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The seismic strengthening of concrete structures by ultrahigh-performance concrete
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Cited 2 time in Scopus
- Authors
- Issue Date
- 2019
- Publisher
- Springer
- Citation
- Concrete Structures in Earthquake, pp.283-308
- Abstract
- This paper investigates the behavior of concrete walls and columns strengthened by ultrahigh-performance concrete (UHPC). UHPC has been one of the promising construction materials of high strength and durability with high flow at placing. The jacketing methods using UHPC with/without textile reinforcement to increase sectional area for existing concrete walls and columns are demonstrated seismic strengthening efficiency in strength and ductility by the experimental programs in the paper. To ensure the interface shear strength between UHPC and original concrete, a series of slant shear test programs was performed and analyzed for design strength. This paper also compares with analytical approaches for verification of upgrading. Based on this research, some design equations for seismic jacketing are proposed.
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