Once the test setup is constructed, the test pile or group is subjected to an incremental increase in
lateral load. Depending on the type of lateral load that will be exerted on the pile during its actual use,
different types of loading schedules have been developed. For example, ASTM D 3966-95 (2004) provides loading schedules for standard loading, excess loading, cyclic loading, and surge loading. The
ideal situation would be to model anticipated field lateral-loading conditions. Thus, for example, if the
pile is subjected to cyclic lateral loading for in-service conditions, then a cyclic loading sequence
should be used. The pile is usually loaded to a value that is at least twice the lateral design load.