[Retracted] Experimental Analysis of Mechanical Properties and Durability of Cement-Based Composite with Carbon Nanotube

Table 7

Crack resistance of cement-based composite with carbon nanotube.

Sample	/mm	d (mm)		(mm)
S-5	20	0.40	0.25	5	22.5
S-8	10	0.35	0.25	2.5
S-10	10	0.27	0.25	2.5
S-20	30	0.25	0.25	7.5
S-30	20	0.33	0.25	5