...Pedram Fardad Amini; Jun Yang Experiences from previous earthquake events have indicated that sands containing non-plastic (silt) or plastic (clay) fines are susceptible to liquefaction. These experiences underline the need for improving the fundamental understanding of the seismic behaviour...

...Kehan Liu; Dong Wang; Jingbin Zheng Dissipation tests after piezocone penetration are used widely to estimate the consolidation behaviour of cohesive soils. Interpretation of dissipation tests is complicated in intermediate soils, such as in silts and silty clays, since the accumulated pore...

... the critical state locus: M_tc, N and X. The framework is kinematic, with no constitutive model: it is a constraint on models. Example data are shown for sands, silts and clays to illustrate the independence of the theory from geological descriptors. 07 03 2020 18...

...Zi Ying; Yu-Jun Cui; Nadia Benahmed; Myriam Duc In this study, the drying-induced microstructure evolution of compacted silt with different salinities is investigated using mercury intrusion porosimetry and environmental scanning electron microscope. The pore size distribution (PSD) of specimens...

...David Reid; Riccardo Fanni The critical state approach, based heavily on the use of the moist tamping (MT) reconstitution method, is finding increasing application in tailings engineering practice. However, the available studies comparing the behaviour of intact and reconstituted samples of silt...

... stiffness, stress level, dilation and drainage during cone penetration and is shown to be consistent with a recently proposed empirical formula for bored piles. 31 10 2018 12 08 2019 © 2019 Thomas Telford Ltd 2019 clays model tests penetrometers piles & piling silts...

...Lu Zuo; Beatrice A. Baudet The existence and failures of silty sand have been reported worldwide, and the behaviour of sand–silt mixtures at small to large strains has been intensively studied. Owing to the relatively low stress level achieved in laboratory testing, no unifying framework has yet...

... of measured data in soils within the permeability range from 10⁻⁵ to 10⁻⁸ m/s. 28 09 2018 10 06 2019 © 2019 Thomas Telford Ltd 2019 in situ testing penetrometers permeability silts In intermediate permeability soils, transient drainage conditions affect...

...Guoxing Chen; Qi Wu; Zhenglong Zhou; Weijia Ma; Weiyun Chen; Sara Khoshnevisan; Jun Yang Although the undrained anisotropic behaviour of sand has been extensively studied, little is known about undrained anisotropy and liquefaction susceptibility of silt soil. This paper presents a systematic...

... permeability silts temperature effects Freeze–thaw cycles are seasonal natural processes occurring in the shallow soils in northern regions, but in some geotechnical applications they could be artificially induced in the ground by means of ground heat exchangers. The cycles can be imposed on purpose...

... and the wider use of the fall-cone approach for soft to medium-stiff clays in establishing the strength variability with changing water content and further index parameters. © 2018 Thomas Telford Ltd 2018 clays laboratory equipment laboratory tests soil classification silts shear strength...

...W.-J. Sun; Y.-J. Cui This note investigates the drying-induced microstructure evolution of reconstituted Jossigny silt through mercury intrusion porosimetry tests. It was observed that when the water content is higher than the shrinkage limit, the pore size distribution (PSD) curve shifts...

... © 2017 Thomas Telford Ltd 2017 clays laboratory tests sands silts suction The soil-water characteristic curve (SWCC) describes the relationship between matric suction and water content (Williams, 1982 ; Fredlund & Rahardjo, 1993) and has been heavily utilised to characterise...

... to evaluate Bishop's parameter from the changes suffered by material pore size distribution during loading. The method is applied to data obtained by mercury intrusion porosimetry tests on low-plasticity silt (Jossigny silt), low-plasticity sandy clay (lean clay) and highly plastic clay (Febex clay). Values...

... Telford Ltd 2016 dams dynamics earthquakes liquefaction mining & quarrying silts Cemented paste backfill (CPB), which is a mixture of full stream tailings, cement and water, is widely used to backfill mined-out voids (stopes). Backfilling stopes provides additional stability...

... type in these soils. This paper reports results from a series of model tests undertaken to provide insight into the behaviour of a torpedo anchor during dynamic installation and monotonic pullout in lightly overconsolidated calcareous silt. The tests were carried out in a beam centrifuge, varying...

... and Environmental Engineering, University of California, Davis, CA, USA; also Department of Mechanics, National Technical University of Athens, Hellas. 27 4 2014 7 10 2014 © 2014 Thomas Telford Ltd 2014 constitutive relations liquefaction plasticity sands silts The deviatoric...

..., Hong Kong. 22 4 2014 15 8 2014 © 2014 Thomas Telford Ltd 2014 laboratory tests liquefaction sands silts Static liquefaction of saturated sand, characterised by a dramatic loss of strength and a rapid development of large deformation in undrained monotonic shearing...

...E. PONZONI; A. NOCILLA; M.R. COOP; F. COLLESELLI An analysis was made of an extensive series of oedometer and triaxial tests on intact samples of silts and silty clays from the lagoon of Venice, as well as a more limited series of carefully controlled oedometer tests on reconstituted specimens...

... allowing quantitative treatment of the difference in coefficients of consolidation derived from laboratory oedometer or in-situ dissipation testing. The effect of partial consolidation during the penetration phase is also considered. clays consolidation finite-element modelling penetrometers silts...