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Table 10 Summary of predictions of the shear resistance of contribution of steel fibers.

From: Shear Capacity Contribution of Steel Fiber Reinforced High-Strength Concrete Compared with and without Stirrup

 

Vs, TR(kN)

Vfib (kN)

Vs, fib/Vfib, exp (%)

Remarks

Type 0

 Vfib, exp

185.1

100

Fiber effect is:

• calculated by experimental value

 Vs, 0.16

163.4

88.3

 Vs, 0.21

267.7

144.6

 Vs, 0.32

311.8

168.4

Type 1

 Vfib, AT

71.7

38.7

Fiber effect is:

• separate from concrete contribution

• accounted for by using fiber factor

 Vfib, SRN

97.2

52.5

 Vfib, KM

135.0

72.9

 Vfib, HA

205.3

110.9

 Vfib, YHE

154.5

83.5

Type 2

 Vfib, SAK

93.2

50.4

Fiber effect is:

• included in concrete contribution

• accounted for by using SFRC material properties in tension

 Vfib, FSJ

83.9

45.3

 Vfib, RIL

53.1

28.7

 Vfib, AC

81.4

44.0

 Vfib,SN

58.9

31.8

  1. Vs,TR = the shear resistance of stirrups based on difference transverse reinforcement ratio, Vfib = the shear resistance of contribution of steel fibers, Vs, fib = the shear resistance of contribution of transverse reinforcement or calculated by prediction equation, Vfib, exp = the shear resistance of contribution of steel fibers by experimental test, Vs, 0.16, Vs, 0.21, Vs, 0.32 = the transverse reinforcement ratios under different stirrup spacing which 0.5d, 0.375d, and 0.25d, respectively.