Welcome to NBS

NBS Publication Index


Shaft friction of CFA piles in chalk

* A valid subscription to The Construction Information Service is required to download this document.
Click here to find out more


Shaft friction of CFA piles in chalk, 2003



London, UK, CIRIA


A research project reviewed the design aspects of continuous flight augured (CFA) piles in chalk. This report details the graphical plots and analysis of test data. Covers shaft resistance, pile testing and safety factors.

Document Number

Project Report PR 86

Document Status

This document is available from CIS


Bearing piles

Email Updates

Receive regular email
updates from NBS

Follow @TheNBS on Twitter