The jacking force should be released to zero and re-applied without pause. GeoSS recommends obtaining two consistent "sets" to verify stability. Slenderness Ratio:
5.3 Pre-Boring and Assisted Jacking (where needed) The jacking force should be released to zero
Maintained load tests are conducted on selected working piles to verify that settlement at design load and test load matches acceptable structural limits. Integrity Testing (PIT) The jacking force should be released to zero