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

Figure 8

(a) Ultrasonic pulse velocity testing equipment, (b) 3D optical microscope, (c) differential scanning calorimetry testing machine, (d) scanning electron microscope (JCM-6000, (e) MiniFlex benchtop X-ray diffractometer, and (f) FTIR testing machine. Source: Own work, 2022.

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