GeoSS recommends achieving two consistent sets before termination.
. The Geotechnical Society of Singapore (GeoSS) has established several good practices for their installation and testing. Key Installation Practices Machine Capacity
Designs must comply with Eurocode 7 (EC7) and the National Annex, which superseded SS CP4 in April 2015.
GEOSS Good Practice for Installation of Jacked Foundation Piles in Singapore Introduction Installation and Termination Criteria The termination of a
Termination is based on both design depth and measurable jacking resistance: Set Definition
Specialist builders must maintain a regular maintenance regime and provide daily, monthly, and yearly checklists to ensure equipment reliability. 3. Installation and Termination Criteria
The termination of a jacked pile is not solely based on depth but on a rigorous "set" verification process: Jacking Force ( Pjcap P sub j Installation and Termination Criteria The termination of a
GEOSS Good Practice for Installation of Jacked Foundation Piles in Singapore Introduction
Adequate cooling time must be allowed before jacking resumes. Quenching welds with water is strictly prohibited as it embrittles the steel. 5. Mitigation of Soil Displacement and Heave Effects
Singapore’s underground profile varies dramatically within small geographic distances, presenting specific operational risks for jacked-in piles: Installation and Termination Criteria The termination of a
): The pile is typically jacked in steps until the force reaches .
Because jacked piles are displacement piles, they can cause significant ground heave. Protecting nearby buildings is a requirement: Relief Wells:
): The operational force applied to push the pile down. The guideline requires Pjcap P sub j