Lock-up Bearing

Lock-up bearing is developed based on pot bearings or spherical bearings by adding an extra lock-up device, which can serve as fixed bearing instantaneously in case of earthquake or traffic braking, transmitting the horizontal loads along with beam and pier. The lock-up bearing is generally applied to moveable piers in bridge structures, instead of moveable bearings.

Typical references for Hirun lock-up bearing include:

Dujiangyan Highway, Xiamen to Shenzhen High Speed Railway, Tianjin Central Ecocity, Dalian Puwan Cross-sea Bridge etc.


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