The Geotechnical Society of Singapore (GeoSS) published a foundational guideline titled "Good Practice for Installation of Jacked Foundation Piles in Singapore" (October 2015) to standardize the use of this eco-friendly piling method.

5.2 Post-Installation Testing

| Test | Requirement | |------|-------------| | Static load test | 1% of piles, up to 1.5× working load (max 2.0× for proof test) | | PDA / high-strain dynamic test | 5% of piles (correlated with jacking records) | | Sonic logging (for large diameter >400 mm) | If specified by design | | Heave monitoring | 2–3 benchmarks near pile group |

  1. Installation Best Practices
    5.1 Equipment and Operational Controls
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Geoss Good Practice For Installation Of Jacked Foundation Piles In Singapore //free\\

The Geotechnical Society of Singapore (GeoSS) published a foundational guideline titled "Good Practice for Installation of Jacked Foundation Piles in Singapore" (October 2015) to standardize the use of this eco-friendly piling method.

5.2 Post-Installation Testing

| Test | Requirement | |------|-------------| | Static load test | 1% of piles, up to 1.5× working load (max 2.0× for proof test) | | PDA / high-strain dynamic test | 5% of piles (correlated with jacking records) | | Sonic logging (for large diameter >400 mm) | If specified by design | | Heave monitoring | 2–3 benchmarks near pile group | The Geotechnical Society of Singapore (GeoSS) published a

  • Continuous jacking force vs. depth curve (digital).
  • Pile verticality at every segment joint.
  • Restrike reading after 24 hours (minimum 2% of piles).
  1. Installation Best Practices
    5.1 Equipment and Operational Controls