 41, and nuts 47 screwed in the anchor bolt. The device body 41 includes steel boxes 44, 44 mounted on floor slab concrete of the opposed ends, and an oil damper 43 with respective ends joined respectively to the steel box bodies, and is constituted to insert the anchor bolts 42 into bolt holes 45 formed on the bottoms of the steel box bodies 44. Each steel box body 44 is filled with non-shrinkable mortal, and is constituted to fix a base end of each anchor bolt 42 to the non-shrinkable mortal. |
