Table 1: Calculations for Selected Test Angles with Single-Bolt End Connections.

No. Angle Size (mm) Fy
(MPa)
Length L (mm) Area A
(mm2)
rz
(mm)
L/rz Fa
(MPa)
PT
(kN)
ke LC* LCM*
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
1 38 x 38 x 3.2 264 1588 232 7.52 211 58.6 13.6 0.869 0.066 0.040
2 38 x 38 x 3.2 264 1969 232 7.52 262 44.5 10.3 0.804 0.098 0.032
3 38 x 38 x 3.2 264 2350 232 7.52 312 32.1 13.6 0.792 0.104 0.027
4 51 x 51 x 3.2 264 2654 313 10.1 263 35.9 11.3 0.910 0.045 0.024
5 51 x 51 x 3.2 264 3112 313 10.1 308 27.6 8.6 0.869 0.065 0.020
6 64 x 64 x 6.4 263 3175 766 12.5 254 41.4 31.7 0.860 0.070 0.020
7 64 x 64 x 6.4 263 3797 766 12.5 304 32.8 25.1 0.807 0.096 0.017
8 76 x 76 x 4.8 322 3874 703 15.1 257 32.2 22.6 0.964 0.018 0.016
9 76 x 76 x 6.4 253 3810 927 15.0 254 37.9 35.1 0.897 0.051 0.017
10 76 x 76 x 6.4 253 4559 927 15.0 304 27.1 25.1 0.887 0.057 0.014
11 89 x 89 x 4.8 262 5321 824 17.7 301 27.6 30.1 0.891 0.055 0.0120
12 89 x 89 x 6.4 254 5321 1090 17.6 302 24.4 26.6 0.945 0.028 0.012
Average 0.875 0.063 0.021

*As a fraction of total length L, at each end
End distance ‘e’ of all specimens = 31.8 mm (1¼ in.)
Edge distance ‘f’ of specimens = 20.6 mm to 38.1 mm (13/16 in. to 1½ in.)