THEORY STUDY OF THE BEHAVIOUR OF PILES SUBJECTED TO VERTICAL LOAD; INTRODUCTION OF DILATANCY

ETUDE THEORIQUE DU COMPORTEMENT DES PIEUX SOUS CHARGE VERTICALE; INTRODUCTION DE LA DILATANCE.

A bibliographic summary of research on the dilatancy behaviour of non-cohesive soil is presented. A special study is conducted of the influence of dilatancy on shear strength and on strain/stress characteristics. The second part of the report describes an investigation on lateral friction carried out on a simplified model of a cross section of soil, assuming the deformation to be plane. The notion of dilatancy is introduced in the form of a variation in volume by means of experimental results obtained in simple shear tests and cylindrical expansion tests. The general problem of deep foundations in elastic and swelling media is dealt with by means of the finite element method which enables the hypothesis of plane deformation to be verified together with the merits of the study of the soil cross-section. Lateral friction can be considered, on the main part of the shaft, as a local phenomenon which is A function of the depth of embedment and of the characteristics of the soil at that level. Its radial distribution in the vicinity of the shaft is in 1/R. /TRRL/

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00852643
• Corporate Authors:

  Central Laboratory of Bridges & Highways, France

  75732 Paris,   France 
• Authors:
  • FRANK, R
• Publication Date: 1975-7

Language

• French

Media Info

• Features: Figures; References; Tables;
• Pagination: 238 p.
• Serial:
  • Publication of: Central Laboratory of Bridges & Highways, France
  • Issue Number: 46
  • Publisher: Central Laboratory of Bridges & Highways, France
  • ISSN: 0085-2643

Subject/Index Terms

• TRT Terms: Behavior; Bibliographies; Deformation; Deformation curve; Dilatancy; Elasticity (Mechanics); Finite element method; Foundations; Friction; Granular soils; Loads; Mathematical models; Shear strength; Strength of materials; Stresses; Support piles; Swelling; Swelling soils; Theses
• Uncontrolled Terms: Models; Side; Vertical; Vertical loads
• Old TRIS Terms: Pile behavior; Plane deformation
• ITRD Terms: 9001: Behaviour; 8518: Bibliography; 5595: Deformation; 6490: Finite element method; 5452: Friction; 5567: Load; 6473: Mathematical model; 4109: Non cohesive soil; 3399: Pile; 5531: Shear; 9074: Side; 5544: Strength (mater); 5575: Stress (in material); 5203: Swelling (soil); 8597: Thesis; 9087: Vertical
• Subject Areas: Geotechnology; Highways;

Filing Info

• Accession Number: 00163181
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Report/Paper Numbers: Monograph
• Files: ITRD, TRIS
• Created Date: May 18 1978 12:00AM