SEISMIC RESPONSE OF COHESIVE MARINE SOILS

A nonlinear hysteretic soil model and an energy transmitting boundary are utilized in the method. The model allows a failure criterion to be incorporated and accounts for stiffness degradation under repeated loading. The energy transmitting boundary provides the means for representation of typical marine soil profiles without the need for specifying rigid bedrock at a finite depth. Results showing acceleration and displacement time histories and response spectra for several different marine soil profiles and different levels of shaking are presented. Cases where the shear modulus increases linearly with depth as well as "crust" type shear strength profiles are studied. The analyses show that correct representation of soil properties both above and below the point of ground motion input is a major factor in controlling the nature of seismic response. (ASCE)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3519342
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Tsai, C F
  • Lam, I
  • Martin, G R
• Publication Date: 1980-6

Media Info

• Features: Appendices; Figures; References;
• Pagination: p. 997-012
• Serial:
  • Journal of Geotechnical and Geoenvironmental Engineering
  • Volume: 106
  • Issue Number: GT9
  • Publisher: American Society of Civil Engineers
  • ISSN: 1090-0241
  • Serial URL: http://ojps.aip.org/gto

Subject/Index Terms

• TRT Terms: Accelerated tests; Acceleration (Mechanics); Bedrock; Cohesive soils; Earthquakes; Failure; Hysteresis; Marine soils; Mathematical models; Repeated loads; Seismicity; Shear modulus; Shear strength; Stiffness
• Uncontrolled Terms: Degradation; Models; Seismic response
• Old TRIS Terms: Failure condition
• Subject Areas: Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00322656
• Record Type: Publication
• Report/Paper Numbers: ASCE 15708
• Files: TRIS
• Created Date: Mar 12 1981 12:00AM