DAMPING CHARACTERISTICS OF SOILS

ENERGY DISSIPATION OR DAMPING IS AN IMPORTANT CHARACTERISTIC OF ALL SOILS WHETHER SUBJECT TO STATIC OR DYNAMIC LOADING. SOME MAJOR THEORETICAL ASPECTS OF DAMPING ANALYSIS ARE OUTLINED AND DISCUSSED. AN EVALUATION IS PRESENTED OF EXPERIMENTAL TECHNIQUES USED TO MEASURE SOIL DAMPING AND THE INFLUENCE OF STRESS AND OTHER PARAMETERS ON DAMPING ARE CONSIDERED. IT IS DEMONSTRATED THAT MEASUREMENT OF DAMPING CHARACTERISTICS CAN, UNDER CERTAIN CONDITIONS, PROVIDE A VALUABLE INSIGHT INTO SOIL STRUCTURE AND THE RESPONSE OF SOILS TO DYNAMIC LOADING. THE USE OF THE LOSS FACTOR AND OTHER DAMPING UNITS IN CONJUNCTION WITH THE VARIOUS DEFORMATION MODULI ENABLES THE CONDITION OF A SOIL TO BE COMPLETELY DESCRIBED AT ANY INSTANT IN ITS STRESS HISTORY. THUS DAMPING PROVIDES A MATHEMATICALLY VIABLE APPROACH TO ANALYZING THAT TYPE OF SOIL BEHAVIOR. THE AUTHOR AGREES WITH P. J. MOORE THAT THE THEORY OF DAMPING OF NON-LINEAR VISCOELASTIC MATERIALS IS MUCH MORE COMPLEX THAN THAT PRESENTED IN THIS PAPER.

Media Info

  • Serial:
    • Volume: 4
    • Issue Number: Pt2

Subject/Index Terms

Filing Info

  • Accession Number: 00235682
  • Record Type: Publication
  • Files: TRIS, ATRI
  • Created Date: Sep 14 1970 12:00AM