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Ground Improvement in Deep Waters Using Dynamic Replacement

Access Status
Open access
Authors
Hamidi, Babak
Nikraz, Hamid
Yee, K.
Varaksin, S.
Wong, L.
Date
2010
Type
Conference Paper

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Citation
Hamidi, Babak and Nikraz, Hamid and Yee, Kenny and Varaksin, Serge and Wong, Leong. 2010. Ground Improvement in Deep Waters Using Dynamic Replacement, in Chung, J. and Ayer, R. and Prinsenberg, S. and Hong, S. and Langen, I. (ed), The 20th (2010) International Offshore and Polar Engineering Conference (ISOPE 2010), pp. 848-853. Beijing, China: ISOPE.
Source Title
The Proceedings of The Twentieth (2010) International Offshore and Polar Engineering Conference
Source Conference
The 20th (2010) International Offshore and Polar Engineering Conference (ISOPE 2010)
ISBN
Faculty
School of Engineering
Department of Civil Engineering
Faculty of Science and Engineering
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Abstract

Dynamic Replacement is a ground improvement technique used for treating soft compressible cohesive soils. It has been used in numerous land projects and a number of offshore works with seabed as deep as 15 m below sea level. Recently, works of similar nature was carried out in Southeast Asia with the intention of exploring the possibility of treating soils in deeper waters. In this case, the seabed was 30 m below sea level, and to the knowledge of the authors, is a world record as the deepest Offshore Dynamic Replacement or Dynamic Compaction works. The pressuremeter test was used to verify the results and to estimate the soil parameters.