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Article
Study on the particle breakage of coral sand in the ring shear experiment
Coral sand, a geotechnical material commonly encountered in geotechnical engineering practice, is susceptible to particle breakage under external loads. Particle breakage has always been a hot topic in geotech...
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Article
Shear characteristics of granular materials with different friction coefficients based on ring shear test
Interparticle friction is an intrinsic property of particles, which plays an important role in the macroscopic and microscopic shear mechanical properties of granular materials. In this research, we investigat...
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Article
Open AccessDynamics of granular debris flows against slit dams based on the CFD–DEM method: effect of grain size distribution and ambient environments
Earth surface flows in nature, like debris flows and rock avalanches, have threatened people’s safety and infrastructure during past decades. Though grain size distribution (GSD) has been acknowledged as a cru...
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Article
Open AccessReport on the international workshop on seismic design and assessment for resilience, robustness and sustainability of slope engineering, 13–15 January 2023, Shanghai, China
The International Workshop on Seismic Design and Assessment for Resilience, Robustness and Sustainability of Slope Engineering was held on 13–15 January 2023 on line, focusing on the theme of “Seismic resilien...
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Article
Rate-Dependent Weakening of the Shear Force for the Submerged Granular Medium Based on the Experimental Study
An experimental study is conducted to describe rate-dependent shear strength in a submerged granular medium to understand the mystery of submarine landslides with extremely small slide angles and long run-out ...
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Article
Numerical Simulation of Liquefaction-Induced Settlement of Existing Structures
This study presents a numerical approach for assessment of the structure settlement problems in liquefied soils. The fluid dynamics theory was applied to model the liquefied soils and the rigid body dynamics t...
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Article
Investigation on strength degradation of sandy soil subjected to concentrated particle erosion
There is increasing concern regarding local concentrated erosion scenarios such as pi** and underground cavities due to their catastrophic consequences. In this study, local concentrated erosion was reproduc...
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Article
Successful disaster management of the July 2020 Shaziba landslide triggered by heavy rainfall in Mazhe Village, Enshi City, Hubei Province, China
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Article
Acoustic emission characteristics of a dry sandy soil subjected to drained triaxial compression
Acoustic emission (AE) technique that is capable of diagnosing the failure process of stressed materials has rarely reported its application to sandy soils subjected to triaxial compression. In this paper, dra...
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Chapter and Conference Paper
Frequency Response of Acoustic Emission to Characterize Particle Dislocations in Sandy Soil
The understanding of internal response of particle dislocations is vital to clarify the progressive failure in granular materials. This paper proposes a non-destructive testing method, Acoustic Emission (AE) t...
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Chapter and Conference Paper
Acoustic Emission Technology to Investigate Internal Micro-Structure Behaviour of Shear Banding in Sands
Current experimental techniques used to understand the shear banding process in sands provide little insight into the internal micro-structure evolution. To this end, Acoustic Emission (AE), as a non-destruct...
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Article
Application of Advanced Procedures to Model Tests on the Subsoil Behavior Under Vertical Loading of Group Pile in Sand
It is known that bearing behavior of group pile is substantially different from the superposition of the single-pile loading in both clay and sandy grounds when the pile spacing is narrower. However the mechan...
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Article
Liquid-Gas-Like Phase Transition in Sand Flow Under Microgravity
In previous studies of granular flow, it has been found that gravity plays a compacting role, causing convection and stratification by density. However, there is a lack of research and analysis of the characte...
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Article
First results derived from a drop-tower testing system for granular flow in a microgravity environment
Because of the low-gravity on the Moon and Mars, landslides there have characteristics that are very different from those observed in a conventional gravity environment. These include highly marked dynamic cha...
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Article
Triaxial tests on the fluidic behavior of post-liquefaction sand
Liquefaction-induced ground deformation is a major cause of structural damage during earthquakes. However, a better understanding of seismic liquefaction is needed to improve earthquake hazard analyses and mit...
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Article
Computational fluid dynamics modeling of post-liquefaction soil flow using the volume of fluid method
Flow deformation of post-liquefaction soil during an earthquake can cause serious damage to engineering structures. To overcome the limitations of conventional deformation analysis methods based on solid mecha...
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Article
Flow analysis of liquefied soils based on smoothed particle hydrodynamics
To overcome the disadvantages of traditional flow analysis methods for liquefied soils that exhibit fluidization and large deformation characteristics, Smoothed particle hydrodynamics (SPH) is adopted in this ...
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Article
Numerical simulation of air–soil two-phase flow based on turbulence modeling
Soil flow and induced air blasts are of great harm to humanity, and historically they have caused a lot of damage to infrastructure. However, these phenomena cannot be described by traditional analog modeling ...
