COMPACTION GROUTING

In commenting upon the original paper entitled "Compaction Grouting," the writer states that it has been his experience, based on approximately 1,000 completed projects, that a recurrent settlement factor is observed somewhere between 4 percent and 12 percent--dpending upon how the statistics are evaluated. The lower percentage gives weighted consideration to those instances where the apparent failures occur as a result of some outside influence not related to the grouting technique or efficiency. He points out the following factors associated with technique which adversely influence recurrent problems: (1) moisture content in soil at time of injection; (2) consistency of grout--efficiency in filling voids; (3) placement (leveling) technique--injection pattern, selection of grout injection sites, and depth of penetration; (4) construction technique; and (5) soil characteristics. Contrary to the authors experience, his experience tends to indicate that a moderate slump grout produces more efficient results. It appears that the voids are more completely filled, producing a more nearly solid "cushion" of grout supporting the slab. The writer's experience supports the authors' in the fact that slab stabilization, or leveling, or both, by grouting is much less, as indicated by the authors.

  • Availability:
  • Supplemental Notes:
    • Discussion by Robert W. Brown of Proceeding Paper #9908 written by Douglas Brown and James Warner published August 1973.
  • Corporate Authors:

    American Society of Civil Engineers

    345 East 47th Street
    New York, NY  USA  10017-2398
  • Discussers:
    • Brown, R W
  • Publication Date: 1974-3

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Filing Info

  • Accession Number: 00262271
  • Record Type: Publication
  • Report/Paper Numbers: Proc. Paper 10421
  • Files: TRIS
  • Created Date: Oct 22 1974 12:00AM