... 2026 Emerald Publishing Limited Licensed re-use rights only fabric/structure of soils particle shape sands superellipsoid true triaxial test National Natural Science Foundation of China 52508379 Jiangxi Provincial Natural Science Foundation 20252BAC200088...

... experimental investigation using 38 centrifuge tests to evaluate the performance of closely spaced pile clusters jacked into sand. Key mechanisms such as pile plugging, enhanced pile penetration resistance and installation efficiency are examined, while an optimum installation sequence is determined. A novel...

... foundation in sand under cyclic lateral loads. The study addresses the knowledge gap in the long-term assessment of these parameters through centrifuge tests, modelling the complete mass distribution of an offshore wind turbine – including the tower and rotor–nacelle assembly – under macrogravity conditions...

...Sheng Zeng; Mahdi Taiebat; Yannis F. Dafalias A new constitutive model based on bounding surface plasticity, developed within anisotropic critical state theory ( ACST ) and incorporating a memory surface, is proposed to simulate sand response with emphasis on cyclic liquefaction. The formulation...

...Kaifeng Zeng; Zhen-Yu Yin; Huabei Liu; Yin-Fu Jin The effect of particle breakage associated with the mechanical behaviour of coral sand has been widely investigated, but not under a three-dimensional stress state with different stress paths and loading directions. In this study, a series of true...

... of conditions, including for instance cyclic loading for offshore applications. Existing advanced constitutive models for sand have limited capability for modelling cyclic loading, are often complex and rarely respect the laws of thermodynamics. HySand_base, a new constitutive model for sand under cyclic...

... Corresponding author Chao Zhou (c.zhou@polyu.edu.hk) 09 01 2025 22 09 2025 © 2025 Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only constitutive relations erosion sands sustainability So far, some constitutive models have been developed...

...Dechun Lu; Jingyu Liang; Zhiwei Gao; Junhong Zhang; Xiuli Du Sand exhibits transversely isotropic ( TI ) characteristics, with its strength properties influenced by the coupling effects of the intermediate principal stress ratio b and the orientation angle δ of the bedding plane...

...’ of the plug under static loading. The derived resistances were compared with the ‘Unified CPT-based method for driven piles in sand’. This method is intended to capture the capacities of fully impact-driven piles at around 14 days after installation, with further shaft capacity gains likely thereafter...

...Shao-Heng He; Zhen-Yu Yin; Zhi Ding Deep-sea mining operations now exceed water depths of 3000 m, necessitating a thorough understanding of the role of low temperature of the seabed (approximately 5°C) in sand behaviour under ultra-high hydrostatic pressure. This study presents the first systematic...

... beads and silica sands to investigate the effects of particle size on G_max considering various particle surface roughness. Results indicate that G_max decreases with increasing particle surface roughness (S_q) and decreasing mean particle size...

...Dechun Lu; Haoran Jin; Zhiwei Gao; Xin Zhou; Xiuli Du Conventional plasticity assumes that a yield surface exists and the direction of plastic strain increment (DPSI) is uniquely dependent on the current stress state. Triaxial stress probing tests of yield and plastic flow of sand have been...

...-element simulations incorporating a particle roughness–embedded contact model and particles of realistic shape. Based on the numerical simulation results, the multi-scale particle shape effects on the small-strain stiffness of sands and the magnitude of Hardin's equation parameters are systematically...

...Eduardo M. Bittar; Barry M. Lehane Ageing of shaft friction is now an accepted characteristic of displacement piles in sand. However, there is little guidance available on how the associated gains in pile capacity can be incorporated in design. This paper provides an overview of findings from...

... a clearly defined basal shear zone (Veveakis et al., 2007 ; Puzrin & Schmid, 2011 ; Handwerger et al., 2019) or flowslides initiated in loose, liquefiable sand pockets bounded by denser, non-liquefiable materials (Sladen et al., 1985 ; Hicks & Onisiphorou, 2005...

... particle matching method were demonstrated using the μCT data of ten HDG particles and 32 fragments that resulted from the crushing of these particles. 07 04 2023 14 08 2023 © 2025 Emerald Publishing Limited 2025 in situ testing morphology particle matching sands X-ray micro...

...Wenli Lin; Ang LIU; Wuwei MAO; Junichi KOSEKI To investigate the behaviour of sands at the particle-scale during shear failure, a series of triaxial compression tests was conducted on dry sands with varying confining stresses and relative densities. These tests were complemented by acoustic...

...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...

... stress levels are typically <10 kPa. This paper presents and interprets a comprehensive test campaign using a novel flat ring penetrometer. This device measures interface friction at stress levels as low as 1 kPa. Drained friction parameters for a range of sands obtained from the ring penetrometer...

...Mengmeng Wu; Jianfeng Wang In this paper, a novel investigation of the particle breakage behaviour of sands is made using combined techniques of X-ray micro-computed tomography (μCT) and sand particle tracking. First, an in situ μCT triaxial test on a miniature sand specimen is conducted to allow...