Mathematical Problems in Engineering / 2018 / Article / Tab 1

Research Article

Performance Evaluation of Q690 High-Strength Concrete-Filled Thin-Walled Steel Tubular Columns under Compression-Bending Coupling

Table 1

Summary of test specimens.

NumberSpecimenD
(mm)
t
(mm)

(MPa)
D/t
ratio
(MPa)nAxial load P
(kN)

1HCFTST-1-1-11402722.647043.50.1104.68
2HCFTST-1-2-21402722.647049.10.2221.80
3HCFTST-1-3-31402722.647078.60.3431.00
4HCFTST-1-4-41402722.647097.60.4659.09
5HCFTST-2-1-21802722.649043.50.2307.24
6HCFTST-2-2-11802722.649049.10.1164.04
7HCFTST-2-3-41802722.649078.60.4875.65
8HCFTST-2-4-31802722.649097.60.3762.77
9HCFTST-3-1-32202722.6411043.50.3632.75
10HCFTST-3-2-42202722.6411049.10.4906.43
11HCFTST-3-3-12202722.6411078.60.1309.26
12HCFTST-3-4-22202722.6411097.60.2725.00
13HCFTST-4-1-42602722.6413043.50.41106.30
14HCFTST-4-2-32602722.6413049.10.3895.84
15HCFTST-4-3-22602722.6413078.60.2829.43
16HCFTST-4-4-12602722.6413097.60.1489.49

Note. The notation is , where indicates D/t ratio number, represents concrete strength () number, and stands for axial compression ratio (n) number.