Investigation of Mechanical Properties of Concrete Containing Liquid Silicone Rubber Under Axial Loads

Table 1

Silicone rubber specifications.

Property	Minimum value	Maximum value	SI unit
Atomic volume (average)	0.0035	0.0055	m^3·kmol
Density	1.1	2.3	Mg·m^3
Bulk modulus	1.5	2	GPa
Compressive strength	10	30	MPa
Elastic limit	2.4	5.5	MPa
Endurance limit	2.28	5.23	MPa
Fracture toughness	0.03	0.7	MPa·m^1.2
Modulus of rupture	2.4	5.5	MPa
Poisson’s ratio	0.47	0.49
Shear modulus	0.0003	0.02	GPa
Tensile strength	2.4	5.5	MPa
Young’s modulus	0.001	0.05	GPa
Glass temperature	150	200	K
Maximum service temperature	500	560	K
Minimum service temperature	200	225	K
Specific heat	1050	1300	J·kg·K
Thermal conductivity	0.2	2.55	W·m·K
Thermal expansion	250	300	10^−6·K