Types of pile 47
2.2.6 Working stresses for steel piles
BS8004 requires steel for piles to conform to BS4360 Grades 43A, 50B, ‘or other grades
to the approval of the engineer’. The code limits the compression working stresses on
tubular, box, and H-section piles, in steel conforming to BS4360, to 30% of yield strength
Welds
M.S. plate
shoe
Tube or box pile
(a)
(b)
H-pile
‘Oslo’ point
Reinforcing plate
Plate and web
slotted to receive
point
Figure 2.25Shoes for steel piles (a) Flat plate shoe for tubular or box pile (b) ‘Oslo’ point for
H-section pile.
Welds
Weld
(a) (b)
Guide
Unequal
angles
Figure 2.26Strengthening toe of H-section pile (a) Welded-on steel angles (b) Pruyn Point (Associated
Pile and Fitting Corporation).