Prediction Model of Concrete Carbonation Depth under the Combined Actions of Stress - Details

Author：

Tang, Guanbao (Tang, Guanbao.) | Yao, Yan (Yao, Yan.) (Scholars：姚燕) | Wang, Ling (Wang, Ling.) | Cao, Yin (Cao, Yin.) | Cui, Suping (Cui, Suping.) (Scholars：崔素萍)

Indexed by：

EI CSCD

Abstract：

The　gas　permeability　coefficient　and　CO2　diffusion　coefficient　of　concrete　under　load　were　investigated　and　the　relationship　between　the　aforementioned　two　parameters　was　established.　Further,　on　the　basis　of　the　carbonation　model　based　on　Fick＇s　first　law　of　diffusion,　a　new　prediction　model　of　concrete　carbonation　depth　using　the　gas　permeability　coefficient　as　the　characteristic　parameter　was　proposed　and　verified,　and　it　was　named　CDep-GPL.　The　results　show　good　consistency　between　the　calculated　values　and　the　tested　ones.　The　CDep-GPL　model　can　be　used　to　predict　the　carbonation　depth　of　concrete　under　load.　©　2020,　Editorial　Department　of　Journal　of　Building　Materials.　All　right　reserved.

Keyword：

Forecasting Concretes Carbonation Gas permeability Predictive analytics

Author Community：

[ 1 ] [Tang, Guanbao]College of Materials Science and Engineering, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Tang, Guanbao]State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing; 100024, China
[ 3 ] [Yao, Yan]State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing; 100024, China
[ 4 ] [Wang, Ling]State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing; 100024, China
[ 5 ] [Cao, Yin]State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing; 100024, China
[ 6 ] [Cui, Suping]College of Materials Science and Engineering, Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address：

姚燕
[yao, yan]state key laboratory of green building materials, china building materials academy, beijing; 100024, china

Email：

cbmayaoyan@163.com

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