Figure 6. Failure loads of the composite bolted joints with (a) W/D=2; (b) W/D=3; (c) W/D=4; and (d) W/D=5

From

The Effect of Defence Hole System on the Failure Load and Bearing Strength of GFRP Bolted Joint

Khudhayer J. Jadee, A.R. Othman

American Journal of Mechanical Engineering. 2015, 3(4), 135-141 doi:10.12691/ajme-3-4-5