Phone:
0086-18258677687
Apr 24, 2024
Green and environmentally friendly;
No lead pollution.
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.
Specifications (diameter, mm) | / | D400 | D500 | D600 | D700 | D800 | D900 | D1000 |
Shear modulus G | Mpa | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
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 | 0.98 | 1.22 | 1.49 | 1.73 | 1.98 | 2.24 | 2.48 |
Yield force Q | kN | 23 | 36 | 53 | 73 | 95 | 120 | 149 |
Stiffness after yield Kd | kN/mm | 0.68 | 0.84 | 1.02 | 1.19 | 1.36 | 1.53 | 1.7 |
Stiffness before yield Ki | kN/mm | 8.1 | 10.1 | 12.2 | 14.3 | 16.3 | 18.3 | 20.4 |
Equivalent damping ratio heq | / | 18.00% | 18.00% | 18.00% | 18.00% | 18.00% | 18.00% | 18.00% |