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Ajouter le résultat dans votre panierPile behaviour—theory and application / H. G. Poulos in Géotechnique, Vol. 39 N°3 (Septembre 1989)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 365 –415
Titre : Pile behaviour—theory and application Type de document : texte imprimé Auteurs : H. G. Poulos, Auteur Année de publication : 2007 Article en page(s) : pp. 365 –415 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Analysis Cas history Design Piles Repeated loading Settlement Résumé : This paper discusses the application of theory to the analysis of pile foundation behaviour under axial loading. A classification system is suggested for pile analysis and design procedures, based on the rigour of the underlying theory. It is shown that a number of the analyses in use have a common underlying theoretical basis founded on the boundary element method and that such methods give solutions which are consistent with those from other methods such as the finite element method. The main characteristics of pile behaviour are reviewed for single piles and pile groups subjected to static loading, cyclic loading, and to loading arising from externally-imposed soil movements. Correlations are then summarized for the geotech-nical parameters required for the prediction of axial pile behaviour. Using characteristic values of these parameters, design charts are developed for the load capacity and settlement of piles and pile groups. Finally, three case studies are described which demonstrate the sensitivity of pile performance predictions to the method of analysis, the idealization of the soil profile, and the selection of soil parameters. It is shown that the method of analysis is likely to have less effect on the predicted performance than does the geotechnical characterization of the site. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.365 [article] Pile behaviour—theory and application [texte imprimé] / H. G. Poulos, Auteur . - 2007 . - pp. 365 –415.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 365 –415
Mots-clés : Analysis Cas history Design Piles Repeated loading Settlement Résumé : This paper discusses the application of theory to the analysis of pile foundation behaviour under axial loading. A classification system is suggested for pile analysis and design procedures, based on the rigour of the underlying theory. It is shown that a number of the analyses in use have a common underlying theoretical basis founded on the boundary element method and that such methods give solutions which are consistent with those from other methods such as the finite element method. The main characteristics of pile behaviour are reviewed for single piles and pile groups subjected to static loading, cyclic loading, and to loading arising from externally-imposed soil movements. Correlations are then summarized for the geotech-nical parameters required for the prediction of axial pile behaviour. Using characteristic values of these parameters, design charts are developed for the load capacity and settlement of piles and pile groups. Finally, three case studies are described which demonstrate the sensitivity of pile performance predictions to the method of analysis, the idealization of the soil profile, and the selection of soil parameters. It is shown that the method of analysis is likely to have less effect on the predicted performance than does the geotechnical characterization of the site. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.365
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 417-431
Titre : Resistance of passive inclined anchors in cohesionless medium Type de document : texte imprimé Auteurs : E. J. Murray, Auteur ; J. D. Geddes, Auteur Année de publication : 2007 Article en page(s) : pp. 417-431 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Anchors Failure Model tests Plasticity Sands Soil-structure interaction Résumé : The passive resistance of inclined anchor plates in sand is examined. Laboratory experimental results are presented for the ultimate passive resistance, and the corresponding displacements, of rectangular anchor plates pulled at angles of inclination between the vertical and the horizontal through very dense sand. The results of ultimate passive resistance are compared with theoretical solutions based on the upper and lower bound limit theorems of soil plasticity. A general lower bound solution for a strip anchor pulled at various angles of loading cannot be readily formulated, and only a poor lower bound solution for the case of horizontal loading is determined. However, it is shown that provided interface friction is taken into account, upper bound solutions for a strip anchor compare favourably with the experimental evidence. Good agreement is shown between the upper bound solutions and the equivalent free surface stress characteristic solution, and experimental data, of Neely et al. (1973) for the horizontal translation of anchor plates in medium dense sand. Comparison is also made between the experimental results of this Paper and the finite element approach of Rowe & Davis (1982) for anchors pulled horizontally through an assumed elastic-plastic soil. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/issue/geot/39/3 [article] Resistance of passive inclined anchors in cohesionless medium [texte imprimé] / E. J. Murray, Auteur ; J. D. Geddes, Auteur . - 2007 . - pp. 417-431.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 417-431
Mots-clés : Anchors Failure Model tests Plasticity Sands Soil-structure interaction Résumé : The passive resistance of inclined anchor plates in sand is examined. Laboratory experimental results are presented for the ultimate passive resistance, and the corresponding displacements, of rectangular anchor plates pulled at angles of inclination between the vertical and the horizontal through very dense sand. The results of ultimate passive resistance are compared with theoretical solutions based on the upper and lower bound limit theorems of soil plasticity. A general lower bound solution for a strip anchor pulled at various angles of loading cannot be readily formulated, and only a poor lower bound solution for the case of horizontal loading is determined. However, it is shown that provided interface friction is taken into account, upper bound solutions for a strip anchor compare favourably with the experimental evidence. Good agreement is shown between the upper bound solutions and the equivalent free surface stress characteristic solution, and experimental data, of Neely et al. (1973) for the horizontal translation of anchor plates in medium dense sand. Comparison is also made between the experimental results of this Paper and the finite element approach of Rowe & Davis (1982) for anchors pulled horizontally through an assumed elastic-plastic soil. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/issue/geot/39/3
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 433 –454
Titre : Performance and analysis of cone pressuremeter tests in sands Type de document : texte imprimé Auteurs : N. J. Withers, Auteur ; J. Howie, Auteur ; J. M. O. Hughes, Auteur Année de publication : 2007 Article en page(s) : pp. 433 –454 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Friction Analysis Shear modulus site investigation Sands Field tests Résumé : This Paper presents the results of tests performed in sand with a prototype cone pressuremeter. Values of shear modulus and friction angle of the sand are derived from the data using cavity expansion/contraction theory. These values are compared with those obtained from seismic cone penetration tests and self boring pressuremeter tests. The Paper aimsto stimulate the development of methods to evaluate and apply data obtained from testsin sands with this operationally convenient in situ test. The values of shear modulus obtained with the cone pressuremeter are compatible with those obtained from the other tests. The availability of a cone resistance profile provided by the cone pressuremeter, at the same location as the pressuremeter derived shear moduli, facilitates the production of a continuous depth profile of shear modulus based on a reliable site specific correla- tion. Available cavity expansion theory produces unrealistic values of peak friction and dilation angle from cone pressuremeter data. Available cavity contraction theory produces unrealistic values of friction and dilation angle from both cone pressuremeter and self boringpressuremeter data. Creep deformations contribute to the difficulties associated with theapplications of cavity expansion and contraction theories. However, with appropriate tes procedures the creep deformation can be identified. A standard test procedure is proposedto facilitate comparisons of data obtained from further tests in different sands. Such comparisons are needed to advance understanding of cone pressuremeter test data. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.433 [article] Performance and analysis of cone pressuremeter tests in sands [texte imprimé] / N. J. Withers, Auteur ; J. Howie, Auteur ; J. M. O. Hughes, Auteur . - 2007 . - pp. 433 –454.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 433 –454
Mots-clés : Friction Analysis Shear modulus site investigation Sands Field tests Résumé : This Paper presents the results of tests performed in sand with a prototype cone pressuremeter. Values of shear modulus and friction angle of the sand are derived from the data using cavity expansion/contraction theory. These values are compared with those obtained from seismic cone penetration tests and self boring pressuremeter tests. The Paper aimsto stimulate the development of methods to evaluate and apply data obtained from testsin sands with this operationally convenient in situ test. The values of shear modulus obtained with the cone pressuremeter are compatible with those obtained from the other tests. The availability of a cone resistance profile provided by the cone pressuremeter, at the same location as the pressuremeter derived shear moduli, facilitates the production of a continuous depth profile of shear modulus based on a reliable site specific correla- tion. Available cavity expansion theory produces unrealistic values of peak friction and dilation angle from cone pressuremeter data. Available cavity contraction theory produces unrealistic values of friction and dilation angle from both cone pressuremeter and self boringpressuremeter data. Creep deformations contribute to the difficulties associated with theapplications of cavity expansion and contraction theories. However, with appropriate tes procedures the creep deformation can be identified. A standard test procedure is proposedto facilitate comparisons of data obtained from further tests in different sands. Such comparisons are needed to advance understanding of cone pressuremeter test data. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.433
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 455 –470
Titre : Heating unsaturated medium sand Type de document : texte imprimé Auteurs : J. Ewen, Auteur ; H. R. Thomas, Auteur Année de publication : 2007 Article en page(s) : pp. 455 –470 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Partial saturation Temperature Computation Sands Soil properties Résumé : A theoretical, experimental and numerical investigation of combined heat and mass transfer in unsaturated sand is described. The theoretical formulation adopted is that of Philip & de Vries but slightly different forms of the vapour transfer dif-fusivities are developed. Experimental work is reported on the determination, for a medium sand, of the full set of material parameters incorporated in the formulation, using both methods developed by the Authors and standard techniques. Explicit equations are given for the capillary potential, unsaturated hydraulic conductivity and thermal conductivity as functions of moisture content and temperature. Laboratory experimental results are presented for the steady temperature distribution within an unsaturated sample of the sand in which a rod is buried and heated. The pattern of moisture content values achieved reveals a two region response, a dry zone surrounding the rod and wet sand elsewhere. The development of a numerical simulation of the heating experiment using a finite difference solution algorithm is described. A self implicit scheme, driven to steady state through a false transient, was employed. Good agreement was found between temperatures in the simulation and the experiment. The work described is unusual in that equal emphasis has been placed on experimentation, especially the determination of the soil's physical properties, and numerical modelling and the two-dimensional coupled partial differential equations describing combined heat and mass transfer have been solved without simplification. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/search?value1=%27soil+properties%27&option1=ful [...] [article] Heating unsaturated medium sand [texte imprimé] / J. Ewen, Auteur ; H. R. Thomas, Auteur . - 2007 . - pp. 455 –470.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 455 –470
Mots-clés : Partial saturation Temperature Computation Sands Soil properties Résumé : A theoretical, experimental and numerical investigation of combined heat and mass transfer in unsaturated sand is described. The theoretical formulation adopted is that of Philip & de Vries but slightly different forms of the vapour transfer dif-fusivities are developed. Experimental work is reported on the determination, for a medium sand, of the full set of material parameters incorporated in the formulation, using both methods developed by the Authors and standard techniques. Explicit equations are given for the capillary potential, unsaturated hydraulic conductivity and thermal conductivity as functions of moisture content and temperature. Laboratory experimental results are presented for the steady temperature distribution within an unsaturated sample of the sand in which a rod is buried and heated. The pattern of moisture content values achieved reveals a two region response, a dry zone surrounding the rod and wet sand elsewhere. The development of a numerical simulation of the heating experiment using a finite difference solution algorithm is described. A self implicit scheme, driven to steady state through a false transient, was employed. Good agreement was found between temperatures in the simulation and the experiment. The work described is unusual in that equal emphasis has been placed on experimentation, especially the determination of the soil's physical properties, and numerical modelling and the two-dimensional coupled partial differential equations describing combined heat and mass transfer have been solved without simplification. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/search?value1=%27soil+properties%27&option1=ful [...]
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 471 –483
Titre : Factor of safety and probability of failure of rockfill embankments Type de document : texte imprimé Auteurs : M. R. Barbosa, Auteur ; D. V. Morris, Auteur ; S. K. Sarma, Auteur Année de publication : 2007 Article en page(s) : pp. 471 –483 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Limit state design analysis Failure Dams Statistical analysis Résumé : The limit equilibrium method is applied to analyse the stability of rockfill embankments. Stability charts that utilize contours of zero critical acceleration factor are generated. These charts are valuable as design aids and are presented in a form amenable for the direct computation of the factor of safety, which is a more familiar parameter of stability analysis. Reliability theory is then applied in the form of a second moment format, to compute the probability of failure of a rockfill embankment. Strength parameters are characterized using three slightly different density functions, to study the effect of truncation on the probability of failure of the system. The use of the logistic distribution is introduced, as a means of computing the failure probability of the structure without the aid of tables. The parameters necessary to compute both the factor of safety and its reliability, have been evaluated and are presented in graphical form, in terms of common design variables. A wide spectrum of practical combinations of geometries and strength parameters are covered by the study. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.471 [article] Factor of safety and probability of failure of rockfill embankments [texte imprimé] / M. R. Barbosa, Auteur ; D. V. Morris, Auteur ; S. K. Sarma, Auteur . - 2007 . - pp. 471 –483.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 471 –483
Mots-clés : Limit state design analysis Failure Dams Statistical analysis Résumé : The limit equilibrium method is applied to analyse the stability of rockfill embankments. Stability charts that utilize contours of zero critical acceleration factor are generated. These charts are valuable as design aids and are presented in a form amenable for the direct computation of the factor of safety, which is a more familiar parameter of stability analysis. Reliability theory is then applied in the form of a second moment format, to compute the probability of failure of a rockfill embankment. Strength parameters are characterized using three slightly different density functions, to study the effect of truncation on the probability of failure of the system. The use of the logistic distribution is introduced, as a means of computing the failure probability of the structure without the aid of tables. The parameters necessary to compute both the factor of safety and its reliability, have been evaluated and are presented in graphical form, in terms of common design variables. A wide spectrum of practical combinations of geometries and strength parameters are covered by the study. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.471
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 485 –496
Titre : Torsion of foundations embedded in a non-homogeneous soil with a weathered crust Type de document : texte imprimé Auteurs : R. K. N. D. Rajapakse, Auteur ; A. P. S. Selvadurai, Auteur Année de publication : 2007 Article en page(s) : pp. 485 –496 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Shear modulus Foundations Stiffness Soil-structure interaction Torsion Footings Elasticity Résumé : The torsional response of rigid foundations embedded in a non-homogeneous elastic soil with a weathered crust is investigated. The shear modulus of the weathered crust is assumed to decrease linearly with depth and that of the underlying non-homogeneous soil increases linearly with depth. The problems related to both rigid circular and cylindrical foundations are examined by using an integral equation method based on displacement and traction Green's functions of the weathered non-homogeneous medium. Numerical solutions for torsional stiffness of rigid circular foundations are presented for different depths of embedment, gradients of shear modulus profile and depths of weathered crust. A closed form solution based on a simplified stress field in the soil is also developed to evaluate the torsional stiffness of a rigid cylindrical foundation. The torsional stiffness derived by using the approximate solution is compared with the rigorous solution based on exact Green's functions. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.485 [article] Torsion of foundations embedded in a non-homogeneous soil with a weathered crust [texte imprimé] / R. K. N. D. Rajapakse, Auteur ; A. P. S. Selvadurai, Auteur . - 2007 . - pp. 485 –496.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 485 –496
Mots-clés : Shear modulus Foundations Stiffness Soil-structure interaction Torsion Footings Elasticity Résumé : The torsional response of rigid foundations embedded in a non-homogeneous elastic soil with a weathered crust is investigated. The shear modulus of the weathered crust is assumed to decrease linearly with depth and that of the underlying non-homogeneous soil increases linearly with depth. The problems related to both rigid circular and cylindrical foundations are examined by using an integral equation method based on displacement and traction Green's functions of the weathered non-homogeneous medium. Numerical solutions for torsional stiffness of rigid circular foundations are presented for different depths of embedment, gradients of shear modulus profile and depths of weathered crust. A closed form solution based on a simplified stress field in the soil is also developed to evaluate the torsional stiffness of a rigid cylindrical foundation. The torsional stiffness derived by using the approximate solution is compared with the rigorous solution based on exact Green's functions. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.485
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 497 –502
Titre : Revision of effective-stress method of slices Type de document : texte imprimé Auteurs : G. J. W. King, Auteur Année de publication : 2007 Article en page(s) : pp. 497 –502 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Seepage Stability Groundwater Résumé : The classical method of slices is reviewed and shown to have serious deficiencies with respect to its application to the effective-stress analysis of slopes. A revised approach is developed by considering uniform flow through a slice. This approach is shown to cater for the combined influence of buoyancy and seepage forces and to be consistent with the well-known solutions to two special cases. An approximate solution is proposed for the general situation in which flow through the slices is not uniform. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.497 [article] Revision of effective-stress method of slices [texte imprimé] / G. J. W. King, Auteur . - 2007 . - pp. 497 –502.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 497 –502
Mots-clés : Seepage Stability Groundwater Résumé : The classical method of slices is reviewed and shown to have serious deficiencies with respect to its application to the effective-stress analysis of slopes. A revised approach is developed by considering uniform flow through a slice. This approach is shown to cater for the combined influence of buoyancy and seepage forces and to be consistent with the well-known solutions to two special cases. An approximate solution is proposed for the general situation in which flow through the slices is not uniform. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.497
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 503 –509
Titre : Assumptions in simplified slope stability analysis by the method of slices Type de document : texte imprimé Auteurs : I. M. Morrison, Auteur ; J. R. Greenwood, Auteur Année de publication : 2007 Article en page(s) : pp. 503 –509 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Stability Pore pressures Analysis Limit state design Strains Slopes Résumé : Several widely used methods of slope stability analysis are examined and their equations of stability are rearranged so as to demonstrate the physical assumptions underlying the methods. All the methods considered are shown to be based on a common assumption of no strain on the inter-slice boundaries. In addition it is shown that each method implies a particular assumption as to the pore water pressures acting on the inter-slice boundaries. A basic simplified slope stability equation is presented and used to compare the effect of the various pore water assumptions on the calculated factor of safety by reference to a real landslide in which the pore-water distribution in the slope was measured. It is shown that none of the assumed distributions correspond to the observed pore-water pressures. In the methods of analysis which compute the factor of safety more accurately the difference between the assumed and observed pore water pressures acts so as to increase the normal pressure on the slip surface and this compensates to some extent for the assumption of no strain within the slope. It is concluded that there is no theoretical reason for the extent of this compensation and that the use of simplified methods of analysis is only justified for slopes with geometry, soil strengths and pore water pressures similar to those against which the method has been calibrated. If these conditions are not satisfied the implied inter-slice forces should be checked. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.503 [article] Assumptions in simplified slope stability analysis by the method of slices [texte imprimé] / I. M. Morrison, Auteur ; J. R. Greenwood, Auteur . - 2007 . - pp. 503 –509.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 503 –509
Mots-clés : Stability Pore pressures Analysis Limit state design Strains Slopes Résumé : Several widely used methods of slope stability analysis are examined and their equations of stability are rearranged so as to demonstrate the physical assumptions underlying the methods. All the methods considered are shown to be based on a common assumption of no strain on the inter-slice boundaries. In addition it is shown that each method implies a particular assumption as to the pore water pressures acting on the inter-slice boundaries. A basic simplified slope stability equation is presented and used to compare the effect of the various pore water assumptions on the calculated factor of safety by reference to a real landslide in which the pore-water distribution in the slope was measured. It is shown that none of the assumed distributions correspond to the observed pore-water pressures. In the methods of analysis which compute the factor of safety more accurately the difference between the assumed and observed pore water pressures acts so as to increase the normal pressure on the slip surface and this compensates to some extent for the assumption of no strain within the slope. It is concluded that there is no theoretical reason for the extent of this compensation and that the use of simplified methods of analysis is only justified for slopes with geometry, soil strengths and pore water pressures similar to those against which the method has been calibrated. If these conditions are not satisfied the implied inter-slice forces should be checked. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.503
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 511 –524
Titre : Scale and other factors affecting the results of pull-out tests of grids buried in sand Type de document : texte imprimé Auteurs : E. M. Palmeria, Auteur ; G. W. E. Milligan, Auteur Année de publication : 2007 Article en page(s) : pp. 511 –524 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Sands Friction Research Reinforced soil Résumé : Misleading results of pull-out tests have often been reported. Factors such as soil dilatancy or the effects of boundary conditions are usually given as causes. This Paper attempts to group the results of pull-out tests of grids to show a consistent pattern of variation independent of the scale of the test. This has been accomplished by identifying some of the usual causes of misleading results and by considering the grid reinforcement as a succession of bearing elements, buried in the soil, that can interfere with each other. If boundary influences are avoided, the interference between bearing elements is the main factor that affects the results of pull-out tests of grids. It is also observed that, despite its practical advantages, the comparison of a grid to a perfectly rough material, as an upper limit for grid performance, seems not to be the most appropriate. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/search?value1=%27sands%27&option1=fulltext [article] Scale and other factors affecting the results of pull-out tests of grids buried in sand [texte imprimé] / E. M. Palmeria, Auteur ; G. W. E. Milligan, Auteur . - 2007 . - pp. 511 –524.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 511 –524
Mots-clés : Sands Friction Research Reinforced soil Résumé : Misleading results of pull-out tests have often been reported. Factors such as soil dilatancy or the effects of boundary conditions are usually given as causes. This Paper attempts to group the results of pull-out tests of grids to show a consistent pattern of variation independent of the scale of the test. This has been accomplished by identifying some of the usual causes of misleading results and by considering the grid reinforcement as a succession of bearing elements, buried in the soil, that can interfere with each other. If boundary influences are avoided, the interference between bearing elements is the main factor that affects the results of pull-out tests of grids. It is also observed that, despite its practical advantages, the comparison of a grid to a perfectly rough material, as an upper limit for grid performance, seems not to be the most appropriate. ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/search?value1=%27sands%27&option1=fulltext
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 525 –526
Titre : Elasto-plastic unsaturated soil subject to impact Type de document : texte imprimé Auteurs : N. Ghazireh, Auteur ; J. Billam, Auteur Année de publication : 2007 Article en page(s) : pp. 525 –526 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Compaction Deformation Dynamics Strains Stress analysis Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.525 [article] Elasto-plastic unsaturated soil subject to impact [texte imprimé] / N. Ghazireh, Auteur ; J. Billam, Auteur . - 2007 . - pp. 525 –526.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 525 –526
Mots-clés : Compaction Deformation Dynamics Strains Stress analysis Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.525
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 527 –531
Titre : Thin-sample technique of residual strength measurement Type de document : texte imprimé Auteurs : R. J. Chandler, Auteur ; T. N. Hardie, Auteur Année de publication : 2007 Article en page(s) : pp. 527 –531 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Clays Landslides Shear strength Shear tests Soil properties Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.527 [article] Thin-sample technique of residual strength measurement [texte imprimé] / R. J. Chandler, Auteur ; T. N. Hardie, Auteur . - 2007 . - pp. 527 –531.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 527 –531
Mots-clés : Clays Landslides Shear strength Shear tests Soil properties Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.527
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 533 –541
Titre : Crystalline calcite in till : Engineering implications Type de document : texte imprimé Auteurs : J. A. Little, Auteur Année de publication : 2007 Article en page(s) : pp. 533 –541 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Chalk Clays Compressibility Fabric/structure of soils Microscopy Mineralogy Shear strength Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.533 [article] Crystalline calcite in till : Engineering implications [texte imprimé] / J. A. Little, Auteur . - 2007 . - pp. 533 –541.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 533 –541
Mots-clés : Chalk Clays Compressibility Fabric/structure of soils Microscopy Mineralogy Shear strength Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.533
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 543 –547
Titre : Effects of high permeability lenses on efficiency of wellpoint dewatering Type de document : texte imprimé Auteurs : W. Powrie, Auteur ; T. O. L. Roberts, Auteur ; H. E. D. Moghazy, Auteur Année de publication : 2007 Article en page(s) : pp. 543 –547 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Finite elements Groundwater Permeability Seepage Water flow Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.543 [article] Effects of high permeability lenses on efficiency of wellpoint dewatering [texte imprimé] / W. Powrie, Auteur ; T. O. L. Roberts, Auteur ; H. E. D. Moghazy, Auteur . - 2007 . - pp. 543 –547.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 543 –547
Mots-clés : Finite elements Groundwater Permeability Seepage Water flow Note de contenu : Technical Note ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.543
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 549 –552
Titre : Drained principal stress rotation in saturated sand Type de document : texte imprimé Auteurs : M. J. Symes, Auteur ; A. Gens, Auteur ; D. W. Hight, Auteur Année de publication : 2007 Article en page(s) : pp. 549 –552 Note générale : Génie Civil Langues : Anglais (eng) Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.549 [article] Drained principal stress rotation in saturated sand [texte imprimé] / M. J. Symes, Auteur ; A. Gens, Auteur ; D. W. Hight, Auteur . - 2007 . - pp. 549 –552.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 549 –552
Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.549
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 553 –560
Titre : In situ and laboratory stress-strain relationships Type de document : texte imprimé Auteurs : M. Kabbaj, Auteur ; F. Tavenas, Auteur ; S. Leroueil, Auteur Année de publication : 2007 Article en page(s) : pp. 553 –560 Note générale : Génie Civil Langues : Anglais (eng) Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.553 [article] In situ and laboratory stress-strain relationships [texte imprimé] / M. Kabbaj, Auteur ; F. Tavenas, Auteur ; S. Leroueil, Auteur . - 2007 . - pp. 553 –560.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 553 –560
Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.553
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 561–562
Titre : Stability of gravity platforms on clay : Reliability analysis Type de document : texte imprimé Auteurs : T. W. Wu, Auteur ; I.-M. Lee, Auteur Année de publication : 2007 Article en page(s) : pp. 561–562 Note générale : Génie Civil Langues : Anglais (eng) Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.561 [article] Stability of gravity platforms on clay : Reliability analysis [texte imprimé] / T. W. Wu, Auteur ; I.-M. Lee, Auteur . - 2007 . - pp. 561–562.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 561–562
Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.561
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 563 –564
Titre : Use of soft rockfill at Evretou Dam, Cyprus Type de document : texte imprimé Auteurs : J. A. Brown, Auteur Année de publication : 2007 Article en page(s) : pp. 563 –564 Note générale : Génie Civil Langues : Anglais (eng) Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.563 [article] Use of soft rockfill at Evretou Dam, Cyprus [texte imprimé] / J. A. Brown, Auteur . - 2007 . - pp. 563 –564.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 563 –564
Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.563
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 565 –566
Titre : Elasto-plastic version of the double sliding model in undrained simple shear tests Type de document : texte imprimé Auteurs : G. De Josselin de Jong, Auteur Année de publication : 2007 Article en page(s) : pp. 565 –566 Note générale : Génie Civil Langues : Anglais (eng) Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.565 [article] Elasto-plastic version of the double sliding model in undrained simple shear tests [texte imprimé] / G. De Josselin de Jong, Auteur . - 2007 . - pp. 565 –566.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 565 –566
Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.565
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 567 –570
Titre : Deterioration of a wall complex constructed of reinforced earth Type de document : texte imprimé Auteurs : G. E. Blight, Auteur ; M. S. W. Dane, Auteur Année de publication : 2007 Article en page(s) : pp. 567 –570 Note générale : Génie Civil Langues : Anglais (eng) Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.567 [article] Deterioration of a wall complex constructed of reinforced earth [texte imprimé] / G. E. Blight, Auteur ; M. S. W. Dane, Auteur . - 2007 . - pp. 567 –570.
Génie Civil
Langues : Anglais (eng)
in Géotechnique > Vol. 39 N°3 (Septembre 1989) . - pp. 567 –570
Note de contenu : Discussion ISSN : 0016-8505 En ligne : http://www.icevirtuallibrary.com/content/article/10.1680/geot.1989.39.3.567
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