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Presentation
Ground improvement with special reference to non-toxic chemical stabilisation and deep sub-surface drainage
Faculty of Engineering - Papers (Archive)
  • Buddhima Indraratna, University of Wollongong
  • Jayan Sylaja J S Vinod, University of Wollongong
  • Cholachat Rujikiatkamjorn, University of Wollongong
RIS ID
24820
Publication Date
1-1-2008
Publication Details

Indraratna, B, Vinod, JS and Rujikiatkamjorn, C, Ground improvement with special reference to non-toxic chemical stabilisation and deep sub-surface drainage, In Sitharam, T & Sivakumar Babu, G (eds), Indian Geotechnical Conference, 2008, 167-188, Bangalore: Indian Geotechnical Society.

Abstract
In this paper, two advanced ground improvement schemes have been introduced to improve soft and erodible soil properties. The improvement of an unstable formation soil with pH neutral chemical admixture and the sub-surface drainage is described. Internal erosional behaviour of lignosulfonate treated erodible soils has been studied using the Process Simulation Apparatus for Internal Crack Erosion (PSAICE) designed and built at UoW. Effectiveness of lignosulfonate treated erodible soils on the erosion resistance has been investigated and its advantage over conventional methods are presented and discussed. For soft soil formation stabilised by sub-surface drainage, the paper will look at the inevitable problems of smear associated with mandrel driven Prefabricated Vertical Drains (PVDs), the distribution of suction pressures through PVD, and the conceptual development of consolidation models capturing the effects of vacuum. The applications to case histories employing equivalent plane strain theory developed by Indraratna and co-workers will be presented and discussed.
Grant Number
ARC/LP0668835
Disciplines
Citation Information
Buddhima Indraratna, Jayan Sylaja J S Vinod and Cholachat Rujikiatkamjorn. "Ground improvement with special reference to non-toxic chemical stabilisation and deep sub-surface drainage" (2008) p. 167 - 188
Available at: http://works.bepress.com/crujikiatkamjorn/70/