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Although hanger ropes used in suspension bridges and stay cables used in cable-stayed bridges are highly effective in supporting bridge loads, they tend to be exposed to various types of wind-induced vibrations due to their relatively low damping ratio:
- aeolian vibration (vortex-induced vibration) - galloping - wake galloping - rain-induced vibration - parametric excitation - buffeting
▶ Ulsan Bridge SB Damper
▶ Norway Halogaland Bridge SB Damper ▶ Turkey Canakkale Bridge SB Damper |
High Frequency SB Damper
Low Frequency SB Damper
Multi-mode Damper(Hign & Low Frequency)
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SB Damper during the installation on suspension bridge
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Suspension Bridge with SB dampers installed on the hanger cables
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The Stockbridge damper not only offers a significantly lower-cost solution compared to conventional hydraulic dampers, but it is also easier to install and allows flexible repositioning to achieve maximum damping performance.
TE Solution possesses not only the technology and expertise for Stockbridge dampers used in suspension bridges, but also for those applied to cable-stayed bridges, which require more demanding control of lower-order vibration modes. |
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SB Damper installation for a hanger cable of a suspension bridge
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Stockbridge Damper for suspension bridge
(Palyung Bridge, 2016)
Stockbridge Damper for suspension bridge (Ulsan Bridge, 2015)
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Stockbridge Damper for Cable Stayed bridge (Pyeongtaek Bridge, 2016)
Stockbridge Damper for Cable Stayed bridge (Baeksajang Footbridge, 2014)
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Stockbridge Damper being installed on a hanger cable of a suspension bridge.
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