... 1 2014 © 2014 Thomas Telford Ltd 2014 in-situ testing laboratory tests liquefaction sands shear strength Liquefaction triggering analysis involves evaluating whether the combined initial static and monotonic triggering shear stresses are sufficient to overcome...

... as slopes. The characterisation of unsaturated soils requires expensive and time-consuming site investigations involving soil borings and undisturbed sampling for laboratory testing. Performing the cone penetration test (CPT), a widely used in-situ test, in an unsaturated soil may permit less costly...

... to poor, with sequences of better-sorted laminae showing abrupt changes between fine and coarse sand. 20 01 2003 27 03 2003 © 2003 Thomas Telford Ltd 2003 fabric/structure of soils geology groundwater in-situ testing sampling sands The nature of fractures in dual...

.... Ces relations sont comparées à celles enregistrées à l'intérieur du massif de granite et à la surface de la roche. En se basant sur les résultats, on examine les effets des différents milieux sur la propagation de l'onde. field instrumentation grouting in-situ testing rock, soil, vibrations...

... stiffer layer inside formation A and the moderately cemented layer in formation C (Fig. 3). dynamics in-situ testing site investigation stiffness waves and wave loading Seismic tests are widely used in geotechnical engineering to identify the small-strain mechanical parameters of soils...

... venant des arbres. in-situ testing partial saturation site investigation suction Geotechnical engineers conventionally take a very short-term view of soil and soil-water characteristics, even when the soil is unsaturated. When a site is investigated in the conventional way, test pits...

... pour une profondeur entre 900 m et 7000 m dans des conditions non perturbées et diminue de 2 à 3 fois dans des conditions de déchargement-rechargement. compressibility consolidation constitutive relations environmental engineering in-situ testing rocks/rock mechanics The compaction...

... méthode pour mesurer la porosité in situ sur deux sites en Italie en utilisant des données sismiques de forage transversal. Les résultats obtenus correspondent parfaitement aux données de laboratoires indépendantes obtenues à partir de spécimens de sol non perturbés. dynamics elasticity in-situ...

... decreases the reduction in vertical stress will increase. full-scale tests in-situ testing sands site investigation Calibration chambers have been used for many years to obtain correlations between cone resistance in sand and the principal factors on which it depends, namely relative density...

...-wave velocity is desirable. 23 11 2001 28 01 2002 © 2002 Thomas Telford Ltd 2002 dynamics in-situ testing laboratory tests liquefaction partial satuartion sands The condition of partial saturation may produce two major impacts in earthquake geotechnical engineering...

... pile mass, m_pc, during the impact can be calculated as follows: © 2001 Thomas Telford Ltd 2001 bearing capacity dynamics in-situ testing piles stress analysis time dependence For pile driving the Hiley formula has been widely applied in order to assess pile...

... of generalised regression neural networks for site characterisation. The results show that the neural network approach has the potential to be a practical tool for site characterisation. in-situ testing neural networks site investigation statistical analysis Thus the output a₁...

... en faisant la corrélation entre pressions interstitielles dissipées au bout de la piézosonde conique et la réponse à la base du piézocône. clay constitutive relations in-situ testing permeability pore pressures theoretical analysis Reliable measurements of in-situ pore pressures...

... sur place dans l’agile marine de Singapour indique la validité des méthodes d’analyse proposées. clays failure in-situ testing pore pressures shear strength theoretical analysis The piezocone is a static cone penetrometer with the capability of measuring the penetration pore water...

... on the excess pore water pressure induced by cavity expansion. As both the excess pore water pressure and the cavity pressure are expressed explicitly in terms of the primitive modified Cam clay parameters, the solutions may provide a theoretical basis for the interpretation of in-situ tests...

..., and from in-situ tests using the piezocone. The three sets of figures showed good agreement with each other, which suggests that the secondary consolidation was negligible compared with the primary consolidation in the case herein, in which vertical drains were used. Cette étude analyse la performance...

... describes how densification of granular soils has progressed with the development of new equipment, the greater appreciation in the manner in which soils respond to both vibration and displacement, and the importance of workmanship during treatment. A number of case histories including in-situ test results...

..., en T et sphériques. bearing capacity clays in-situ testing plasticity shear strength theoretical analysis There are many engineering developments that require accurate determination of the shear strength of soft sediments. These range from tailings dams, through bridges over...

..., and the Stark & Olson (1995) method, empirically determined curves are used to predict liquefaction and non-liquefaction. These empirical curves are essentially performance functions that were established based on field observations of soil performance in earthquakes at sites where in-situ test...

... cisaillement et des ondes de compression à la surface. Nous avons établi les FRF en nous basant sur des données simulées. Les résultats numériques proportionnels sont en accord avec les valves de mesure. dynamics in-situ testing numerical modelling and analysis site investigation vibration waves...