Advanced Modelling of Piezocone Penetration Test Using Cavity Expansion Theory and Interpretation Simulator Development

Details

• Creators:
  Chen, Shengli ; Liu, Kai
• Corporate Creators:
  Louisiana Transportation Research Center ; Louisiana State University (Baton Rouge, La.)
• Subject/TRT Terms:
  • Clay soils
  • Geotechnical engineering
  • Soil penetration test
  • Test procedures
• Resource Type:
  Tech Report
• Geographical Coverage:
  Louisiana;United States
• Edition:
  Final report
• Corporate Publisher:
  Louisiana State University. Louisiana Transportation Research Center
• Abstract:
  The piezocone penetration test (CPTu) is a well-established and efficient tool used in geotechnical engineering for measuring/interpreting the fundamental soil properties. However, the currently used interpretation methods for the CPTu test are largely empirical in nature and/or often based on over simplistic formulations, thus lacking the analytical rigor from the theoretical point of view. The report develops a rigorous analytical solution for the spherical cavity expansion in critical state clayey soils (i.e., modified Cam Clay soil model), which, in combination with the already existing solution for the cylindrical expansion, can and have been used here as the theoretical basis for relating the measured cone resistance, pore water pressure, and sleeve friction to the mechanical soil properties of clay deposits.
• Format:
  PDF
• Funding:
  DOTLT1000135
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/61492/dot_61492_DS1.pdf
• File Type:
  [PDF - 1.48 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:4668ccaee50fa62ec1a4e5c8f855465e3583260d54c24517ebf584f0d58b8bed22322ebf74f9472bc216c2951630c6eb14e94834e7e1ed1ce9ebe848e1d82b2f