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Anti-seismic design method and system for anti-falling beam limiting inhaul cable of cross-fault beam bridge
The invention discloses an anti-seismic design method and system for an anti-falling beam limiting inhaul cable of a cross-fault beam bridge, relates to the field of bridge seismic reduction and isolation design, discloses two rigidity calculation formulas suitable for the anti-falling beam limiting inhaul cable of the cross-fault beam bridge, and provides the anti-seismic design method for the anti-falling beam limiting inhaul cable on the basis. Through the design of the method provided by the invention, the relative displacement of the pier beam is limited within an allowable displacement range, and beam falling or support damage of the cross-fault beam bridge is prevented. According to the design result, the anti-seismic performance is good, the anti-beam-falling displacement requirement of a bridge under the dual effects of seismic oscillation and power and permanent displacement generated by fault fracture is met, the safety of the bridge under strong earthquakes can be improved, and the anti-beam-falling anti-seismic device can be used for engineering.
本发明公开了一种跨断层梁式桥防落梁限位拉索的抗震设计方法及系统,涉及桥梁减隔震设计领域,公开了两个适用于跨断层梁式桥防落梁限位拉索的刚度计算公式,并在此基础上提出了防落梁限位拉索的抗震设计方法。通过本发明提出的方法设计,将墩梁相对位移限制在允许位移之内,防止跨断层梁式桥发生落梁或支座破坏。本发明设计结果抗震性能良好,满足桥梁在地震动动力作用和断层断裂产生的永久位移双重作用下防落梁的位移要求,有利于提高桥梁在强震下的安全性,可供工程使用。
Anti-seismic design method and system for anti-falling beam limiting inhaul cable of cross-fault beam bridge
The invention discloses an anti-seismic design method and system for an anti-falling beam limiting inhaul cable of a cross-fault beam bridge, relates to the field of bridge seismic reduction and isolation design, discloses two rigidity calculation formulas suitable for the anti-falling beam limiting inhaul cable of the cross-fault beam bridge, and provides the anti-seismic design method for the anti-falling beam limiting inhaul cable on the basis. Through the design of the method provided by the invention, the relative displacement of the pier beam is limited within an allowable displacement range, and beam falling or support damage of the cross-fault beam bridge is prevented. According to the design result, the anti-seismic performance is good, the anti-beam-falling displacement requirement of a bridge under the dual effects of seismic oscillation and power and permanent displacement generated by fault fracture is met, the safety of the bridge under strong earthquakes can be improved, and the anti-beam-falling anti-seismic device can be used for engineering.
本发明公开了一种跨断层梁式桥防落梁限位拉索的抗震设计方法及系统,涉及桥梁减隔震设计领域,公开了两个适用于跨断层梁式桥防落梁限位拉索的刚度计算公式,并在此基础上提出了防落梁限位拉索的抗震设计方法。通过本发明提出的方法设计,将墩梁相对位移限制在允许位移之内,防止跨断层梁式桥发生落梁或支座破坏。本发明设计结果抗震性能良好,满足桥梁在地震动动力作用和断层断裂产生的永久位移双重作用下防落梁的位移要求,有利于提高桥梁在强震下的安全性,可供工程使用。
Anti-seismic design method and system for anti-falling beam limiting inhaul cable of cross-fault beam bridge
一种跨断层梁式桥防落梁限位拉索的抗震设计方法及系统
ZHANG FAN (author) / WANG JINGQUAN (author) / FU YUGUANG (author) / ZENG YONGPING (author) / LI SHUAI (author) / DONG JUN (author)
2024-05-14
Patent
Electronic Resource
Chinese
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