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International Journal of Concrete Structures and Materials

Table 3 Test and calculation results of concrete.

From: Experimental Evaluation of Effect Factors on Seismic Performance of Concrete Columns Reinforced with HTRB630 High-Strength Steel Bars

Grade

Cube compressive strength (MPa)

fcu,k

Concrete mechanical index

fcu,0

Σ

fck(MPa)

ftk(MPa)

Ec(× 104 MPa)

C45

52.9

2.5

48.8(C45)

32.1

2.80

3.43

C60

66.9

1.9

63.8(C60)

41.0

3.13

3.64

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