Book on foundation design.Before a foundation design can be embarked on, the associated soil profile must be well established. The soil profile is compiled from three cornerstones of information: • in-situ testing results, particularly continuous tests, such ...

The paper presents the findings to reaffirm the principle that design of a piled foundation requires the analysis of the interaction between load transfer, soil settlement and pile toe load movement response.

The paper reports the measurements and analyses and indicates the method for determining the residual load, the strain - dependent modulus of the test piles and the actual load distribution in the test piles.

The development of strain and long instrumented postdriving grouted cylinder piles is presented.

Much of the agreement and non-agreement in such papers is due to that many of the comparisons include mistakes and a few sources of such are illustrated and explained. A case of over reliance on blow-count is presented.

A case history of repeated dynamic and static loading tests in Alberta on two pipe piles during dissipation of driving-induced pore pressures is presented together with three reanalyzed published case histories involving similar records.

Review of the past deep foundation design practices and future design methods are presented.

The importance of vibration problems induced by pile driving is addressed and guidelines for establishing limiting vibration levels with respect to buildings with different foundation conditions are presented.

The design problem of piles is to address not the drag load but the location of the neutral plane and the settlement of the soil at the neutral plane.