... triggering strength of cohesionless soils is validated by comparison with several cases of liquefaction failures. * Western University, Department of Civil and Environmental Engineering, London, Ontario, Canada. 10 8 2013 3 1 2014 © 2014 Thomas Telford Ltd 2014 in-situ testing...

... 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 and more rapid characterisation of the soil...

... of soils geology groundwater in-situ testing sampling sands The nature of fractures in dual porosity aquifers, such as the UK Permo-Triassic sandstones or Chalk, is of fundamental importance in developing models for solute transport. Fractures are usually regarded as open discontinuities...

... effets des différents milieux sur la propagation de l'onde. field instrumentation grouting in-situ testing rock, soil, vibrations Stress waves generated by the detonation of explosives have significant effects on nearby structures such as buildings, bridges and dams. In the worst...

... permettre les comparaisons dynamics in-situ testing site investigation stiffness waves and wave loading Fig. 3. Borehole log and results from the cross-hole test Fig. 4. Shear damping ratio plotted against frequency for Pancone Clay at very small strains (after Lo Presti...

... particulièrement au composant transpiration de l'évapotranspiration totale et de l'évapotranspiration venant des arbres. in-situ testing partial saturation site investigation suction The Clarens annual water balance has been observed over a period of 14 months from 16 August 2000 to 18 October...

... 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 of gas/oil-bearing formations due to fluid removal is a major concern in under...

.... dynamics elasticity in-situ testing theoretical analysis One of the main uses of seismic prospecting in geophysics and geotechnical engineering is for determining the fields of shear and dilatational wave velocities V_S and V_P. These fields are important...

...J. Yong 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. One...

... from the chamber walls, and the cone resistance would be expected to become less, at least in those tests where lateral deformation is prevented. full-scale tests in-situ testing sands site investigation © 2002 Thomas Telford Ltd 2002 28 08 2001 28 01 2002...

...T. Triantafyllidis 27 08 2000 08 08 2001 © 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 capacity during the final...

... être un outil pratique pour la caractérisation de site. in-situ testing neural networks site investigation statistical analysis The ultimate goal in site characterisation is to be able to estimate the in situ soil properties at any half-space (subsurface) point at a site...

... exactitude en une heure sur ce site 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...

... the proposed methods with published data and limited field data collected in the Singapore marine clay indicates the validity of the proposed analysis methods. clays failure in-situ testing pore pressures shear strength theoretical analysis (3) s u s u ∗ = 1 + 0 · 1 ( log...

... 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. Figure 7 shows the typical cross...

... 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...

... mesurée des pénétromètres coniques, 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...

... methods based on in-situ tests such as the standard penetration test (SPT) and the cone penetration test (CPT) are preferred by geotechnical engineers for evaluating earthquake-induced liquefaction potential of soils. While the SPT-based methods such as Seed et al. (1985) have been widely used...

... avons montré l'effet d'une incorporation des contributions des ondes de 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...