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Institute
Integrated Vibro-Acoustical Design Optimization of Mult
i-storey Buildings
Andreas Rabold
1
, Stefan Kollmannsberger
2
, Ernst Rank
2
1
ift Rosenheim, 83026 Rosenheim, Germany, Email: ra
bold@ift-rosenheim.de
2
Technische Universität München, 80290 München, Ger
many, Email: kollmannsberger@bv.tum.de
Introduction
Timber
buildings
have
been
pioneering
building
constructions in terms of energy conservation and r
esource
efficiency. Low-energy-consumption or so called pas
sive-
houses built of timber are known to combine an
environmentally-friendly construction principle wit
h high
expectations on aesthetics and modern architecture.
The
number of multi-storey residential buildings erecte
d in
timber construction has been steadily increasing in
the last
few years, also in urban areas and centres.
Compared to similar construction projects built in
concrete
the design of a multi-storey building in timber con
struction
is more demanding and challenging to the architect
and
construction engineer. Reasons for this are tougher
requirements on fire safety regulations in these bu
ildings as
well as the absence of sufficient realized examples
and
design tools for the proof of performance of vibrat
ion
control and sound insulation. In a current project
[1] these
design tools shall be further developed by using a
combination of FEM and SEA for the proof of perform
ance.
SEA based prediction for integrated vibroacoustical design optimization of multi-storey buildings
(2015)
In order to enable the design of a multi-storey timbe
r building with respect to the requirements or
recommendations for an enhanced acoustic comfort, a c
ollaboration of various experts is required
during the design process creating their own indivi
dual building models.
A simplification of the
design process and the procedure of verification co
uld be achieved if all of the experts involved
work on one single CAD based Building Information Mo
del (BIM). The required design tools
(FEM and SEA for the acoustic computation) can be di
rectly coupled to the BIM.
For this
purpose, it is necessary to allocate much more valid
ated input data for timber building elements.