期刊论文

Yang, YM

英文

Metals

2075-4701

2023

13

8

1489-

10.3390/met13081489

Conceptualization, R.Y.; methodology, R.Y., X.Z. and X.W.; software, R.Y.; validation, R.Y. and Y.Y.; writing—original draft preparation, R.Y. and Y.Y.; writing—review and editing, R.Y., Y.Y., X.Z. and X.W.; supervision, X.Z. and X.W.; funding acquisition, R.Y., Y.Y. and X.W. All authors have read and agreed to the published version of the manuscript. This research was funded by the National Natural Science Foundation of China (Grant No. 52208166), the Science and Technology Innovation Program of Hunan Province (2022RC1186), the Hunan Provincial Natural Science Foundation of China (grant no. 2021JJ50156, 2022JJ40024, and 2021JJ50153), the Research Foundation of Education Bureau of Hunan Province (grant no. 21B0723), the Open Fund of Key Laboratory of Safety Control of Bridge Engineering, Ministry of Education (Changsha University of Science & Technology) (21KB03), the Open Project of State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure (East China Jiaotong University) (HJGZ2022108), and the Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province.

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To understand the secondary transfer performances of residual prestress after the anchoring failure of end-anchored steel wire strands due to corrosion fracture, six steel wire strand components of post-tensioning prestress were designed and fabricated. One-side fast corrosion was applied to the steel wire strand components using the electrochemical method until anchoring failure was reached. The sphere of influence, stress changes, and the retraction and swelling effect of broken beams after failure were investigated. The influences of factors such as concrete strength, stirrup area, and the ...