An eight story tower block of reinforced concrete frame construction with single column loads varying from 230-440 tonnes was supported on single large diameter bored pile foundations. Tests indicated that piles 27 m long founded in the compact silt would satisfactorily support the required loads, the diameter of the piles being varied to suit the different loads. The boring of the piles was accomplished by a drilling rig with quadruple telescopic kelly bar mounted on a crawler crane. A short length of temporary casing tube was used at the tops of the piles and sealed in to the top of the firm grey silty clay at a depth of about 4,000 m below working level. Details of the construction are briefly outlined. Problems encourtered with claystone boulders are discussed, and comments are made on the bentonite suspension. Piling and tests were carried out in accordance with the specifications recommended by the Federation of Piling Specialists.

  • Availability:
  • Corporate Authors:

    Foundation Publications Limited

    7 Ongar Road
    Brentwood CM15 9AU, Essex,   England 
  • Authors:
    • Holland, G R
  • Publication Date: 1976-9

Media Info

  • Features: Figures;
  • Pagination: p. 40-42
  • Serial:
    • Volume: 9
    • Issue Number: 6
    • ISSN: 0017-4653

Subject/Index Terms

Filing Info

  • Accession Number: 00144045
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 22 1976 12:00AM