STATIC MODULUS OF GAULT CLAY PREDICTED FROM SEISMIC TESTS

In order to predict immediate "elastic" deformation of soil, it is necessary to determine the appropriate elastic moduli. As traditional methods are lengthy and expensive, seismic methods are often considered. Such a seismic investigation was carried out on a site of over-consolidated gault clay used for pressuremeter tests, so that results could be compared. A numerical method is presented for evaluating the general distribution of dynamic modulus with depth from seismic results. A vertical profile of shear modulus was generated which was converted into equivalent values for the pressuremeter tests using results of independent resonant column investigations. It is concluded that seismic tests can be used to evaluate elastic soil constants which compare favourably with values from pressuremeter tests. (TRRL)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00174653
• Corporate Authors:

  Foundation Publications Limited

  7 Ongar Road
  Brentwood CM15 9AU, Essex,   England 
• Authors:
  • Morris, D V
  • Abbiss, C P
• Publication Date: 1979-11

Media Info

• Features: Figures; References; Tables;
• Pagination: v.p.
• Serial:
  • GROUND ENGINEERING
  • Volume: 12
  • Issue Number: 8
  • Publisher: EMAP CONSTRUCT LIMITED
  • ISSN: 0017-4653

Subject/Index Terms

• TRT Terms: Alternatives analysis; Axial loads; Calculation; Clay; Deformation; Depth; Dynamic modulus of elasticity; Elasticity (Mechanics); Instruments for measuring loads or pressure; Methodology; Modulus of elasticity; Pressiometric probes; Pressure gages; Seismicity; Shear modulus; Soils; Tests
• Uncontrolled Terms: Axial stress; Pressiometer; Seismic investigations; Soil deformation
• Old TRIS Terms: Consolidated deposits
• ITRD Terms: 6464: Calculation; 4177: Clay; 5912: Elasticity; 9102: Method; 5919: Modulus of elasticity; 6128: Pressiometer; 5731: Seismic; 4156: Soil; 6255: Test
• Subject Areas: Geotechnology; Highways;

Filing Info

• Accession Number: 00312295
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD, TRIS
• Created Date: Oct 8 1980 12:00AM