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- Title
Study on interfacial performance of ordinary concrete composite structure strengthened by ultra-high performance concrete —A review.
- Authors
Ya, Lu; Xinhua, Song; Renyuan, Du; Dongsheng, Song; Songbai, Liu; Wei, Xu; Xiangguo, Wu
- Abstract
Ultra-high performance concrete (UHPC) is widely used in the field of reinforcement due to its high tensile strength, compressive strength and durability. The common force of the interface between old and new materials is the key problem to be solved urgently in the reinforced structure. Therefore, aiming at the problem of interface properties of UHPC reinforced Normal concrete (NC) composite structure, and this review reviews the latest progress in three aspects of interface mechanical properties, interface microscopic properties and interface durability of UHPC reinforced NC. Among them, the mechanical properties of the interface include the constrained shrinkage force properties and the interface bonding force properties. The microstructure properties of the interface include the microstructure observation test method and the microstructure structure model. The durability of the interface includes the carbonation resistance prediction model, freezing resistance and impermeability. In addition, based on the existing research, this paper puts forward some suggestions on strengthening NC with UHPC.
- Subjects
COMPOSITE structures; CONCRETE; REINFORCED concrete; COMPRESSIVE strength; TENSILE strength
- Publication
Advances in Structural Engineering, 2023, Vol 26, Issue 15, p2797
- ISSN
1369-4332
- Publication type
Article
- DOI
10.1177/13694332231192787