| |
|
|
| Bolu Viaducts, Turkey |
|
| A portion of Trans-European Motorway in northwestern Turkey was close to the epicenter of the 1999 Duzce Earthquake and was significantly damaged. As part of a repair/retrofit engineering study, the Turkish government commissioned engineer Yuksel-Rendel JV to undertake a worldwide industry survey of seismic isolation systems best able to satisfy the project’s high seismic design requirements. |
| |
| On the basis of this study, Friction PendulumTM bearings were determined to be the only seismic isolators able to satisfy all of the requirements, including strong near-field ground shaking, a fault crossing, large permanent fault rupture offsets, and compliance with the 1999 ASSHTO seismic isolation design guidelines. |
| |
| The 536 Friction PendulumTM bearings were installed in all four major viaduct structures of the motorway in Turkey. |
| |
|
| |
| |
 |
|
|
|
