Page 51 - Unit2.docx

………………………… 5.4

Where:µ m = correction factor

E SC = elasticity module of steel

I = fibre moment

f yc characteristic strength of steel

A = pile cross-sectional area

C uc = characteristic undrained shear strength of the soil.

Example 5.4
© It's Engg. Life
Determine the design bearing capacity of a Steel pile of external diameter 200
mm, thickness of 20 mm. Treated against corrosion. pile. Consider failure in
the pile material. C of the soil is 28 kPa, favourable condition. S2
c

Steel BS 2272

solution :

γ n = 2.2

µ m = 0.9

E sc = 220 Gpa

for BS 2272 f = 320 MPa
yc

=

= =