Civil Engineering Reference
In-Depth Information
FIGURE 11.14
Pressure distribution for deep foundations. (
From NAVFAC DM-7.2, 1982
).
its load-carrying capacity principally through side friction, then the 2:1 approximation
starts at a depth of two-thirds
D
, where
D
depth of the pile group. See Fig. 11.14 for
examples.
Cohesive Soil.
The load-carrying capacity of piles and piers in cohesive soil is more
complex than the analysis for cohesionless soil. Some of the factors that may need to be
considered in the analysis are as follows (AASHTO 1996):
