Page 15 - INSTRUMENTED PILE LOAD TEST ON SOFT GROUND

Test Procedure – Failure Load Test

Loading % of Time of Holding (minutes) Note:
Working Load
Driven pile selected for testing
0 10 shall not be loaded after
10 10 installation
20 10
30 10
40 10 The minimum required time
50 10 lapse is at least 14 days
60 10
70 10
80 10
90 10
100 60 min or settlement rate less than 0.25 mm/hr (whichever is longer)
75 10
50 10
25 10
0 30 10. Interpretation of Test Results
25 10 10.1 The S.O.'s interpretation and conclusions on the test results shall be
50 10
...200 60 min or settlement rate less than 0.25 mm/hr (whichever is longer) final. The pile so tested shall be deemed to have failed if:
150 10
100 10 a) The residual settlement after removal of the test load exceeds 6.5mm;
50 10
0 30
50 10 OR
100 10
…300 60 min or settlement rate less than 0.25 mm/hr (whichever is longer) b) The total settlement under the Design Load exceeds 12.5mm;
200 10
100 10
0 30 OR

c) The total settlement under twice the Design Load exceeds 38.0mm, or
10% of pile diameter/width, whichever is the lower value.