Research Article

Combined Effects of Curing Temperatures and Alkaline Concrete on Tensile Properties of GFRP Bars

Figure 2

Microstructure morphology of GFRP bars in the standard-curing environment.
(a) Transverse section ×5000
(b) Transverse section ×2000
(c) Longitudinal section ×5000
(d) Longitudinal section ×1000