​The 1915 Çanakkale Bridge

2nd Jindo Bridge
​The 1915 Çanakkale Bridge
Specifications of Mass Dampers:
▣ Type: Active Mass Damper (6 sets)
▣ Control Direction: Horizontal Dir.
▣ Specification
   - Moving Mass: 30 tons (per set)
   - Max. Stroke: ±120cm
   - Installation Location: Pylon
▣ Conceptual & Detailed Design / Manufacture / Installation
    / Performance test /
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Çanakkale Bridge During the Construction Stage
1915 Canakkale Bridge AMDs Being Lab Tested
1915 Canakkale Bridge is the longest suspension bridge in the world, boasting 3,623 meters in total length. Its height exceeds 300 meters, with a main span length of 2,023 meters and side span lengths of 800 meters each.
 
The primary objective of installing Tuned Mass Dampers (TMDs) on the Çanakkale Bridge is to mitigate Vortex-Induced Vibrations (VIV), which may occur in the pylons during both construction and service phases, to a manageable level, thereby preventing a reduction in the bridge’s lifespan. Additionally, reducing the wind-induced vibrations in the pylons also aims to enhance work efficiency during the construction phase and improve serviceability for users during the service phase.
 
To achieve such goals, we successfully controlled the wind-induced vibrations in the pylons by applying six Active Mass Dampers (AMDs) with a moving mass of 30 tons and a maximum stroke of ±1.2 meters. After the installation, we conducted performance tests, which have shown that AMDs achieved the targeted control level, and confirmed that VIV does not occur during AMD operation.
 
Currently, the Çanakkale Bridge is in its service stage, and the vibrations of its pylons are effectively controlled by four AMDs.
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Lifting AMD Components