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Article
Centrifuge Modeling of Soil Liquefaction Triggering: 2017 Pohang Earthquake
Soil liquefaction by earthquake results in significant soil deformation and can cause substantial damage to infrastructure. Accordingly, there is a critical need to analyze earthquake case histories, and such ...
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Article
Open AccessFlow-Driven Deformation in Granular Porous Media: Dimensionless Analysis
Fluid injection can induce mechanical deformation in granular porous media due to the elevation of internal pore fluid pressure. This gains more significance when more than two immiscible fluids are involved, ...
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Article
Open AccessMulti-source remote sensing-based landslide investigation: the case of the August 7, 2020, Gokseong landslide in South Korea
Landslides pose a growing concern worldwide, emphasizing the need for accurate prediction and assessment to mitigate their impact. Recent advancements in remote sensing technology offer unprecedented datasets ...
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Article
Open AccessOxidative photocatalysis on membranes triggers non-canonical pyroptosis
Intracellular membranes composing organelles of eukaryotes include membrane proteins playing crucial roles in physiological functions. However, a comprehensive understanding of the cellular responses triggered...
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Article
Pullout behavior of tree root-inspired anchors: development of root architecture models and centrifuge tests
Construction and installation of foundation and anchorage elements often require large amounts of material and energy, which can lead to negative environmental and economic impacts. In contrast, even with mate...
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Article
RootBot: root-inspired soft-growing robot for high-curvature directional excavation
Bio-inspired robotics garners a significant interest with an aim to improve performance and efficiency in a variety of geotechnical engineering practices. Particularly, the urban environment calls for a new ro...
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Article
Sentinel-1 Persistent Scatterer Interferometric Synthetic Aperture Radar (PS-InSAR) for Long-Term Remote Monitoring of Ground Subsidence: A Case Study of a Port in Busan, South Korea
Reclamation has allowed rapid land expansions for economic zones, residential areas, airports, industrial parks, and seaports. Meanwhile, the reclaimed lands often pose a risk of ground subsidence, jeopardizin...
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Article
Entrapment of clay particles enhances durability of bacterial biofilm-associated bioclogging in sand
Utilization of bacterial biofilms and extracellular polymeric substances (EPS) for engineered bioclogging has recently garnered increasing attention in various geotechnical practices, such as leakage sealing i...
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Article
A Newly Developed State-of-the-Art Full-Scale Excavation Testing Apparatus for Tunnel Boring Machine (TBM)
Construction of urban tunnels using a tunnel boring machine (TBM) is often favored over drilling-and-blasting based excavation method. Often, TBMs are customized and re-used in fields. However, little effort h...
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Article
Preliminary report of a catastrophic landslide that occurred in Gokseong County, South Jeolla Province, South Korea, on August 7, 2020
We report a catastrophic landslide occurred in Gokseong County, South Korea, on August 7, 2020. Torrential rain, with a cumulative rainfall of more than 250 mm for the preceding 3 days, contributed as a trigge...
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Article
Open AccessAnalysing the mechanism of mitochondrial oxidation-induced cell death using a multifunctional iridium(III) photosensitiser
Mitochondrial oxidation-induced cell death, a physiological process triggered by various cancer therapeutics to induce oxidative stress on tumours, has been challenging to investigate owing to the difficulties...
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Article
Open AccessAssessment of barrier location effect on debris flow based on smoothed particle hydrodynamics (SPH) simulation on 3D terrains
Debris flows are one of the perilous landslide-related hazards due to their fast flow velocity, large impact force, and long runout, in association with poor predictability. Debris-flow barriers that can minim...
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Article
Study on Viscous Fluid Flow in Disordered-Deformable Porous Media Using Hydro-mechanically Coupled Pore-Network Modeling
We investigate viscous fluid flows and concurrent fluid-driven deformations in porous media. The hydro-mechanically (H-M) coupled pore-network model (PNM) is developed, which combines the two-dimensional squar...
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Chapter and Conference Paper
Numerical Analysis at the Particulate Scale of Sand Erosion Under Im**ing Jet
The im**ing jet test is widely used in laboratory and in situ to determine critical shear stress and erodibility rate of soils. However, quantification of the forces under this test at the soil particulate l...
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Article
Open AccessPhosphorescent Energy Downshifting for Diminishing Surface Recombination in Silicon Nanowire Solar Cells
Molecularly engineered Ir(III) complexes can transfer energy from short-wavelength photons (λ < 450 nm) to photons of longer wavelength (λ > 500 nm), which can enhance the otherwise low internal quantum effici...
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Article
Effect of slit-type barrier on characteristics of water-dominant debris flows: small-scale physical modeling
Slit-type barriers, one of open-type barriers, are widely used as active measures to mitigate potential risk and damage by debris flows, and those are designed and installed to reduce the flow energy by only p...
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Article
Observation of the Degradation Characteristics and Scale of Unevenness on Three-dimensional Artificial Rock Joint Surfaces Subjected to Shear
The present study explores the degradation characteristics and scale of unevenness (small-scale roughness) on sheared rock joint surfaces at a low-stress regime. While the degradation characteristics of uneven...
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Article
Open AccessUltrafast Fabrication of Flexible Dye-Sensitized Solar Cells by Ultrasonic Spray-Coating Technology
This study investigates novel deposition techniques for the preparation of TiO2 electrodes for use in flexible dye-sensitized solar cells. These proposed new methods, namely pre-dye-coating and codeposition ultra...
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Article
Site characterization and geotechnical aspects on geological storage of CO2 in Korea
The long-term storage of carbon dioxide (CO2) in deep geological formations, known as geological CO2 storage (GCS), has the potential to reduce CO2 emissions by 20%, a figure considered necessary to stabilize atm...
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Article
Open AccessEffect of Partial Water Saturation on Attenuation Characteristics of Low Porosity Rocks
