The Effect of Fiber Geometry and Interfacial Properties on the Elastic Properties of Cementitious Nanocomposite Material

Table 4

Elastic modulus for 3D and axisymmetric models.

	Straight, -direction		Straight, random		Curved		Mixture theory; (upper bound)
	3D model	Axisymmetric model	3D model	Axisymmetric model	3D model	Axisymmetric model
VF = 0.1%
(GPa)	31.293	30.896	30.635	30.366	30.579	N.A	30.97
% increase	4.31	3.00	2.12	1.22	1.93	/	3.23
VF = 0.5%
(GPa)	34.915	34.312	31.691	31.73	31.535	N.A	34.85
% increase	16.38	14.37	5.64	5.77	5.12	/	16.17

N.A: not applicable.