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The influence of the clay fraction on the engineering properties of 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 a function of the internal friction and cohesion of the soil. The internal friction is primarily a characteristic of the coarser soil fractions and results from the interlocking of the particles; its value is a function of the normal stress on the soil. The cohesion of a soil is produced by forces binding the particles together, and is independent of the normal stress. These binding forces are accounted for partly by the, surface tension at the air-water interface of the water films surrounding the particles and partly by the intermolecular forces acting between films of water adsorbed on the surfaces of neighbouring particles.

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
Puri, A. N., Crowther, E. M. and Keen, B. A., 1925. J. Agric. Sci. 15 (1) 68–88.Google Scholar
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
Russell, E. W., 1943. J. Agric. Sci. 33 (3), 147–54.Google Scholar