Experimental assessment of hygrothermal properties of wood-frame wall assemblies - moisture content calibration curve for OSB using moisture pins

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TypeArticle
Journal titleJournal of ASTM International (JAI)
Volume7
Issue1
Pages122; # of pages: 22
SubjectHygrothermal properties
AbstractThis paper reports on the results from experimental tests on seven small-size OSB specimens to establish the correlation between electrical resistance and the moisture content of the OSB. The process required the installation of several moisture pin pairs at different locations on, and depths in the OSB. The weights of specimens together with resistance measurements taken across each pair of moisture pins were continuously monitored and results captured on a data acquisition unit. Details are provided in regard to electrical resistance measurements, the data acquisition unit and method of weighing specimens. The results of the tests provided a simple equation to correlate moisture content of OSB to electrical resistance measurements using moisture pins pairs and as well correlation to moisture measurements using commercially available moisture meter. Given that moisture reading results obtained from commercially available moisture meters typically correlate to a specific wood species, the work completed in these experimental tests can be used to determine moisture contents in OSB from moisture meter readings.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NotePaper ID JAI102091
Peer reviewedYes
NRC number51172
20105
NPARC number20374404
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Record identifier6a965928-0876-4df3-beb0-5e0e3b00beb5
Record created2012-07-23
Record modified2016-05-09
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