High-Temperature Performance and Multiscale Damage Mechanisms of Hollow Cellulose Fiber-Reinforced Concrete

Figure 21

XRD spectrums of CFRC matrix exposed to different temperatures. (a) 20°C; (b) 300°C, 4 h; (c) 600°C, 4 h; (d) 800°C, 4 h; (e) 1050°C, 4 h.

(a)

(b)

(c)

(d)

(e)