Influences of Environment Climate Conditions on Concrete Carbonation Rate

Guo Li; Ying Shu Yuan; Xin Liu; Jian Min Du; Fu Min Li

doi:10.4028/www.scientific.net/AMR.194-196.904

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Influences of Environment Climate Conditions on...

Influences of Environment Climate Conditions on Concrete Carbonation Rate

Abstract:

Environment climate conditions are important influencing factors on concrete carbonation rates. Influences of concrete internal microclimate conditions including internal temperature (T) and relative humidity (RH) and external climate conditions including wind speed and wind direction on concrete carbonation rates were studied through laboratory accelerated carbonation experiments. Models based on concrete internal microclimate conditions were established. Results indicate that internal T always present accelerating effects on concrete carbonation rates, while internal RH and pore water saturation degree (PS) show hindering effects on it. Wind direction and wind speed have certain effects on concrete carbonation rate, and the higher wind speed, the higher concrete carbonation rate is. For the same wind speed, carbonation rate is the highest for perpendicular direction.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

904-908

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.904

Citation:

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Online since:

February 2011

Authors:

Guo Li, Ying Shu Yuan, Xin Liu, Jian Min Du, Fu Min Li

Keywords:

Carbonation Rate, Concrete, Environmental Climate, Relative Humidity (RH), Temperature

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