PERFORMING UNDRAINED SHEAR TESTS ON SATURATED SANDS IN A NEW INTELLIGENT TYPE OF RING SHEAR APPARATUS

This paper presents the design and construction of an undrained ring shear apparatus developed at the Disaster Prevention Research Institute at Kyoto University, Japan. The apparatus is suited for undrained shear tests under all types of loading, and enables observing the undrained shear behavior of soils in high-speed motion to an endless displacement level. Using rubber edges and a gap control system, leakage of pore water was effectively prevented, and the friction of rubber edges was controlled with high credibility during shear. For undrained shear tests on sand, related experimental procedures are introduced and the undrained shear behavior of sand in ring shear tests is given. Test results show that high pore water pressures could be built up in both loose and dense sands, given that the shear displacement is great enough.

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• Authors:
  • Sassa, K
  • Wang, Guangmin
  • Fukuoka, H
• Publication Date: 2003-9

Language

• English

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 257-265
• Serial:
  • Geotechnical Testing Journal
  • Volume: 26
  • Issue Number: 3
  • Publisher: ASTM International
  • ISSN: 0149-6115
  • Serial URL: http://www.astm.org/DIGITAL_LIBRARY/JOURNALS/GEOTECH/

Subject/Index Terms

• TRT Terms: Geotechnical engineering; Highway engineering; Liquefaction; Pore pressure; Pore water; Shear properties; Silty sands; Soil science; Soil tests; Undrained shear tests
• Subject Areas: Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00963189
• Record Type: Publication
• Files: TRIS
• Created Date: Sep 10 2003 12:00AM