Seismic Response of Simple Structures with Coulomb Damping

by S. R. Malushte, Virginia Polytechnic Inst &, State Univ, Blacksburg, VA, USA,
M. P. Singh, Virginia Polytechnic Inst &, State Univ, Blacksburg, VA, USA,

Document Type: Proceeding Paper

Part of: Dynamics of Structures


A single story structure incorporating a floor-sliding mechanism for dissipation of vibration energy through Coulomb friction damping is examined. The response of this structure is evaluated for two recorded ground motions. It is found that for this structure, the column design forces and the floor response spectra can be considerably smaller than the ones for the corresponding elastic structure. It is observed that the sliding mechanism can be quite effective in isolating the load carrying members and secondary systems in case of the structures with high and medium frequencies. Also, it seems that the calculated maximum sliding displacements can be easily accommodated in a practical design.

Subject Headings: Seismic tests | Seismic effects | Structural response | Damping | Dynamic structural analysis | Sliding effects | Floors | Equations of motion

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