A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to an arched steel pipe central buckle comprising a cable fastener, a connecting steel plate, arched steel pipes and the like. The cable fastener tightly wraps a main cable; theconnecting steel plate is welded under the cable fastener, the left and right arched steel pipes are arranged on two sides of the connecting steel plate, the tops of the arched steel pipes are weldedwith the cable fastener and the connecting steel plate, and the bottoms of the arched steel pipes are anchored on a stiffening beam. The upper ends of slings are suspended below the connecting steel plate, and a stiffening beam is suspended at the lower ends of the slings. The super-large-span suspension bridge is provided with the arched steel pipe central buckle, so that the cooperative work ofthe bridge deck stiffening beam and the suspension bridge main cable can be guaranteed, the longitudinal rigidity of the suspension bridge is enhanced, the longitudinal earthquake displacement of thesuspension bridge is reduced, the antisymmetric torsion frequency of the super-large-span suspension bridge can be greatly improved, and the earthquake dynamic response of a suspension bridge tower can be remarkably reduced. The arched steel pipe central buckle has the advantages of couple hardness with softness, attractive appearance, convenience in construction, reliability in stress, good anti-seismic ductility, low manufacturing cost and the like. And the central buckle structure can be used as a central buckle structure of a super-large-span suspension bridge.
拱形钢管中央扣包括缆索扣件、连接钢板和拱形钢管等，缆索扣件紧紧握裹主缆，缆索扣件的正下方焊接连接钢板，左右两个拱形钢管位于连接钢板的两侧，拱形钢管的顶部与缆索扣件和连接钢板两者焊接连接，拱形钢管底部锚固于加劲梁之上，吊索上端悬挂于连接钢板之下，吊索下端悬吊加劲梁。超大跨径悬索桥设置拱形钢管中央扣，可保证桥面加劲梁和悬索桥主缆索两者协同工作，加强了悬索桥的纵向刚度，降低了悬索桥的纵向地震位移，可大幅度提高超大跨径悬索桥的反对称扭转频率，可显著降低悬索桥桥塔的地震动力响应。拱形钢管中央扣结构刚柔并济，具有造型漂亮、施工方便、受力可靠、抗震延性好和造价低等优点。可以作为超大跨径悬索桥的中央扣结构。
The invention relates to an arched steel pipe central buckle comprising a cable fastener, a connecting steel plate, arched steel pipes and the like. The cable fastener tightly wraps a main cable; theconnecting steel plate is welded under the cable fastener, the left and right arched steel pipes are arranged on two sides of the connecting steel plate, the tops of the arched steel pipes are weldedwith the cable fastener and the connecting steel plate, and the bottoms of the arched steel pipes are anchored on a stiffening beam. The upper ends of slings are suspended below the connecting steel plate, and a stiffening beam is suspended at the lower ends of the slings. The super-large-span suspension bridge is provided with the arched steel pipe central buckle, so that the cooperative work ofthe bridge deck stiffening beam and the suspension bridge main cable can be guaranteed, the longitudinal rigidity of the suspension bridge is enhanced, the longitudinal earthquake displacement of thesuspension bridge is reduced, the antisymmetric torsion frequency of the super-large-span suspension bridge can be greatly improved, and the earthquake dynamic response of a suspension bridge tower can be remarkably reduced. The arched steel pipe central buckle has the advantages of couple hardness with softness, attractive appearance, convenience in construction, reliability in stress, good anti-seismic ductility, low manufacturing cost and the like. And the central buckle structure can be used as a central buckle structure of a super-large-span suspension bridge.
拱形钢管中央扣包括缆索扣件、连接钢板和拱形钢管等，缆索扣件紧紧握裹主缆，缆索扣件的正下方焊接连接钢板，左右两个拱形钢管位于连接钢板的两侧，拱形钢管的顶部与缆索扣件和连接钢板两者焊接连接，拱形钢管底部锚固于加劲梁之上，吊索上端悬挂于连接钢板之下，吊索下端悬吊加劲梁。超大跨径悬索桥设置拱形钢管中央扣，可保证桥面加劲梁和悬索桥主缆索两者协同工作，加强了悬索桥的纵向刚度，降低了悬索桥的纵向地震位移，可大幅度提高超大跨径悬索桥的反对称扭转频率，可显著降低悬索桥桥塔的地震动力响应。拱形钢管中央扣结构刚柔并济，具有造型漂亮、施工方便、受力可靠、抗震延性好和造价低等优点。可以作为超大跨径悬索桥的中央扣结构。
Arch-shaped steel pipe central buckle structure of super-large-span suspension bridge
一种超大跨径悬索桥的拱形钢管中央扣结构
JIANG TAO (author)
2020-09-25
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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