Title
Identifying the damping contribution of building components based on measured top vibration
Author
van den Berg, R.L.J.
Steenbergen, R.D.J.M.
Publication year
2013
Abstract
In this paper, a damping model for a high-rise building is introduced. This model is used to investigate the possibilities to identify the relative damping contribution of the internal material damping in building elements, energy loss at element interfaces and energy outflow at the interface with the ground. The building is modeled as an Euler-Bernoulli beam which is elastically supported at its base by a translational and rotation spring, including viscous damping elements. The beam has internal viscous material damping and is attached to a distributed viscous damper. Data obtained from conventional full scale measurements of the vibrations at the top of a high-rise building, is used to calibrate the model. Values of the model parameters which result in a best fit, are found from calculation of the least square error between the simulated and measured response. It is concluded that the conventional performed measurements don't provide enough data to uniquely determine the relative contribution of the different damping components. A new measurement method is needed in order to identify the relative contribution.
Subject
Building Engineering & Civil Engineering
SD - Structural Dynamics SR - Structural Reliability
TS - Technical Sciences
Buildings and Infrastructure
Architecture
Built Environment
Comfort
Damping
Dynamics
Tall buildings
Wind
Building components
Civil engineering
Computational methods
Damping
Dynamics
Energy dissipation
Engineering geology
Interfaces (materials)
Structural dynamics
Tall buildings
Wind
Comfort
Damping contribution
Euler Bernoulli beams
Full scale measurements
Least square errors
New Measurement Method
Relative contribution
Viscous damping elements
Computer simulation
To reference this document use:
http://resolver.tudelft.nl/uuid:3ed91263-8057-452e-89d6-a1c5569d01dd
TNO identifier
503176
Publisher
National Technical University of Athens
Source
4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2013, 12 June 2013 through 14 June 2013, Kos Island, 3479-3495
Bibliographical note
An IACM Special Interest Conference
Document type
conference paper