AN EXPERIMENTAL INVESTIGATION INTO MOISTURE-INDUCED EXPANSION OF PLASTERS

Radoslav Sovják

Abstract


This paper presents an experimental study on moisture-induced expansion of selected plasters. Contactless measurement is introduced and a coefficient of moisture expansion for different building plasters is established. It is found that stresses which might develop in building materials due to moisture variations are equal to or higher than stresses which might be caused by temperature variations.


Keywords


adsorption; absorption; hygric expansion; hydric expansion; plasters; experimental measurement

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ISSN 1210-2709 (Print)
ISSN 1805-2363 (Online)
Published by the Czech Technical University in Prague