Application of Viscoelastic Tuned Mass Dampers in Vibration Mitigation of Steel Joist Jack Arch Floor Structures

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Energy dissipation factor (<i>β</i>)</td><td class="align_center">0.12</td></tr><tr><td class="align_left">Shear modulus of viscoelastic material (<i>G</i><sub><i>e</i></sub>)</td><td class="align_center">0.650 MPa</td></tr><tr><td class="align_left">Poisson’s ratio of steel (<i>ʋ</i><sub><i>s</i></sub>)</td><td class="align_center">0.30</td></tr><tr><td class="align_left">Modulus of elasticity of steel (<i>E</i><sub><i>s</i></sub>)</td><td class="align_center">210 GPa</td></tr><tr><td class="align_left">Poisson’s ratio of viscoelastic material</td><td class="align_center">0.49</td></tr><tr><td class="align_left">Prony series material constants g, k, <i>τ</i></td><td class="align_center">0.98, 0, 0.0055</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical properties of the materials of the damper device.</div>

Shock and Vibration

tab4

Table 4

Table 4: Application of Viscoelastic Tuned Mass Dampers in Vibration Mitigation of Steel Joist Jack Arch Floor Structures 