期刊
ADVANCES IN STRUCTURAL ENGINEERING
卷 24, 期 6, 页码 1161-1181出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1369433220968429
关键词
coral aggregate concrete; mechanical property; durability; fiber-reinforced polymer confined CAC; bond
Coral aggregate concrete (CAC) is an economical and eco-friendly construction material that is increasingly important in marine engineering applications. Due to its porous structure and low strength characteristics, CAC exhibits unique properties compared to ordinary concrete. The combination of fiber-reinforced polymer (FRP) with CAC shows promise in improving durability and corrosion resistance in marine environments.
As an economical and eco-friendly construction material, coral aggregate concrete (CAC) plays an increasingly important role in emerging marine engineering applications. CAC fully utilizes local raw materials on remote islands. Due to the porous structure and low-strength characteristics of coral aggregates, CAC exhibits unique characteristics compared to ordinary concrete. This paper presents a state-of-the-art review of the properties of CAC, including (1) the physical properties of coral aggregates; (2) the mechanical properties of CAC under uniaxial and multiaxial compression; and (3) the durability of CAC especially its chloride ion resistance and performance under drying-wetting cycles. To overcome the challenges of steel corrosion in marine environments, fiber-reinforced polymer (FRP) has been indicated to be a promising material for applications in CAC construction. The latest studies on the combination of FRP and CAC are reviewed, including the use of FRP tubes and bars.
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