Projects per year
Abstract
The interaction between a spudcan and an existing footprint is one of the major concerns during jack-up rig installation.When a spudcan is located on or nearby an adjacent footprint slope, there is a tendency for the spudcan to slide towards the centre of the footprint, inducing excessive lateral forces and bending moments to the rig. Adverse spudcan displacement could result in an inability to install the jack-up in the required position, leg splay, structural damage to the leg, and at worst, bumping or collapsing into the neighbouring operating platform. This paper reports the results from a series of 1g and centrifuge model tests investigating spudcanfootprint interactions in clay. Three footprint shapes were tested varying depth and diameter. The footprints were generated using a cutting tool, and for the deep vertical walled footprints in the centrifuge, a plastic collar was pioneered to ensure footprint stability before testing. Spudcan loads during reinstallation were measured using a vertical load cell and two bending gauges. A novel spudcan, which was developed to minimise the interaction effects, was also tested and compared the responses with those of a generic spudcan. The results from this study indicated that the novel spudcan has potential to ease spudcan-footprint interactions.
Original language | English |
---|---|
Title of host publication | Physical Modelling in Geotechnics |
Subtitle of host publication | The 9th International Conference on Physical Modelling in Geotechnics |
Editors | Andrew McNamara, Sam Divall, Richard Goodey, Neil Taylor, Sarah Stallebrass, Jignasha Panchal |
Place of Publication | UK |
Publisher | CRC Press |
Chapter | 91 |
Pages | 615-621 |
Number of pages | 7 |
Volume | 1 |
ISBN (Print) | 9781138559752 |
DOIs | |
Publication status | Published - 15 Jul 2018 |
Event | 9th International Conference on Physical Modelling in Geotechnics, ICPMG 2018 - London, United Kingdom Duration: 17 Jul 2018 → 20 Jul 2018 Conference number: 9 |
Conference
Conference | 9th International Conference on Physical Modelling in Geotechnics, ICPMG 2018 |
---|---|
Abbreviated title | ICPMG 2018 |
Country/Territory | United Kingdom |
City | London |
Period | 17/07/18 → 20/07/18 |
Fingerprint
Dive into the research topics of 'Physical modelling of reinstallation of a novel spudcan nearby existing footprint'. Together they form a unique fingerprint.Projects
- 2 Finished
-
Investigation of Alternative Footing Shapes to Mitigate Instabilities During Installation of Offshore Drilling Platforms
Hossain, M. (Chief Investigator), Cassidy, M. (Chief Investigator), Hu, Y. (Chief Investigator), Won, J. (Chief Investigator), Kim, S.-J. (Chief Investigator) & Park, J.-S. (Chief Investigator)
ARC Australian Research Council
1/07/14 → 30/06/17
Project: Research
-
Advanced numerical and physical modelling of dynamically penetrating anchors for deep water oil and gas developments
Hossain, M. (Investigator 01)
ARC Australian Research Council
1/01/14 → 31/12/16
Project: Research