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316 ANALYSIS AND DESIGN OF PILE GROUPS
Figure. 10.15 Comparison of load-deflection response for single pile.
Figure 10.16 Comparison of load-deflection response for 6-pile group.
Final remarks
As early as 1977, Burland, Broms and de Mello pointed out that the primary
reason for inclusion of piles as part of a foundation system is to satisfy a
serviceability limit on deformations; nevertheless, traditionally pile designers
have asked themselves how many piles are needed to carry the weight of the
