DEVELOPMENT OF AN AXISYMMETRIC FIELD SIMULATOR FOR CONE PENETRATION TESTS IN SAND

The calibration chamber has been an important research tool in establishing interpretation procedures for cone penetration tests (CPTs) in sand. A new simulator system capable of simulating axisymmetric field conditions has been developed. This system is an improvement over conventional calibration chambers and enables CPTs to be calibrated under minimal boundary effects. The new simulator consists of a stack of 20 rings to house the sand specimen. These rings are lined with an inflatable silicone rubber membrane on the inside. The boundary expansion and stress are measured and individually controlled, respectively, at each ring level during the CPT. The soil from physical boundary to infinity is simulated using a nonlinear cavity expansion curve derived from a lateral compression test on the specimen. Results from a series of CPTs show that, at relative densities of approximately 80%, the cone tip resistance values agree within 4% as the diameter ratio of the physical specimen over cone varies from 18 to 22. This paper describes the unique features of this field simulator, presents available CPT data performed in the simulator, and discusses its implications on future calibration tests.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/01496115
• Corporate Authors:

  American Society for Testing and Materials (ASTM)

  100 Barr Harbor Drive, P.O. Box C700
  West Conshohocken, PA  United States  19428-2957
• Authors:
  • Hsu, H-H
  • Huang, A-B
• Publication Date: 1998-12

Language

• English

Media Info

• Features: Figures; Photos; References; Tables;
• Pagination: p. 348-355
• Serial:
  • Geotechnical Testing Journal
  • Volume: 21
  • Issue Number: 4
  • Publisher: ASTM International
  • ISSN: 0149-6115
  • EISSN: 1945-7545
  • Serial URL: https://www.astm.org/products-services/standards-and-publications/geotechnical-testing-journal.html

Subject/Index Terms

• TRT Terms: Calibration; Compression tests; Cone penetrometers; Improvements; Sand; Shear strength
• Uncontrolled Terms: Axisymmetric field simulator; Boundary effects
• Subject Areas: Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00809342
• Record Type: Publication
• Files: TRIS
• Created Date: Apr 18 2001 12:00AM