AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Materials and Construction
ANNUAL FLUCTUATION OF INTERNAL TEMPERATURE AND HUMIDITY OF CONCRETE IN A 46-YEAR-OLD RC BUILDING
Kiyofumi NAKADAKoichi MATSUZAWAKatsuyoshi ARIKITadatsugu KAGE
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2023 Volume 29 Issue 72 Pages 645-650

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Abstract

To investigate annual fluctuation of internal temperature and humidity of concrete members, we measured and analyzed them in outer wall and balcony slab in a 46-year-old RC building. The results showed that annual average of internal temperature is higher by 1~6 degree C than air temperature mainly because of solar radiation, which leads to decline of water content and average internal humidity. Increase of internal temperature is also responsible for temporary increase of internal humidity. Comparison of the humidity fluctuation at the same range of internal temperature can enable to evaluate fluctuation of water content.

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© 2023, Architectural Institute of Japan
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