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@PHDTHESIS{Brieden:783314,
author = {Brieden, Matthias},
othercontributors = {Kuhnhenne, Markus and Feldmann, Markus and Holm, Andreas},
title = {{Z}um hygrothermischen {V}erhalten von
{S}tahl-{S}andwichelementen},
volume = {88},
school = {Rheinisch-Westfälische Technische Hochschule Aachen},
type = {Dissertation},
address = {Aachen},
reportid = {RWTH-2020-02438},
series = {Schriftenreihe Stahlbau - RWTH Aachen},
pages = {1 Online-Ressource (299, CDXXVII Seiten) : Illustrationen,
Diagramme},
year = {2019},
note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
University 2020; Dissertation, Rheinisch-Westfälische
Technische Hochschule Aachen, 2019},
abstract = {In the present thesis the hygrothermal behavior of steel
sandwich panels as elements of lightweight metal
constructions is investigated.In addition to normative legal
requirements, both the theoretical and scientific background
as well as the mathematical-physical fundamentals are
presented. Emphasis is placed on an integral
hygrothermal-building physics view. Not only the
standardized design procedures that are fixed in standards
and regulations, but also alternative assessment approaches
are explained. For steel sandwich panels or further
constructions made of lightweight metal, hygrothermal
simulation with numerical methods is proposed to be the
suitably technique. By using hygrothermal simulation
methods, constructions are examined whose increasing
complexity is accompanied by rising relevance for building
practice. In this process, questions and problems are picked
up and investigated, for which solutions up to now
subjectively-intuitive assessments are often known, but
which have not been the subject of objective,
systematic-scientific considerations. On the basis of two
far-reaching parameter studies, initially the focus is on
the individual component "top layer" for steel sandwich
panels. Furthermore, the in-side of the elements and the
drying behavior of the constructional unit "sandwich panel -
longitudinal joint" are examined in detail. A consideration
of hygrothermal aspects for the surface of the structural
unit is also made. In this context not only geometric
parameter are varied, but also effects and performance of
different materials (insulating materials, sealants) as well
as influences of environmental climates on the hygrothermal
behavior are determined. As a basis for the conducted
hygrothermal calculations, the applied numerical method was
validated by means of normative specifications and further
experimental results. The systematic compilation of the
required material properties, as well as the derivation and
deduction of associated material characteristics and
functions is also an essential aspect of the remarks. The
thesis summarizes normative and mathematical foundations. It
presents the associated theory and the detection concepts
derived from it. In addition to the ability to apply the
obtained concrete results on the basis of the specific
examinations in a practical manner, on the one hand the
elaborations on the calculation method and on the other hand
the summarized content on material properties can serve as
starting points for further scientific considerations.},
cin = {312720},
ddc = {624},
cid = {$I:(DE-82)312720_20160614$},
typ = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
doi = {10.18154/RWTH-2020-02438},
url = {https://publications.rwth-aachen.de/record/783314},
}
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