水泥基材料中钢筋脱钝临界氯离子浓度的加速测试装置及方法

doi:10.11896/cldb.21030054

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Abstract Anew accelerated test device for critical chloride content of steel depassivation in cement-based materials was developed based on chloride migration system and electrochemical test system. Variations of open-circuit potential, polarization resistance and corrosion current density during steel depassivation process in concrete and mortar were tested. Meanwhile, the quantitative discriminant criterion of steel despassivation was proposed. Moreover, the critical chloride contents of steel despassivation in concrete and mortar were tested. Analysis results show that the invented test device and test method for critical chloride content can not only accelerate the chloride transport process in cement-based materials by electromigration to shorten the test time, but also quantitatively determine whether steel despassivation occurs of end test face, avoiding the test error caused by the traditional test method,which qualitatively judges whether the steel despassivation occurs of surrounding test face according to the specific values or variations of corrosion electrochemical parameters.

Key words： cement-based material steel despassivation critical chloride content test device quantitative discriminant criterion

Published: 10 February 2023 Online: 2023-02-23

CLC number:

TU528.01

Fund:The National Natural Science Foundation of China (52278162, 62266005, 51738004), Guangxi Science Fund for Distinguished Young Scholars (2019GXNSFFA245004), Natural Science Foundation of Guangxi Province (2018GXNSFAA281344) and Innovation Project of Guangxi Graduate Education (YCSW2021026).

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	Articles by authors
	YU Bo
	HUANG Junming
	LU Jinma
	YANG Lufeng

Cite this article:

YU Bo,HUANG Junming,LU Jinma, et al. Accelerated Test Device and Method for Critical Chloride Content of Steel Depassivation in Cement-based Materials[J]. Materials Reports, 2023, 37(3): 21030054-6.

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http://www.mater-rep.com/EN/10.11896/cldb.21030054 OR http://www.mater-rep.com/EN/Y2023/V37/I3/21030054

1 Thomas M.Cement and Concrete Research, 1996, 26(4), 513.
2 Mohammed T, Hamada H. ACI Materials Journal, 2006, 103, 233.
3 Song X B, Kong Q M, Liu X L.China Civil Engineering Journal, 2007, 40(11), 59(in Chinese).
宋晓冰, 孔启明, 刘西拉. 土木工程学报, 2007, 40(11), 59.
4 Alonso C, Andrade C, Castellote M, et al. Cement and Concrete Research, 2000, 30(7),1047.
5 Oh B H, Jang S Y, Shin Y S. Magazine of Concrete Research, 2003, 55(2), 117.
6 Gan W Z, Jin W L, Gao M Z. Journal of Building Materials, 2011, 32(2), 41(in Chinese).
干伟忠, 金伟良, 高明赞. 建筑结构学报, 2011, 32(2), 41.
7 Wang Y Z, Liu C X, Wang Y C, et al.Construction and Building Mate-rials, 2019, 214, 158.
8 Shi J J, Sun W.Journal of Southeast University (Natural Science Edition), 2011, 41(5), 1042(in Chinese).
施锦杰, 孙伟.东南大学学报(自然科学版), 2011, 41(5), 1042.
9 Fakhri H, Fishman K L, Ranade R.Construction and Building Materials, 2021, 268, 121.
10 Millard S G, Law D, Bungey J H, et al. Ndt & E International, 2001, 34 (6),409.
11 Da B, Yu H F, Ma H Y, et al. Materials Reports B:Research Papers, 2019, 33(6), 2002 (in Chinese).
达波, 余红发, 麻海燕,等. 材料导报:研究篇, 2019, 33(6), 2002.
12 Niu D T, Sun Z, Zhang L, et al. Journal of Building Materials, 2021, 24(5), 977 (in Chinese).
牛荻涛, 孙振, 张路, 等. 建筑材料学报, 2021, 24(5), 977.
13 Zuo X B, Li X N, Liu Z Y, et al.Construction and Building Materials, 2019, 229, 116907.
14 Zheng H B, Dai J G, Li W H, et al.Construction and Building Materials, 2018, 166, 572.
15 Shang B H, Ma Y T, Meng M J.Materials and Corrosion, 2018, 69(12), 1800.
16 Liu G J, Zhang Y S, Ni Z W.Construction and Building Materials, 2016, 115,1.
17 Chen Z, Yang L F, Zeng J C.New Building Materials, 2010, 37(10), 73(in Chinese).
陈正, 杨绿峰, 曾建聪.新型建筑材料, 2010, 37(10), 73.