Effect of Elevated Temperature on Microstructural and Durability Properties of High-Strength Concrete-Containing Eggshell

Figure 17

FTIR spectrum for mixtures 0%ESP@25°C (a) and 200°C (b), and 5%ESP@25°C (c) and 200°C (d). Source: Own work, 2022.

(a)

(b)

(c)

(d)