... consisted of direct shear tests of rigid ribbed inclusions with various rib spacings. Optical monitoring and a carbowax solidification technique assisted in the identification of failure surfaces. A plasticity model, based on Sokolovski's method, was evolved for a fully developed passive component...

... par rayon-X. Les questions d'éoulement interne du fluide et de la sensibilité à la vitesse de l'essai sont également discutées en relation avec les problèmes matbématique d'instabilite. granular materials liquefaction permeability shear strength shear tests time dependence Han, C...

...T. Mirata Means for measuring the shear strength at large strains in the wedge shear test over about the same range of normal stresses as at peak strength are described. By the same means it is now possible to prolong the test for larger shear displacements when loading is near-vertical; to perform...

... la liste des propriétés de la matière peutservir comme base pour le déloppement des théories contituantes et fournir un cadre convenable pour la description qualitative du comportement des argiles naturelles. anisotropy clays shear tests soil properties © 1990 Thomas Telford Ltd 1990...

... Telford Ltd 1990 deformation failure friction plasticity shear tests Venneer, P. A. (1990).Gtotechniqu4e0, No. 2,223-236 The orientation of shear bands in biaxial tests P. A. VERMEER* Shear band formation in planar deformation of soil samples is studied theoretically to explain...

... fabric/structure of soils shear tests clays sands Feda, J. (1989). GCotechnique 39, No. 4, 661-611 Interpretation of creep of soils by rate process theory J. FEDA* The Author uses experimental data from four types of soils to analyse, in terms of effective stresses, distortional and volumetric...

...R. J. Chandler; T. N. Hardie © 1989 Thomas Telford Ltd 1989 clays landslides shear strength shear tests soil properties ...

...T. Collotta; R. Cantoni; U. Pavesi; E. Ruberl; P. C. Moretti © 1989 Thomas Telford Ltd 1989 Atterberg limits clays friction shear tests silts soil properties Colt&a. T., Cantoni, R., Pavesi, U., Ruberl, E. & Moretti, P. C. (1989). GLwtechnique39, No. 2, 343-346 TECHNICAL NOTE...

...R. A. Jewell Experimental data from unreinforced direct shear tests on sand are presented to show the influence of the boundary conditions on the test measurements. The data and the theoretical considerations of the loading in the test show that a symmetrical direct shear test arrangement...

...M. P. O'Reilly; S. F. Brown; R. F. Overy clays repeated loading shear tests strains time dependence triaxial tests © 1989 Thomas Telford Ltd 1989 O Reilly, M. P., Brown, S. F. & Overy, R. F. (1989). Ghxhnique 39, No. 1, 153-158 TECHNICAL NOTE Viscous effects observed in tests...

...G. de Jong de Josselin In this Paper it is shown how to use the double sliding, free rotating model for materials with internal friction to predict the stress history in undrained simple shear tests. In its original rigid plastic form this model could not be used, because there was no unique...

...: friction; laboratory equipment; rock mechanics; shear strength; shear tests; torsion. This Note describes a rotary shear machine, similar to those designed by Bishop, Green, Garga, Andresen & Brown (1971) and Bromhead (1979), but suitable for testing rock surfaces, especially the shear strength of rock...

... réponse contrainte/déformation, dans le module dynamique et dans le changement de volume le long des chemins différents de contrainte. anisotropy fabric/structure of soils granular materials shear modulus shear tests © 1988 Thomas Telford Ltd 1988 Chen,Y.-C., Ishibashi,I., &Jenkins, J. T...

... Telford Ltd 1988 anisotropy fabric/structure of soils granular materials shear modulus shear tests Ishibashi, I., Chen, Y.-C. & Jenkins, J. T. (1988). Ghtechnique 38, No. 1,3337 Dynamic shear modulus and fabric: part II, stress reversal I. ISHIBASHI,* Y.-C. CHENt and J. T. JENKINSf...

...S. Shibuya; D. W. Hight Shibuya,S.& Hight, D. W.(1987).Gkotechniqu3e7, No. 4, 511-515 On the stress path in simple shear S. SHIBUYA* and D. W. HIGHTT KEYWORDS: anisotropy; failure; pore pressures; sands; shear tests, torsion. INTRODUCTION The simple shear mode of deformation is shown in Fig. l...

... expérimentaux obtenus dans des essais biaxiaux avec des échantillons de sable. © 1987 Thomas Telford Ltd 1987 constitutive relations granular materials shear tests Miihlhaus, H.-B. & Vardoulakis, I. (1987). GCotechnique 37, No. 3, 271-283 The thickness of shear bands in granular materials H.-B...

... between the results from the three types on the correlations between the coefficient of friction and the roughness of the steel surface. The sliding displacement measured in simple shear tests showed good agreement with the observation in the ring torsion type of apparatus, but the tangential displacement...

...R. A. Jewell; C. P. Wroth New data are presented from internal measurements in direct shear tests on sand. An interpretation is given for the plane strain angle of friction and the angle of dilation of sand in a direct shear test. The direct shear angle of friction deduced from the conventional...

... with the results of conventional constant volume direct simple shear tests. The comparison shows that the stress–strain and effective stress plots obtained by the two methods are identical for all practical purposes. Thus, it is shown that the changes in vertical stress required to keep constant volume throughout...

... methods of design, constant normal stiffness direct shear test equipment has been manufactured. The principles and details of this testing technique are presented along with a brief discussion of applications. On a démontré qu'il est possible de contrôler à l'aide des conditions de rigidité normale...