A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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