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The influence of the clay fraction on the engineering propertiesof soil, with some suggestions for future research

Published online by Cambridge University Press:  14 March 2018

E. K. Clare
E. K. Clare*
Affiliation:
Road Research Laboratory, Harmondsworth, Middlesex
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Extract

This is normally measured in terms of resistance to shear, which is afunction of the internal friction and cohesion of the soil. The internalfriction is primarily a characteristic of the coarser soil fractions andresults from the interlocking of the particles; its value is a function ofthe normal stress on the soil. The cohesion of a soil is produced by forcesbinding the particles together, and is independent of the normal stress.These binding forces are accounted for partly by the, surface tension at theair-water interface of the water films surrounding the particles and partlyby the intermolecular forces acting between films of water adsorbed on thesurfaces of neighbouring particles.

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Type
Research Article
Information
Clay Minerals Bulletin , Volume 0 , Issue 1 , October 1947 , pp. 30 - 34
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1947

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References

American Society for Testing Materials, 1944. (a) Standard method of test for liquid limit of soils. A.S.T.M. designation D.423-39. (b) Standard method for plastic limit and plasticity index of soils, A.S.T.M. designation D.424-39 (A.S.T.M. Standards, Pt. II. Non-metallic materials—Constructional).Google Scholar
Casagrande—See Engineering Manual, W.D. Office of the Chief of Engineers. Chap. XX—Part II, Exhibit 1.Google Scholar
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Puri, A. N. and Puri, B. R., 1941. J. Agric. Sci. 31, 171–7.Google Scholar
Road Research Laboratory, 1915. A rapid method of determining the grain-size analysis of soils for particles less than 0.002 mm. Note No. RN/657/JFR.Google Scholar
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