Acta Metallurgica Sinica (English Letters) ›› 2017, Vol. 30 ›› Issue (4): 399-408.DOI: 10.1007/s40195-017-0552-0
Special Issue: 2017腐蚀虚拟专辑
• Orginal Article • Previous Articles
Chao-Yang Gong1,2, Xiao-Yong He1, Yong-Wei Li1, Si-Zhe He1, Xuan Cheng1,2(), Liu-Ying Huang1,2, Ying Zhang1,2, Jiu-Bin Chen3, Shao-Hui Xu3, Jian-Bin Zhang3, Chao Zeng3
Received:
2017-02-21
Revised:
2017-02-21
Online:
2017-02-21
Published:
2017-05-17
Chao-Yang Gong, Xiao-Yong He, Yong-Wei Li, Si-Zhe He, Xuan Cheng, Liu-Ying Huang, Ying Zhang, Jiu-Bin Chen, Shao-Hui Xu, Jian-Bin Zhang, Chao Zeng. Long-term Field Corrosion Monitoring in Supporting Structures of China Xiamen Xiangan Subsea Tunnel[J]. Acta Metallurgica Sinica (English Letters), 2017, 30(4): 399-408.
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Fig. 1 Schematic representations of three onsite corrosion monitoring locations selected in the supporting structures of Xiamen Xiangan Subsea Tunnel. a Side view; b top view
Fig. 2 Positions and directions of the sensor embedment in the monitoring section. Sensor positions: 1 vault; 2 left; 3 right; sensor directions: A-C-E: faced to tunnel; B-D-F: opposite to tunnel
Fig. 3 Photographs showing the field installations of CorroWatch sensor and ERE-20 reference electrode a, b, the CorroWatch sensor consisting of four anodes and one ring cathode c
Fig. 4 Typical corrosion currents and potentials obtained from the onsite measurements by means of CorroWatch sensors at the same location of Enter I-A. a, b Screenshots on September 26, 2008; c, d plots on June 5, 2016
Fig. 5 Typical real-time corrosion currents a, c and potentials b, d measured for the first 20 points on February 28, 2016 at different locations. a, b Enter II-A; c, d Exit-C. The insets in a, c are the Icorr(1-3) responses at an enlarged scale
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