Experimental study on the prediction model of carbonization depth in high Ti-bearing blast furnace slag concrete

Wang Jie; Li Gen; Liang Yuehua; Gan Bin; Zhao Yi

doi:10.7513/j.issn.1004-7638.2022.02.016

Volume 43 Issue 2

May 2022

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2022 > 43(2): 101-106

Wang Jie, Li Gen, Liang Yuehua, Gan Bin, Zhao Yi. Experimental study on the prediction model of carbonization depth in high Ti-bearing blast furnace slag concrete[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(2): 101-106. doi: 10.7513/j.issn.1004-7638.2022.02.016

Citation:

Wang Jie, Li Gen, Liang Yuehua, Gan Bin, Zhao Yi. Experimental study on the prediction model of carbonization depth in high Ti-bearing blast furnace slag concrete[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(2): 101-106. doi: 10.7513/j.issn.1004-7638.2022.02.016

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Experimental study on the prediction model of carbonization depth in high Ti-bearing blast furnace slag concrete

doi: 10.7513/j.issn.1004-7638.2022.02.016

Wang Jie¹,
Li Gen²,
Liang Yuehua^{1
,
,},
Gan Bin³,
Zhao Yi²

1.
College of Civil and Architectural Engineering, Panzhihua University, Panzhihua 617000, Sichuan, China
2.
China 19th Metallurgical Group Co., Ltd., Panzhihua 617000, Sichuan, China
3.
Sichuan Provincial Key Lab. of Process Equipment and Control, Yibin 643002, Sichuan, China

Received Date: 2021-07-18
Available Online: 2022-05-11
Publish Date: 2022-04-28

Abstract

Abstract

Reinforcement corrosion caused by concrete carbonation is the main reason of durability failure of concrete structures. In order to study the carbonation resistance of Panzhihua high-titanium blast furnace slag concrete, we herein carried out the indoor accelerated carbonation test of high-titanium blast furnace slag concrete with different strength at different carbonation time. The results show that the lower the strength of high-titanium blast furnace slag concrete, the easier it is to be corroded by carbon dioxide. The longer the carbonation time, the more obvious the carbonation phenomenon. Based on Fick’s first law, a model for predicting the carbonation depth of high-titanium blast furnace slag concrete is established according to the strength and carbonation time of high-titanium blast furnace slag concrete. By comparing with the experimental results, the accuracy of the prediction model is verified.
- high-titanium blast furnace slag,
- concrete,
- carbonation depth,
- prediction model

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References(29)

References

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