1975a. Analysis of bending stresses in soil beams. Geotechnique, 25(3). 197%. Stress-strain behaviour of two compacted clays in tension and compression. Geotechnique, 25(3). HASECAWA. H., and IKEUTI , M. 1964. On the tensile strength of disturbed soils. Symp. Rheol. Soil Mech., Berlin, pp. 405-412. LEONARDS, G. A,, and NARAIN, J . 1963. Flexibility ofclay and crackingofearth dams. Am. Soc. Civ. Eng. J. Soil Mech. Found. Eng. 89(SM2), pp. 47-98. LUSHNIKOV, . V., VULIS, P. D., and LITVINOV, B. M. 1973. Relationship of the moduli of deformation in soil compression and tension. In Russian, translated by Plenum Publishing Coi-p., N.Y., from Osonovaniya, Fundamenty i Mekhanika Gruntov No. 6 , pp. 18-19. PARRY, R. H. G., and NADARAJAH, V. 1974. Anisotropy in a natural soft clayey silt. Eng. Geol. 8 , pp. 287-309. SUKLJE, L. ,VOGRINCIC, G., TRATNIKOVA, Ci . , andJEN~o, M. 1967. Testing of the flexibility of clays using photographic registration of displacements. Acta Geotech. Ljubljana, 15-18. TSCHEBATARIOFF, G. P., WARD, E . R., and DE PHILLIPE, A. A. 1953. The tensile strength of disturbed and recompacted soils. Proc. 3rd Int. Conf. Soil Mech. Found. Eng. 1, pp. 207-210.