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BRIDGE FALL PREVENTION DEVICE
To provide a bridge fall prevention device which can easily perform inspection with a simple structure without using expensive elastic bodies such as rubber, and ensure a vibration damping function.SOLUTION: A bridge fall prevention device 1 has: an anchor bar 10 that includes a portion PR1 protruding upward from a lower structure 2; a member 11 that includes a hole part 11h through which a portion PR2 among the portion PR1 of the anchor bar 10 can be inserted and connects the portion PR2 to a bridge girder 4 with the portion PR2 in a state of being inserted through the hole part 11h; and a member 12 that includes a hole part 12h through which a portion PR3 which is placed lower than the portion PR2 among the portion PR1 of the anchor bar 10 can be inserted and is fixed on the bridge girder 4 with the portion PR3 in a state of being inserted through the hole part 12h. A gap GP1 is formed between an outer peripheral surface of the portion PR3 and an inner peripheral surface of the hole part 12h.SELECTED DRAWING: Figure 2
【課題】高価なゴム等の弾性体を用いることなく、簡単な構造で容易に点検することができ、且つ、制振機能を確保することができる落橋防止装置を提供する。【解決手段】落橋防止装置1は、下部工2から上方に突出した部分PR1を含むアンカーバー10と、アンカーバー10の部分PR1のうち部分PR2が挿通可能な孔部11hを含み、且つ、部分PR2が孔部11hに挿通された状態で部分PR2を橋桁4に連結する部材11と、アンカーバー10の部分PR1のうち部分PR2よりも下方に配置された部分PR3が挿通可能な孔部12hを含み、且つ、部分PR3が孔部12hに挿通された状態で橋桁4に固定された部材12と、を有する。部分PR3の外周面と孔部12hの内周面との間に隙間GP1が形成されている。【選択図】図2
BRIDGE FALL PREVENTION DEVICE
To provide a bridge fall prevention device which can easily perform inspection with a simple structure without using expensive elastic bodies such as rubber, and ensure a vibration damping function.SOLUTION: A bridge fall prevention device 1 has: an anchor bar 10 that includes a portion PR1 protruding upward from a lower structure 2; a member 11 that includes a hole part 11h through which a portion PR2 among the portion PR1 of the anchor bar 10 can be inserted and connects the portion PR2 to a bridge girder 4 with the portion PR2 in a state of being inserted through the hole part 11h; and a member 12 that includes a hole part 12h through which a portion PR3 which is placed lower than the portion PR2 among the portion PR1 of the anchor bar 10 can be inserted and is fixed on the bridge girder 4 with the portion PR3 in a state of being inserted through the hole part 12h. A gap GP1 is formed between an outer peripheral surface of the portion PR3 and an inner peripheral surface of the hole part 12h.SELECTED DRAWING: Figure 2
【課題】高価なゴム等の弾性体を用いることなく、簡単な構造で容易に点検することができ、且つ、制振機能を確保することができる落橋防止装置を提供する。【解決手段】落橋防止装置1は、下部工2から上方に突出した部分PR1を含むアンカーバー10と、アンカーバー10の部分PR1のうち部分PR2が挿通可能な孔部11hを含み、且つ、部分PR2が孔部11hに挿通された状態で部分PR2を橋桁4に連結する部材11と、アンカーバー10の部分PR1のうち部分PR2よりも下方に配置された部分PR3が挿通可能な孔部12hを含み、且つ、部分PR3が孔部12hに挿通された状態で橋桁4に固定された部材12と、を有する。部分PR3の外周面と孔部12hの内周面との間に隙間GP1が形成されている。【選択図】図2
BRIDGE FALL PREVENTION DEVICE
落橋防止装置
DOI TATSUYA (author) / TOYOOKA AKIHIRO (author)
2022-06-08
Patent
Electronic Resource
Japanese
IPC:
E01D
BRIDGES
,
Brücken