FILL SETTLEMENT DESPITE VERTICAL SAND DRAINS

A marsh deposit, stabilized by vertical sand drains and a surcharge loading, settled 4 ft after completion of the stabilization, preconsolidation period. Soil borings and laboratory tests made 4 yr after construction showed that 6 ft of primary consolidation should have been anticipated, of which only 1.5 ft would occur during the specified 3-month stabilization period. The remainder would be virtually complete approximately 10 yr after construction, but some secondary compression would continue indefinitely. The predicted settlement 11 yr after construction was 7 ft, including 1 ft of secondary compression; this total was within 10% of the measured value.

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Filing Info

  • Accession Number: 00262334
  • Record Type: Publication
  • Source Agency: ASCE Journal of Soil Mechanics & Foundations Div
  • Report/Paper Numbers: Proc. Paper 4044
  • Files: TRIS
  • Created Date: Nov 20 1974 12:00AM