For several decades, numerous studies on the development of polymer-based construction materials for civil engineering applications have been conducted. In recent years, the polymer-based materials are mainly classified into three groups: (1) synthetic fiber-reinforced (cement) composites (FRC), (2) fiber-reinforced polymer (FRP), and (3) polymer concrete. The FRC includes several types of discontinuous fibers made of polypropylene, polyethylene, polyvinyl alcohol, polyester, and so on. It can be effectively adopted for civil structures and buildings to improve postcracking tensile performance, plastic shrinkage crack resistance, fire resistance (preventing spalling), and durability of concrete. In addition, several types of FRPs, that is, FRP reinforcing bar, FRP sheet, and sprayed FRP, have been studied for reinforcing and strengthening civil structures. In spite of their many advantages such as a noncorrosive nature, high specific strength, and electromagnetic neutrality, due to some drawbacks of FRPs, such as high brittleness, poor fire resistance, weak bond characteristics, and excessive creep, their wider practical applications have not occurred. Lastly, polymer concrete has recently gained attention from engineers to achieve excellent mechanical properties and durability.

This special issue aims to provide a comprehensive overview on synthetic FRC, FRPs, and polymer concrete, including aspects related to mechanical behavior, durability, bond behavior, fire resistance, numerical simulation, and structural implication under various loading conditions, such as quasi-static, seismic, impact, and blast. Review articles and original research papers describing recent findings in the fields of synthetic FRC, FRPs, and polymer concrete for civil engineering applications are expected.

Potential topics include but are not limited to the following:

• Synthetic fiber-reinforced composites
• Polymer concrete
• Fiber-reinforced polymers
• Mechanical behavior
• Durability
• Bond behavior
• Fire resistance
• Numerical simulations
• Structural implications