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International Journal of Concrete Structures and Materials

Table 1 Test parameters of column specimens.

From: Axial Load Testing of Hybrid Concrete Columns Consisting of UHPFRC Tube and Normal-Strength Concrete Core

Specimen

Fiber volume fraction, V f (%)

Spacing of transverse bars, s (volumetric ratio, ρ st )

Wire-mesh

HCC1

1.5

100 mm (2.52%)

O

HCC2

2.0

100 mm (2.52%)

O

HCC3

1.5

200 mm (1.26%)

O

HCC4

2.0

200 mm (1.26%)

O

HCC5

1.5

100 mm (2.52%)

–

  1. Cross-section = 400 × 400 mm, column length = 1200 mm, thickness of UHPFRC tube = 20 mm, longitudinal reinforcement = four 22 mm-diameter deformed bars (ρ = 1%), diameter of transverse bars = 10 mm, and threaded bars = 16 mm at a spacing of 200 mm.
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