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Drying potential of wood frame walls subjected to accidental water infiltration

Marijke Steeman (UGent) , Nathan Van Den Bossche (UGent) and Klaas Calle (UGent)
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Abstract
Woodframe construction is the most widespread building method. In Belgium the number of wood frame buildings has grown in the last years: in 2018over 10% of all new built dwellings were wood frame buildings. This increase can be partly attributed to the growing attention for energy performant buildings with a low environmental impact.In contrary to masonry construction, wood frame is more vulnerable to moisture problems, mould growth and wood rot. An important risk is water infiltrationthrough imperfections in the building envelope as a result of driving rain. Therefore it is important for the design to be resilientand allow drying without consequential damage.To analyze the drying potential, an experimental set-up with 8 wood frame compartments was built. The compartments differ in the type of insulation material (mineral wool or cellulose) and the type of vapour retarder (OSB or smart vapour retarder) that were used. In this way 4 types of compartments were obtained, each having a different combination of insulation and vapour retarder. Of each combination there are 2 identical compartments. This allowsto insert water in one of both, to mimic rain water infiltration from the outside into the compartment. Temperature, relative humidity and moisture content were measured on different locations in the construction (in total 92 sensors). In this way, the hygrothermal performance of the compartments with and without water infiltration can be analyzed, as well as the drying rate.
Keywords
WoodFrame Construction, Measurements, Drying, Water Infiltration

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MLA
Steeman, Marijke, et al. “Drying Potential of Wood Frame Walls Subjected to Accidental Water Infiltration.” XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings, edited by C. Serrat et al., International Center for Numerical Methods in Engineering (CIMNE), 2020, pp. 945–52, doi:10.23967/dbmc.2020.039.
APA
Steeman, M., Van Den Bossche, N., & Calle, K. (2020). Drying potential of wood frame walls subjected to accidental water infiltration. In C. Serrat, J. R. Casas, & V. Gibert (Eds.), XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings (pp. 945–952). Barcelona: International Center for Numerical Methods in Engineering (CIMNE). https://doi.org/10.23967/dbmc.2020.039
Chicago author-date
Steeman, Marijke, Nathan Van Den Bossche, and Klaas Calle. 2020. “Drying Potential of Wood Frame Walls Subjected to Accidental Water Infiltration.” In XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings, edited by C. Serrat, J. R. Casas, and V. Gibert, 945–52. Barcelona: International Center for Numerical Methods in Engineering (CIMNE). https://doi.org/10.23967/dbmc.2020.039.
Chicago author-date (all authors)
Steeman, Marijke, Nathan Van Den Bossche, and Klaas Calle. 2020. “Drying Potential of Wood Frame Walls Subjected to Accidental Water Infiltration.” In XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings, ed by. C. Serrat, J. R. Casas, and V. Gibert, 945–952. Barcelona: International Center for Numerical Methods in Engineering (CIMNE). doi:10.23967/dbmc.2020.039.
Vancouver
1.
Steeman M, Van Den Bossche N, Calle K. Drying potential of wood frame walls subjected to accidental water infiltration. In: Serrat C, Casas JR, Gibert V, editors. XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings. Barcelona: International Center for Numerical Methods in Engineering (CIMNE); 2020. p. 945–52.
IEEE
[1]
M. Steeman, N. Van Den Bossche, and K. Calle, “Drying potential of wood frame walls subjected to accidental water infiltration,” in XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings, Barcelona, Spain, 2020, pp. 945–952.
@inproceedings{8678615,
  abstract     = {Woodframe construction is the most widespread building method. In Belgium the number of wood frame buildings has grown in the last years: in 2018over 10% of all new built dwellings were wood  frame  buildings.  This  increase  can  be  partly attributed  to  the  growing  attention  for  energy performant  buildings  with  a  low  environmental  impact.In  contrary  to  masonry  construction,  wood frame is more vulnerable to moisture problems, mould growth and wood rot. An important risk is water infiltrationthrough imperfections  in the  building  envelope  as  a  result of  driving  rain.  Therefore  it  is important for the design to be resilientand allow drying without consequential damage.To analyze the drying potential, an experimental set-up with 8 wood frame compartments was built. The compartments differ in the type of insulation material (mineral wool or cellulose) and the type of vapour retarder (OSB or  smart  vapour  retarder)  that  were  used.  In  this  way  4  types  of  compartments  were  obtained,  each having  a  different  combination  of  insulation  and  vapour  retarder.  Of  each  combination  there are  2 identical compartments. This allowsto insert water in one of both, to mimic rain water infiltration from the outside into the compartment. Temperature, relative humidity and moisture content were measured on  different  locations  in  the  construction  (in  total  92  sensors). In  this  way,  the hygrothermal performance of the compartments with and without water infiltration can be analyzed, as well as the drying rate.},
  author       = {Steeman, Marijke and Van Den Bossche, Nathan and Calle, Klaas},
  booktitle    = {XV International Conference on Durability of Building Materials and Components, (DBMC 2020), Proceedings},
  editor       = {Serrat, C. and Casas, J. R. and Gibert, V.},
  isbn         = {9788412110180},
  keywords     = {WoodFrame Construction,Measurements,Drying,Water Infiltration},
  language     = {eng},
  location     = {Barcelona, Spain},
  pages        = {945--952},
  publisher    = {International Center for Numerical Methods in Engineering (CIMNE)},
  title        = {Drying potential of wood frame walls subjected to accidental water infiltration},
  url          = {http://dx.doi.org/10.23967/dbmc.2020.039},
  year         = {2020},
}

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