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Table 2 Properties of steel fibers.

From: Mechanical Properties of Lightweight Aggregate Concrete Reinforced with Various Steel Fibers

Type

Shape

ρf (g/cm3)

Lf (mm)

df (mm)

Sf

Ff (MPa)

τ (MPa)

SF(H)

End-hooked

7.85

35

0.6

58

2240

16.2

CSF(S)

Straight

7.8

13

0.2

65

1220

8.6

CSF(C)

Crimped

7.8

13

0.2

65

1220

11.2

CSF(H)

End-hooked

7.8

30

0.3

100

1220

18.7

  1. ρc, Lf, df, Sf, Ff, and τ are the density, length, diameter, aspect ratio, tensile strength, and interfacial bond strength between the fiber and cement matrix, respectively.