Methods to Reduce the Settlement of Embankments on Soft Clay: A Review

by Jean-Pierre Magnan, Lab Central des Ponts et Chaussees, Paris, France,

Document Type: Proceeding Paper

Part of: Vertical and Horizontal Deformations of Foundations and Embankments


New trends have been observed during the past ten years in the practice of settlement control for embankments on soft clays: they include increased use of rigid (piles) or semi-rigid (stone columns, compaction sand piles, jet-grouted columns) inclusions, increased use of prefabricated bandshaped drains, revival of the vacuum preloading technique, development of the construction of ultralightweight embankments. This paper reviews the present state of the practice of these techniques, based on recent experiments, construction works and literature reviews.

Subject Headings: Soil settlement | Compacted soils | Clays | Soft soils | Soil compression | Soil-pile interaction | Soil-structure interaction | Soil analysis

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