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Moisture in Self-levelling Flooring Compounds. Part I. Water Vapour Diffusion Coefficients

Anderberg, Anders LU and Wadsö, Lars LU (2004) In Nordic Concrete Research Publication 32(2/2004). p.3-15
Abstract (Swedish)
Abstract in Undetermined

Diffusion coefficients of three self-levelling flooring compounds (SLC) and water vapour resistance of a primer have been measured with the cup method. The results show that the diffusion coefficient is dependent not only on the vapour content (relative humidity), but also on the absolute moisture content, i.e., there is a hysteresis effect on moisture transport. At RH lower than approximately 90 %, SLC have higher diffusion coefficients than a standard concrete (w/c 0.7 OPC), but the opposite is true at higher RH. This can be explained by the fact that SLC have different pore structure than concrete. The latter may also be an effect of the high amount of polymer in SLC that form a film throughout... (More)
Abstract in Undetermined

Diffusion coefficients of three self-levelling flooring compounds (SLC) and water vapour resistance of a primer have been measured with the cup method. The results show that the diffusion coefficient is dependent not only on the vapour content (relative humidity), but also on the absolute moisture content, i.e., there is a hysteresis effect on moisture transport. At RH lower than approximately 90 %, SLC have higher diffusion coefficients than a standard concrete (w/c 0.7 OPC), but the opposite is true at higher RH. This can be explained by the fact that SLC have different pore structure than concrete. The latter may also be an effect of the high amount of polymer in SLC that form a film throughout the material and thereby limits capillary moisture transport. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
moisture transport, water vapour, self-levelling flooring compound, cup method, diffusion coefficient.
in
Nordic Concrete Research
volume
Publication 32
issue
2/2004
pages
3 - 15
publisher
Norsk Betongforening
ISSN
0800-6377
language
English
LU publication?
yes
id
0ecf1daf-9329-4755-afce-7bc721d76da4 (old id 1495086)
date added to LUP
2009-10-21 11:41:09
date last changed
2016-04-16 07:11:05
@article{0ecf1daf-9329-4755-afce-7bc721d76da4,
  abstract     = {<b>Abstract in Undetermined</b><br/><br>
Diffusion coefficients of three self-levelling flooring compounds (SLC) and water vapour resistance of a primer have been measured with the cup method. The results show that the diffusion coefficient is dependent not only on the vapour content (relative humidity), but also on the absolute moisture content, i.e., there is a hysteresis effect on moisture transport. At RH lower than approximately 90 %, SLC have higher diffusion coefficients than a standard concrete (w/c 0.7 OPC), but the opposite is true at higher RH. This can be explained by the fact that SLC have different pore structure than concrete. The latter may also be an effect of the high amount of polymer in SLC that form a film throughout the material and thereby limits capillary moisture transport.},
  author       = {Anderberg, Anders and Wadsö, Lars},
  issn         = {0800-6377},
  keyword      = {moisture transport,water vapour,self-levelling flooring compound,cup method,diffusion coefficient.},
  language     = {eng},
  number       = {2/2004},
  pages        = {3--15},
  publisher    = {Norsk Betongforening},
  series       = {Nordic Concrete Research},
  title        = {Moisture in Self-levelling Flooring Compounds. Part I. Water Vapour Diffusion Coefficients},
  volume       = {Publication 32},
  year         = {2004},
}