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|Title:||Centrifuge study on the "set-up" effect induced by sand compaction pile installation|
|Authors:||Yi, J.T. |
|Source:||Yi, J.T.,Goh, S.H.,Lee, F.H. (2010). Centrifuge study on the "set-up" effect induced by sand compaction pile installation. Physical Modelling in Geotechnics - Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010 2 : 1383-1388. ScholarBank@NUS Repository.|
|Abstract:||The phenomenon of strength "set-up" during the installation of sand compaction piles (SCP) has been reported in various studies. However, experimental data pertaining to the significance of strength gain induced by SCP installation is still quite lacking. This paper presents the details and results from a series of centrifuge experiments, in which model SCP(s) were constructed in-flight and strength changes due to pile installations were measured by means of T-bar penetrometer. The tests were designed to examine the role of excess pore pressure generation and subsequent dissipation in affecting the strength increases of soil with time, and how this is affected by the number of piles and pile installation sequence. The results indicate that SCP installation may result in significant soil strength increases in its vicinity, and that the strength increases would be fürther enhanced if adequate time is allowed for dissipation of excess pore pressures. © 2010 Taylor & Francis Group, London.|
|Source Title:||Physical Modelling in Geotechnics - Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010|
|Appears in Collections:||Staff Publications|
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