Journal Published Online: 25 August 2009
Volume 6, Issue 8

Concrete Hygrothermal Properties and the Influence of their Variability on Moisture Movement in Concrete Walls

CODEN: JAIOAD

Abstract

The vapor permeability, equilibrium moisture content, hydraulic conductivity, and thermal conductivity of concrete specimens with three different strengths were measured under various conditions of temperature and relative humidity. Based on the measured results, the relationship between hygrothermal properties and strength, and the relationship between hygrothermal properties, water content, and temperature were considered. The variability of measured hygrothermal properties was clarified. Then, to evaluate the influence that the variability of hygrothermal properties has on the hygrothermal behaviors of a concrete wall, a water absorption experiment using a small-scale concrete wall with tile finishing was carried out under constant temperature. The experimental result shows a significantly difference between three specimens in the hygrothermal behaviors, which is partly because of the variability of the hygrothermal properties.

Author Information

Onmura, Sadayuki
Technical Research Institute, Asanuma Corporation, Osaka, Takatsuki-Shi, Japan
Hokoi, Shuichi
Dept. of Architecture and Architectural Engineering, Graduate School of Engineering, Kyoto Univ., Kyoto, Japan
Matsushita, Takayuki
Dept. of Architecture, Graduate School of Engineering, Kobe Univ., Hyogo, Japan
Ogura, Daisuke
Dept. of Architecture and Architectural Engineering, Graduate School of Engineering, Kyoto Univ., Kyoto, Japan
Kominami, Kazuya
General Building Research Corporation of Japan, Osaka, Japan
Yasui, Yoshitaka
Research and Development Dept., Environmental Technology Laboratory, Daikin Industries Ltd., Osaka, Japan
Pages: 20
Price: $25.00
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Stock #: JAI102027
ISSN: 1546-962X
DOI: 10.1520/JAI102027