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Table 2 Properties of steel bars and concrete.

From: Progressive Collapse Resistance of RC Frames under a Side Column Removal Scenario: The Mechanism Explained

Material

Diameter measurement, mm

Young’s modulus, MPa

Yield strength, MPa

Ultimate strength, MPa

Rupture strain, δ 10

Necking zone

Outside necking zone

Steel bars

Ф 8

8.0

2.0 × 105

347.0

488.6

25.3 %

16.1 %

Ф 6

6.4

2.0 × 105

283.2

443.8

31.0 %

20.6 %

Ф 3

3.5

/

331.0

387.6

/

/

 

Young’s modulus, MPa

Compression strength of concrete prism, MPa

Concrete

3.05 × 105

36.8