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Sub-surface dredging: an economic and environmentally friendly technique for lowering ground levels
van der Linde, P.; Bodegom, D.; Janssen-Stelder, B. (2005). Sub-surface dredging: an economic and environmentally friendly technique for lowering ground levels. Terra et Aqua (99): 11-14
In: Terra et Aqua: International Journal on Public Works, Ports and Waterways Developments. International Association of Dredging Companies (IADC): The Hague. ISSN 0376-6411, more
Peer reviewed article  

Available in Authors 

Keywords
    Dredging; Subsurface deposits; Marine

Authors  Top 
  • van der Linde, P.
  • Bodegom, D.
  • Janssen-Stelder, B.

Abstract
    A new technique in soil treatment has recently been introduced. Following the successful development of the BeauDrain ® vacuum consolidation system, Boskalis has now developed another new dredging technique called BeauDredge ® . Clean sand is extracted from underneath the (unmarketable) top layer and consequently the existing ground level is lowered more or less undisturbed. A pilot project at the Ketelmeer (The Netherlands) has demonstrated that the technique is highly suitable for deepening or constructing naviga-tion channels by dredging under (contaminated) upper layers. The technique can also be used for various other “soil jobs” in hydraulic engineering.

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