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Table 5 Pullout parameters derived from test results with different fibre spacing.

From: Pullout Behaviour of Different Types of Steel Fibres Embedded in Magnesium Phosphate Cementitious Matrix

Type of fibre

Compressive strength of matrix (MPa)

Spacing of fibres (mm)

Relative spacing

Maximum pullout load (N)

Maximum fibre tensile stress (MPa)

Average bond strength (MPa)

Pullout energy (N mm)

Up to 2.5 mm

Up to 1.5 mm

H-2

37.4

16

1.78

187.8

820.6

12.3

368.0

254.0

11

1.22

183.5

801.5

12.2

375.2

250.3

8

0.89

183.4

801.4

12.0

356.6

243.7

6

0.67

179.3

783.3

11.8

360.7

233.9

  1. The reported values are the average values of the test results.
  2. The relative spacing is defined as the spacing of the fibres divided by the embedment length of the fibres.