Influence of Crumb-Rubber in the Mechanical Response of Modified Portland Cement Concrete

Table 2

Elastic properties.

Specimen	Compressive strength		Tensile strength		Elastic modulus
	MPa	Std. dev.	MPa	Std. dev.	GPa	Std. dev.
CFR	24.51	4.21	3.23	2.45	20.51	0.50
CCR	24.90	4.89	2.94	3.62	19.99	0.59
PCC	25.06	3.14	3.53	2.58	26.50	0.61