Embedded Electromechanical Impedance and Strain Sensors for Health Monitoring of a Concrete Bridge

Table 2

Material parameters of prestressed concrete box girders.

Material types	Density (kg/m^3)	Modulus of elasticity (MPa)	Compressive strength (MPa)	Tensile strength (MPa)
Concrete	2600	3.45 × 10^4	22.4	1.65
Rebar	7850	2.0 × 10^5	300	300
Steel strand	7850	1.95 × 10^5	390	1320