Micromechanical Properties of Steel-Fiber-Reinforced Cementitious Composites Characterized with Nanoindentation

Table 4

Test indices of ITZ and cement matrix under different water-binder ratios.

Sample	ITZ		Cement matrix
	Elastic modulus	Indentation hardness	Elastic modulus	Indentation hardness
WB24SF00	7.8	0.3	27.5	1.32
WB18SF00	13.5	0.79	42.5	2.03
Increased range	73.1%	163%	54.5%	53.4%