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

Table 2

Water absorption ratio of cellulose fibers.

Sample number	Dried mass (g)	Saturated mass (g)	Differential value of mass (g)	Water absorption ratio (%)
CF-1	1.01	3.44	2.42	240
CF-2	0.98	3.31	2.33	238
CF-3	1.00	3.40	2.40	240
CF-4	1.02	3.45	2.43	238
CF-5	1.01	3.43	2.43	241
Mean value	1.00	3.41	2.40	239