Typical pile testing strategy based on risk levels
| Characteristics of the piling works | Risk level | Pile testing strategy |
|---|---|---|
| Complex or unknown ground conditions No previous pile test data New piling technique or very limited relevant experience | High | Both preliminary and working pile tests are essentials One preliminary pile test per 250 piles One working pile test per 100 piles |
| Consistent ground conditions No previous pile test data Limited experience of piling in similar ground | Medium | Pile tests essential; either preliminary and/or working pile tests can be used One preliminary pile test per 500 piles One working pile test per 100 piles |
| Previous pile test data are available Extensive experience of piling in similar ground | Low | Pile tests not essential; if using pile tests, either preliminary and/or working tests can be used One preliminary pile test per 500 piles One working pile test per 100 piles |
| Characteristics of the piling works | Risk level | Pile testing strategy |
|---|---|---|
| Complex or unknown ground conditions | High | Both preliminary and working pile tests are essentials |
| Consistent ground conditions | Medium | Pile tests essential; either preliminary and/or working pile tests can be used |
| Previous pile test data are available | Low | Pile tests not essential; if using pile tests, either preliminary and/or working tests can be used |
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