Experimental Structural Acoustic investigation of a lightweight floor structure
(2010) EAA EUROREGIO 2010- Abstract
- A common floor construction in a lightweight building system is using chipboard plates attached to wooden beams using screws and glue. One drawback with such a system is the propagation of vibrations stemming either from harmonic (washing machines, dishwashers, HiFi-systems) especially at low frequencies and/or transient (Human walking, dropped items, slamming doors) excitations. In order to accurately predict the sound attenuation and the losses of such building systems, computationally accurate and efficient simulation techniques are needed.
The main objective of this work is to examine sandwiched floor constructs consisting of one and two layers of chipboards attached to supporting wooden beams. Of special interest are the... (More) - A common floor construction in a lightweight building system is using chipboard plates attached to wooden beams using screws and glue. One drawback with such a system is the propagation of vibrations stemming either from harmonic (washing machines, dishwashers, HiFi-systems) especially at low frequencies and/or transient (Human walking, dropped items, slamming doors) excitations. In order to accurately predict the sound attenuation and the losses of such building systems, computationally accurate and efficient simulation techniques are needed.
The main objective of this work is to examine sandwiched floor constructs consisting of one and two layers of chipboards attached to supporting wooden beams. Of special interest are the effects of the discontinuities between adjacent boards and between the boards and beams on the loss of kinetic energy as a consequence of the evanescent wave propagation due to the acoustic attenuation process in the structure and on the phase shift of the waves as they travel past the different types of discontinuities in the floor assembly.
The measurements are performed using two-axis accelerometers distributed over the floor and recorded synchronously. The measurements are focused in the low frequency range (10-600Hz) and are also including transient loads. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1665883
- author
- Sjöström, Anders LU ; Bard, Delphine LU ; Persson, Kent LU and Sandberg, Göran LU
- organization
- publishing date
- 2010
- type
- Contribution to conference
- publication status
- published
- subject
- keywords
- Accelerometers, Discontinuities, Sandwiched floor, Finite element modeling, Measurements, Attenuation, Vibrations, Lightweight floor assemblies
- pages
- 6 pages
- conference name
- EAA EUROREGIO 2010
- conference location
- Ljubljana, Slovenia
- conference dates
- 2010-09-15 - 2010-09-18
- language
- English
- LU publication?
- yes
- id
- 0ccde84b-735f-4f1e-ba81-6e355c53bbe8 (old id 1665883)
- date added to LUP
- 2016-04-04 13:24:00
- date last changed
- 2021-03-30 09:34:33
@misc{0ccde84b-735f-4f1e-ba81-6e355c53bbe8,
abstract = {{A common floor construction in a lightweight building system is using chipboard plates attached to wooden beams using screws and glue. One drawback with such a system is the propagation of vibrations stemming either from harmonic (washing machines, dishwashers, HiFi-systems) especially at low frequencies and/or transient (Human walking, dropped items, slamming doors) excitations. In order to accurately predict the sound attenuation and the losses of such building systems, computationally accurate and efficient simulation techniques are needed.<br/><br>
The main objective of this work is to examine sandwiched floor constructs consisting of one and two layers of chipboards attached to supporting wooden beams. Of special interest are the effects of the discontinuities between adjacent boards and between the boards and beams on the loss of kinetic energy as a consequence of the evanescent wave propagation due to the acoustic attenuation process in the structure and on the phase shift of the waves as they travel past the different types of discontinuities in the floor assembly.<br/><br>
The measurements are performed using two-axis accelerometers distributed over the floor and recorded synchronously. The measurements are focused in the low frequency range (10-600Hz) and are also including transient loads.}},
author = {{Sjöström, Anders and Bard, Delphine and Persson, Kent and Sandberg, Göran}},
keywords = {{Accelerometers; Discontinuities; Sandwiched floor; Finite element modeling; Measurements; Attenuation; Vibrations; Lightweight floor assemblies}},
language = {{eng}},
title = {{Experimental Structural Acoustic investigation of a lightweight floor structure}},
url = {{https://lup.lub.lu.se/search/files/6110437/1665905.pdf}},
year = {{2010}},
}