A General Time-Related Soil Friction Increase Phenomenon / JH. Schmertmann
- Conference Author:
- Laboratory Shear Strength of Soil (1980 : Chicago, Ill.)
- Physical Description:
- 1 online resource (29 pages) : illustrations, figures, tables
- Additional Creators:
- Schmertmann, JH., American Society for Testing and Materials, and ASTM International
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- ezaccess.libraries.psu.edu
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- License restrictions may limit access. and Subscription required for access to full text.
- Summary:
- Various laboratory treatments of clay specimens produced an increase in the frictional component of their ability to mobilize shear resistance. These treatments included compression after isotropic normal consolidation, compression after isotropic overconsolidation, anisotropic normal consolidation, chemically induced dispersion, changing pore fluid, decreasing rate-of-strain, increasing time for secondary compression, and allowing time for creep. The paper shows how increasing clay fabric dispersion in these treatments relates directly to an increased friction capability. The author then suggests that the dispersion shifts the external shear load to stiffer and stronger aggregates of particles in the fabric. This produces a stiffer and stronger clay due to its increased frictional capability. The practical aspects of this behavior include a better understanding of various laboratory specimen aging effects such as increasing modulus and the quasi-preconsolidation effect, recognizing it as a frictional and not a bonding behavior, and the desirability of including such behavior in the laboratory or computer simulation of in situ performance.
- Dates of Publication and/or Sequential Designation:
- Volume 1981, Issue 740 (January 1981)
- Subject(s):
- ISBN:
- 0803107897, 9780803107892, and 9780803148062 (e-ISBN)
- Digital File Characteristics:
- text file PDF
- Bibliography Note:
- Includes bibliographical references 13.
- Other Forms:
- Also available in PDF edition., Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription., and Full text article also available for purchase.
- Reproduction Note:
- Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1981. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
- Technical Details:
- Mode of access: World Wide Web.
- Source of Acquisition:
- ASTM International PDF Purchase price USD25.
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