Statements (49)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Vibration control device
|
gptkbp:alsoKnownAs |
Harmonic absorber
Seismic damper |
gptkbp:application |
Earthquake protection
Seismic retrofitting Wind-induced vibration control |
gptkbp:category |
Civil engineering
Mechanical engineering Structural engineering |
gptkbp:component |
gptkb:spring
gptkb:Damper marina |
gptkbp:effect |
Increase comfort
Protect structural integrity Reduce sway Tuning to structure's natural frequency |
gptkbp:energyDissipation |
gptkb:Friction
Magnetic damping Viscous damping |
gptkbp:function |
Absorb vibrational energy
|
https://www.w3.org/2000/01/rdf-schema#label |
Tuned mass damper
|
gptkbp:inventedBy |
1909
Frahm, Hermann |
gptkbp:location |
Mid-span of bridges
Top of tall buildings |
gptkbp:maintenance |
Periodic inspection required
|
gptkbp:material |
gptkb:Lead
Steel Concrete |
gptkbp:notableExample |
gptkb:John_Hancock_Tower
gptkb:Taipei_101 gptkb:Citigroup_Center |
gptkbp:parameter |
Damping ratio
Frequency ratio Mass ratio |
gptkbp:principle |
Resonance
|
gptkbp:purpose |
Reduce mechanical vibrations
|
gptkbp:regulates |
Building codes in seismic zones
|
gptkbp:relatedTo |
Base isolation
Dynamic vibration absorber Shock absorber |
gptkbp:type |
Active
Passive Semi-active |
gptkbp:usedIn |
industrial equipment
Bridges Buildings |
gptkbp:bfsParent |
gptkb:TMD
|
gptkbp:bfsLayer |
7
|