Tuned mass damper

GPTKB entity

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