Table 2 Mechanical properties of the concrete.

From: Seismic performance of a new precast concrete frame joint with a built-in disc spring

Concrete grade

fcu (MPa)

fc'(MPa)

ft (MPa)

Ec (GPa)

C40

52.6

35.2

2.6

30.2

C50

64.3

43.0

3.0

33.5

  1. fcu is the cube compressive strength, fc'is the axial compressive strength, ft is the tensile strength, Ec is the modulus of elasticity.
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