Methods for measuring relative humidity (RH) in concrete floors - development and uncertainties
Författare
Redaktör
- Klaus Kupfer
Summary, in English
An RH method was proposed in the late 1970s to replace the traditional CM-method in Sweden and from 1984 the RH-method is the dominating method to measure moisture in concrete floors before applying a moisture sensitive floor covering. The required total uncertainty must be smaller than 2-3 % RH depending on the method used. The paper describes the historical development of RH measurements in concrete materials and structures as such and the development in Sweden for concrete floors during some 30 years. A number of decisive parameters are discussed and quantified such as sampling techniques, sample size, sample properties, moisture capacity of sensors and probes, calibration, drift of sensors and various temperature effects.
Avdelning/ar
Publiceringsår
2010
Språk
Engelska
Sidor
406-413
Publikation/Tidskrift/Serie
First European Conference on Moisture Measurement
Fulltext
Dokumenttyp
Konferensbidrag
Ämne
- Materials Engineering
Nyckelord
- relative humidity
- concrete floors
- samples
- holes
Conference name
Aquametry 2010
Conference date
2010-10-05 - 2010-10-07
Conference place
Weimar, Germany
Status
Published