Architectural daring, efficient design through the use advanced computer software, and the availability of high strength construction materials are resulting in structures that, while safe, are more lively in response to environmental loads. Two of the principal challenges due to this evolution are reduced occupant comfort and excessive lateral drift. This presentation outlines the importance of damping, both intrinsic to the structural materials and as contributed by a supplementary system, in achieving a high-performing structure. Although there is rich experience in understanding and implementing the damping mitigation strategies for low-rise structures in (especially) highly seismic locales, this seminar will go into some detail regarding more recent experience in damping high-rise structures where wind response becomes significant.
- Develop an awareness of the factors that affect building acceleration response and the significance of structural damping estimates.
- Understand the negative consequences of large accelerations on occupants of a structure, even when the stress in structural materials is well within acceptable limits.
- Gain a familiarity with traditional passive supplementary damping technologies in structures.
- Observe a selection of damper installations, and become aware of some of the architectural and engineering concessions that are required for their successful implementation.