High Damping Rubber Bearing

High Damping Rubber Bearing

The high damping rubber bearingis a type of seismic isolators for buildings. This laminated composite rubber isolation bearing with high damping performance is made by adding various ingredients in the natural rubber. The high damping rubberbearing not only maintains the good mechanical properties of the natural rubber bearing, but also has a high damping ratio, which can effectively absorb the seismic energy in the earthquake and reduce the impact of the earthquake.

Features of High DampingBearings

Green and environmentally friendly;

No lead pollution.

Application of High Damping Rubber Bearing

This high damping rubber bearing is widely used in seismic isolation design and seismic reinforcement renovation of bridges, buildings, hydropower projects and other civil structures.

Specification of High Damping Rubber Bearing

Specifications (diameter, mm)	/	D400	D500	D600	D700	D800	D900	D1000
Shear modulus G	Mpa
Total height of bearing H	mm	178	201	223	267	302	353	390
Total thickness of rubber layer Tr	mm	74	93	111	129	147	166	184
First form factor S1	/	≥15	≥15	≥15	≥15	≥15	≥15	≥15
Second form factor S2	/	≥5	≥5	≥5	≥5	≥5	≥5	≥5
Vertical compression stiffness Kv	kN/mm	1350	1750	1950	2450	2950	3650	4450
Horizontal equivalent stiffness (Shear strain 100%) Keq	kN/mm
Yield force Q	kN	23	36	53	73	95	120	149
Stiffness after yield Kd	kN/mm
Stiffness before yield Ki	kN/mm
Equivalent damping ratio heq	/

We can also offer kinds of low damping rubber bearingfor sale, if you have needs, please contact us.

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