ANALYSIS OF DEEP EXCAVATION WITH COLUMN TYPE OF GROUND IMPROVEMENT IN SOFT CLAY

The column type of ground improvement is used worldwide to minimize the ground settlement induced by excavation, possibly because this type of soil improvement is relatively easily produced and conceptually understood. At this time, however, an analysis method and design concept are unavailable. In this paper, a method is proposed for evaluating composite material properties of the treated soil mass by replacing the treated soil area with a single material during analysis. The single material replacement permits a three-dimensional analysis to be conducted with less computer storage and computation time. Furthermore, a slight modification to the method makes plane strain analysis applicable to the column type of soil improvement. A model test and a case history support the use of the proposed method.

Language

  • English

Media Info

  • Features: Appendices; Figures; References; Tables;
  • Pagination: p. 709-716
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00726138
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 29 1996 12:00AM