RB Series Earthquake Bearing
Product Description
RB-GPZ(JZ) series damping-type pot bearing includes fixed bearing and one-way flexible bearing, which can be classified into 33 grades according to requirements of JT391-2009. Vertical design bearing capacity, bearing rotation angle, friction coefficient and displacement are designed according to standard specifications. Horizontal bearing capacity of a fixed bearing in all directions and a one-way flexible bearing in non-sliding direction is increased up to 20% from 10% of the original bearing design capacity. Therefore, it can improve anti-vibration capacity of bridge in case of earthquake, minimize relative displacement between superstructure and substructure of bridge, and reduce amplification coefficient of seismic force. It is equivalent to common pot rubber bearing if there is no earthquake.
RB-GPZ(JZ) series damping-type pot bearing is produced according to requirements of Industry Standard of the People's Republic of China Pot Bearing for Highway Bridge (JT391-2009) and Seismic Design Code of Highway Project (JTJ004-89), which combines the advantage of a pot bearing with the shock absorbing and damping qualities.
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