Research Progress of Corrosion Damage and Diagnosis of Prestressed Anchorage Structures in High Slope

ZHU Jie-bing; WANG Xiao-wei

doi:10.11988/ckyyb.20170898

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Journal of Changjiang River Scientific Research Institute ›› 2018, Vol. 35 ›› Issue (11) : 1-6. DOI: 10.11988/ckyyb.20170898

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Research Progress of Corrosion Damage and Diagnosis of Prestressed Anchorage Structures in High Slope

ZHU Jie-bing¹, WANG Xiao-wei^{1, 2}

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Abstract

Since prestressed anchorage structures in high slope are surrounded by complicated environment, the prestressed anchor cable(rod) in slope will damage or fail after long time service caused by comprehensive factors such as electrochemical corrosion, local stress, stress corrosion and others, further resulting in slope failure. Research on corrosion damage and diagnosis of prestressed anchor structures are of great significance. In this paper, the main research findings and advances of prestressed anchorage structures in China and abroad are reviewed from four aspects: corrosion damage mechanism and influential factors of prestressed anchorage structure, non-uniform corrosion behavior, deterioration law under corrosion condition, and corrosion assessment and health diagnosis. The trend and prospect of durability research are also discussed from the above four aspects.

Key words

prestress / anchorage / high slope / corrosion damage / health diagnosis / durability

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ZHU Jie-bing, WANG Xiao-wei. Research Progress of Corrosion Damage and Diagnosis of Prestressed Anchorage Structures in High Slope[J]. Journal of Changjiang River Scientific Research Institute. 2018, 35(11): 1-6 https://doi.org/10.11988/ckyyb.20170898

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