Effect of Fiber Angles on Hybrid Double-Tube Concrete Columns under Monotonic Axial Compression

Table 5

Key test results.

Specimen name	(kN)	(%)		(%)
A4-F45-M1	2024.5	15.38	64.1	3.03
A4-F45-M2	1956.0	18.82	78.4
A4-F60-M1	3587.6	8.10	33.8	2.50
A4-F60-M2	3577.4	7.14	29.7
A4-F80-M1	3568.0	4.08	17.0	1.22
A4-F80-M2	4046.5	4.61	19.2
B4-F45-M1	1759.0	13.02	54.2	3.03
B4-F45-M2	2007.2	15.37	64.0
B4-F60-M1	3126.0	8.31	34.6	1.85
B4-F60-M2	3384.0	6.88	28.7
B4-F80-M1	3129.0	3.14	13.1	0.65
B4-F80-M2	3128.8	3.11	12.9
A8-F45-M1	2922.2	21.43	89.3	3.03
A8-F45-M2	3051.9	19.37	80.7
A8-F60-M1	5408.3	8.34	34.8	1.96
A8-F60-M2	5618.1	11.94	49.7

^∗The averaged hoop rupture strain was obtained from the split-disk test of FRP rings with a width of 60 mm.