Effects of Nano-TiO₂ on the Toughness and Durability of Cement-Based Material

Table 4

Internal pore distributions of hardened mortars at 28 days with different dosages of NT.

Sample	Total intruded volume/(mL/g)	Mean radius/nm	Apparent density/(g/cm^3)	Porosity/%; (2 nm < < 5 μm)	Pore size distribution/%
					<10 nm	10–50 nm	>50 nm
M0	0.0685	13.85	2.385	15.6	3.74	10.30	1.56
M1	0.0552	9.26	2.414	12.4	4.02	6.90	1.48
M2	0.0426	7.84	2.459	11.9	4.64	5.95	1.31
M3	0.0355	6.25	2.516	10.2	5.15	4.03	1.02
M4	0.0573	9.56	2.402	13.1	3.98	7.61	1.51
M5	0.0569	9.35	2.410	13.3	3.95	7.80	1.55