Development of anti-corrosion technique of CFRP strengthened steel structures and durability prediction under atmospheric environment

About this project

Japan Grant Number
JP19K15074
Funding Program
Grants-in-Aid for Scientific Research
Funding organization
Japan Society for the Promotion of Science
Project/Area Number
19K15074
Research Category
Grant-in-Aid for Early-Career Scientists
Allocation Type
  • Multi-year Fund
Review Section / Research Field
  • Basic Section 22020:Structure engineering and earthquake engineering-related
Research Institution
  • Kyushu University
Project Period (FY)
2019-04-01 〜 2022-03-31
Project Status
Completed
Budget Amount*help
4,290,000 Yen (Direct Cost: 3,300,000 Yen Indirect Cost: 990,000 Yen)

Research Abstract

The research aims to investigate the galvanic corrosion mechanism of CFRP strengthened steel structures under atmospheric environment. Typical atmospheric environments would be assessed, by evaluating the adhesive failure and galvanic corrosion behaviors of CFRP-steel bonding system in field tests. With considering the compound effects of multiple coupling factors, the targeted anti-corrosion technique for CFRP strengthened steel structure could be developed. Finally, durability prediction would be carried out combined with the update of safety criteria for CFRP strengthened steel structures.

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