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A pragmatic approach to incorporate the effect of thermal bridging within the EPBD-regulation

Staf Roels, Mieke Deurinck, Marc Delghust UGent, Arnold Janssens UGent and Dirk Van Orshoven (2011) Proceedings of the 9th Nordic symposium on building physics (NSB 2011). 3. p.1009-1016
abstract
Even for low energy and passive houses, the influence of thermal bridges occurring in the building envelope can be of major importance for the global energy performance of the building. As a result, the impact of thermal bridges is taken into account in the energy performance regulation of most European countries. The most accurate method is calculating the linear or point heat transmission coefficient of each thermal bridge and multiply it with the respective length or number. To avoid the time consuming numerical assessment of each detail of the building envelope, several European countries also allow a simplified approach based on thermal bridge atlases or default values. In most cases, these alternatives are only limited applicable and still require the intensive task of calculating the length and number of all thermal bridges. To avoid this, while at the same time still promoting good thermal detailing, a pragmatic approach has been developed in the framework of the Belgian energy performance regulation. In this approach, which is in addition to a detailed analysis, no calculation is necessary – even no lengths or numbers of thermal bridges have to be calculated – if all details are in agreement with some basic rules. The rules are written in such a way that the acceptable solutions of junctions are related to the overall thermal performance of the building. This paper presents the developed methodology and shows the advantages compared to the standard way of dealing with thermal bridging. Not only does the methodology increase the awareness of thermal bridging amongst architects and engineers; the developed basic rules are also easy to apply and can be checked during design and realization phase of the building.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
PathB2010, pragmatic building regulation, EPBD, EPBridge, thermal bridges
in
Proceedings of the 9th Nordic symposium on building physics (NSB 2011)
editor
Juha Vinha, Jarkko Piironen and Kati Salminen
volume
3
article number
C02_5
pages
1009 - 1016
publisher
Tampere University of Technology. Department of Civil Engineering
place of publication
Tampere, Finland
conference name
9th Nordic symposium on Building Physics (NSB 2011)
conference location
Tampere, Finland
conference start
2011-05-29
conference end
2011-06-02
ISBN
9789521525773
9789521525735
9789521525766
project
PathB2010
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1253507
handle
http://hdl.handle.net/1854/LU-1253507
date created
2011-06-06 14:48:14
date last changed
2017-01-02 09:53:00
@inproceedings{1253507,
  abstract     = {Even for low energy and passive houses, the influence of thermal bridges occurring in the building envelope can be of major importance for the global energy performance of the building. As a result, the impact of thermal bridges is taken into account in the energy performance regulation of most European countries. The most accurate method is calculating the linear or point heat transmission coefficient of each thermal bridge and multiply it with the respective length or number. To avoid the time consuming numerical assessment of each detail of the building envelope, several European countries also allow a simplified approach based on thermal bridge atlases or default values. In most cases, these alternatives are only limited applicable and still require the intensive task of calculating the length and number of all thermal bridges. To avoid this, while at the same time still promoting good thermal detailing, a pragmatic approach has been developed in the framework of the Belgian energy performance regulation. In this approach, which is in addition to a detailed analysis, no calculation is necessary -- even no lengths or numbers of thermal bridges have to be calculated -- if all details are in agreement with some basic rules. The rules are written in such a way that the acceptable solutions of junctions are related to the overall thermal performance of the building. This paper presents the developed methodology and shows the advantages compared to the standard way of dealing with thermal bridging. Not only does the methodology increase the awareness of thermal bridging amongst architects and engineers; the developed basic rules are also easy to apply and can be checked during design and realization phase of the building.},
  articleno    = {C02\_5},
  author       = {Roels, Staf and Deurinck, Mieke and Delghust, Marc and Janssens, Arnold and Van Orshoven, Dirk},
  booktitle    = {Proceedings of the 9th Nordic symposium on building physics (NSB 2011)},
  editor       = {Vinha, Juha and Piironen, Jarkko and Salminen, Kati},
  isbn         = {9789521525773},
  keyword      = {PathB2010,pragmatic building regulation,EPBD,EPBridge,thermal bridges},
  language     = {eng},
  location     = {Tampere, Finland},
  pages        = {C02\_5:1009--C02\_5:1016},
  publisher    = {Tampere University of Technology. Department of Civil Engineering},
  title        = {A pragmatic approach to incorporate the effect of thermal bridging within the EPBD-regulation},
  volume       = {3},
  year         = {2011},
}

Chicago
Roels, Staf, Mieke Deurinck, Marc Delghust, Arnold Janssens, and Dirk Van Orshoven. 2011. “A Pragmatic Approach to Incorporate the Effect of Thermal Bridging Within the EPBD-regulation.” In Proceedings of the 9th Nordic Symposium on Building Physics (NSB 2011), ed. Juha Vinha, Jarkko Piironen, and Kati Salminen, 3:1009–1016. Tampere, Finland: Tampere University of Technology. Department of Civil Engineering.
APA
Roels, Staf, Deurinck, M., Delghust, M., Janssens, A., & Van Orshoven, D. (2011). A pragmatic approach to incorporate the effect of thermal bridging within the EPBD-regulation. In J. Vinha, J. Piironen, & K. Salminen (Eds.), Proceedings of the 9th Nordic symposium on building physics (NSB 2011) (Vol. 3, pp. 1009–1016). Presented at the 9th Nordic symposium on Building Physics (NSB 2011), Tampere, Finland: Tampere University of Technology. Department of Civil Engineering.
Vancouver
1.
Roels S, Deurinck M, Delghust M, Janssens A, Van Orshoven D. A pragmatic approach to incorporate the effect of thermal bridging within the EPBD-regulation. In: Vinha J, Piironen J, Salminen K, editors. Proceedings of the 9th Nordic symposium on building physics (NSB 2011). Tampere, Finland: Tampere University of Technology. Department of Civil Engineering; 2011. p. 1009–16.
MLA
Roels, Staf, Mieke Deurinck, Marc Delghust, et al. “A Pragmatic Approach to Incorporate the Effect of Thermal Bridging Within the EPBD-regulation.” Proceedings of the 9th Nordic Symposium on Building Physics (NSB 2011). Ed. Juha Vinha, Jarkko Piironen, & Kati Salminen. Vol. 3. Tampere, Finland: Tampere University of Technology. Department of Civil Engineering, 2011. 1009–1016. Print.