vi Preface vii "Jugendstil house at the Hooistraat seen from the Nieuwe Uitleg, The Hague", by G. de Josselin de Jong, 1982. Washed pen, 38cm x 27,5 cm. Property of Mrs. Lagaay-Govers. viii Contents 1Preface v 2 ShortCurriculumVitaeofG.deJosselindeJong vii 3 SoilMechanics 1 3.1 IntroductiontoSoilMechanics ...3 3.2 Lower bound collapse theorem and lack of normality of strain rate to yield surface for soils, Proc. IUTAM Symp. on Rheology and Soil Mechanics, Grenoble, 1964, pp 69-78...6 3.3 Discussion, Proc. Eur. Conf. Soil Mech. & Found. Eng.,Oslo, 1968, pp 199-200 ...16 3.4 The double sliding, free rotating model for granular assemblies, G' eotechnique, 1971, pp 155-163...19 3.5 Photoelastic veri?cation of a mechanical model for the ?ow of a granular material, A. Drescher & G. de Josselin de Jong, J. Mech. Phys. Solids, 1972, Vol. 20, pp 337-351 ...28 3.6 Elasto-plastic version of the double sliding model in undrained simplesheartests,G' eotechnique,Vol. 38, No. 4, 1988, pp 533-555 (+Discussion G' eot., 39, No. 3, 1989, pp 565-566)...44 . 3.7 Improvement of the lowerbound solution for the vertical cut o? in a cohesive, frictionlesssoil, G' eotechnique, Technical Notes, June1978, pp 197-201 68 3.
8 Application of the calculus of variations to the vertical cut o? in cohesivefrictionlesssoil,G' eotechnique,Vol.30,No.1,1980,pp1-16 73 . 3.9 A variational fallacy, G' eotechnique, Vol. 31, No. 2, 1981, pp 89 ...289-290 3.10 Consolidation around pore pressure meters, J. Appl. Phys.,Vol.