Table 2 Design parameters of each specimen.

From: Repeated axial compressive performance of GCFST columns: Test investigation and numerical analysis

Specimens

L/mm

D/mm

L/D

t/mm

GC1-E1

600

165

3.6

2.75

GC1-E2

600

165

3.6

4.00

GC2-E1

600

165

3.6

2.75

GC2-E2

600

165

3.6

4.00

GC1-F1

600

219

2.7

2.75

GC1-F2

600

219

2.7

4.00

GC2-F1

600

219

2.7

2.75

GC2-F2

600

219

2.7

4.00

  1. Note: GC1 and GC2 represent the strength of geopolymer concrete in the table, which are 29.90 MPa and 42.30 MPa respectively ; e and F represent the steel pipe diameter of 165 mm and 219 mm respectively ; the numbers 1 and 2 at the end of the specimen number represent the steel tube wall thickness of 2.75 mm and 4.00 mm, respectively.
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