Corrosion Damage Evolution Study of the Offshore Cable-Stayed Bridge Anchorage System Based on Accelerated Corrosion Test
Abstract
:1. Introduction
2. Tests
2.1. Accelerated Corrosion Test
Number | Reagents Name | Specification | Technical Parameters | Quantity |
---|---|---|---|---|
1 | NaCl | 500 g/bottle | AR | 40 |
2 | CuCl2·2H2O | 500 g/bottle | AR | 2 |
3 | CH3COOH | 500 mL/bottle | AR | 8 |
2.2. Anchorage System Dissection Test
2.2.1. Basic Parameters
2.2.2. Dissection
3. Results and Analysis
3.1. Anchor Cup, Connecting Barrel and Filling Medium
3.2. Corroded Cable Steel Wires
3.2.1. Morphology and Weight Loss
3.2.2. Space Distribution
3.2.3. Mechanical Properties
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Number | Equipment Name | Model | Technical Parameters | Quantity |
---|---|---|---|---|
1 | Salt spray test chamber | YC-200 | Geometric dimension: 2700 mm × 1500 mm × 1500 mm | 1 |
2 | Precision acidity measuring instrument | PHS-3C | 1 | |
3 | Air compressor | VB-0.2/8 | 2.2 kW | 1 |
4 | Electronic balance | SL500ZN | Precision: 0.01 g | 1 |
5 | Industrial digital microscope | SK2700H | 1 | |
6 | Digital camera | CANON EOS | 1 |
Model of Anchorage | External Diameter of Anchor Cup | Length of Anchor Cup | External Diameter of Anchor Ring | Height of Anchor Ring | Weight of Anchorage |
---|---|---|---|---|---|
LM(1770)-7-127 | 240 mm | 450 mm | 310 mm | 135 mm | 140 kg |
Model of Cable | External Diameter of the Cable | Thickness of Sheath | Unit Mass of Cable | Diameter of Naked Cable | Area of Naked Cable | Unit Mass of Naked Cable |
---|---|---|---|---|---|---|
LPES(1770)-7-127-Zn | 109 mm | 9 mm | 41.1 kg/m | 91 mm | 4888 mm2 | 38.4 kg/m |
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Yao, G.; He, X.; Long, H.; Lu, J.; Wang, Q. Corrosion Damage Evolution Study of the Offshore Cable-Stayed Bridge Anchorage System Based on Accelerated Corrosion Test. J. Mar. Sci. Eng. 2023, 11, 896. https://doi.org/10.3390/jmse11050896
Yao G, He X, Long H, Lu J, Wang Q. Corrosion Damage Evolution Study of the Offshore Cable-Stayed Bridge Anchorage System Based on Accelerated Corrosion Test. Journal of Marine Science and Engineering. 2023; 11(5):896. https://doi.org/10.3390/jmse11050896
Chicago/Turabian StyleYao, Guowen, Xuanbo He, Hong Long, Jiangshan Lu, and Qianling Wang. 2023. "Corrosion Damage Evolution Study of the Offshore Cable-Stayed Bridge Anchorage System Based on Accelerated Corrosion Test" Journal of Marine Science and Engineering 11, no. 5: 896. https://doi.org/10.3390/jmse11050896