Use of cohesive or fine grained materials

7 Management of poor quality materials 6.7.1 Use of cohesive or fine grained materials 

Landfills are preferably constructed with well graded quartz sands. However, soil with inferior quality is often encountered during dredging. Especially silts and 

In section 9.1 various solutions are discussed to make use of these materials and to improve their quality (ripening, use of additives, surcharge, vacuum consolidation, vertical drains, and sandwich structures). In view of the increasing environmental awareness and sand shortage in some regions, the (re-)use of silt and clays as fill material is becoming ever more important. 

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