Building Construction Handbook, Eighth Edition

Continuous Flight Auger Bored Piles

Typical Details ~

kelly bar pulleys suspension arm

Completed pile

shaft as shown

on page 232

hydraulic ram

tracked

power

unit

stabiliser

mobile kelly

bar drive

kelly bar

drive guide

flight auger

auger guide

collar

Standard pile diameters are 300, 450 and 600 mm. Depth of bore

hole to about 15 m.

Piled Foundations