From: Group combined failure in tension of extended hollo blind bolts using numerical finite element method
Pitch distances
(mm)
Δp
Δd
Δd/Δp
Fp
(KN)
Fd
Fu
100
3.1
11.2
3.6
510
461
553
180
4.3
8.9
2.1
570
545
578
260
4.0
17.5
4.4
585
549
573
Mean
–
3.4
Standard divaition
0.95