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heong » cheong (Expand Search), leong (Expand Search), heng (Expand Search)
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2301
Weighted average velocity forward modelling of Rayleigh surface waves
Published 2013“…Forward modelling is an integral part of inversion analyses of surface wave tests to obtain ground stiffness or shear wave velocity profile. Current rigorous forward modelling methods are complex and can be computationally expensive. …”
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Journal Article -
2302
Effect of rainfall on the slope stability of residual soil in Singapore
Published 2008“…The project consisted of field and laboratory investigations to establish the shear strength and permeability characteristics of selected residual soils, field instrumentation to study matric suction profiles in a typical residual soil slope, field reconnaissance of several rainfall-induced landslides, and a numerical back analysis of a failed slope.…”
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Research Report -
2303
Layered construction of integrated sulfur-bridged CoNi-S/rGO architecture for enhanced electrochemical energy storage
Published 2024“…This study introduces a novel cathode material composed of CoNi-sulfides (CoNi-S) nanostructured flakes and reduced graphene oxide (rGO) sheets designed to be connected through additional sulfur atoms to enhance their conductivity and electroactive surface area for hybrid supercapacitors. …”
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Article -
2304
Stress singularity of a notch in a higher-order elastic solid under anti-plane deformation
Published 2020“…Specifically, for a given notch angle the stress exponent becomes more negative with decrease in the first Lamé constant λ and the third-order elastic constant n, and with the increase in the magnitude of the negative third-order constant m, while it varies non-monotonically with the second Lamé constant (shear modulus) µ.These results have significant implications for notch-like defects in soft solids, e.g., replacement tissues, industrial robots and devices in biomedical applications.…”
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Journal Article -
2305
Seismic behavior of interior concretebeam-column joints with non-seismic and limited seismic detailing
Published 2009“…Recent post-earthquake investigations indicated that extensive damage occurred as a result of excessive shear deformation and severe strength degradation of the beamcolumn joints in non-seismically detailed frames, thus leading to full collapse of structures. …”
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Final Year Project (FYP) -
2306
Study of endothelial cell apoptosis using fluorescence resonance energy transfer (FRET) biosensor cell line with hemodynamic microfluidic chip system
Published 2014“…A 12% apoptotic rate (nearly a 4-fold increase compared to the static condition) was observed when the endothelial cells were exposed to a high glucose concentration of 20 mM under 2 h exhaustive pulsatile shear stress of 30 dyne cm−2 and followed with another 10 h normal pulsatile shear stress of 15 dyne cm−2. …”
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Journal Article -
2307
Geobarrier system for use in underground structure
Published 2018“…On the other hand, the negative pore-water pressure contributes additional shear strength to the unsaturated soil. As water infiltrates into the slope, pore-water pressure in the slope increases (matric suction decreases), and the additional shear strength due to matric suction will decrease or even disappear, causing the slope to be more susceptible to failure. …”
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Book -
2308
Preparation of graphene - based photocatalyst for environmental application
Published 2015“…In this study, a hybrid nanocomposite Graphene-based photocatalyst (GO-COOH-CuS-Ag) was synthesised via a facile two-phase (toluene-water) method, with the incorporation of carboxylic acid functionalised graphene oxide sheets (GO-COOH), silver (Ag) nanoparticles, and copper sulfide (CuS) nanoplates that were synthesised individually. …”
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Final Year Project (FYP) -
2309
Forecasting the occurrence of injection-induced heterogeneous slip on rock fractures
Published 2023“…We can also observe how the fluid pressure front propagates until the ratio of shear stress and frictional resistance approaches unity or is constrained with the ratio far below unity. …”
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Journal Article -
2310
High expression of MnSOD promotes survival of circulating breast cancer cells and increases their resistance to doxorubicin
Published 2017“…Cancer cells with high levels of manganese superoxide dismutase (MnSOD) exhibited stronger resistance to shear force-induced apoptosis and formed more lung metastases in mice. …”
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Journal Article -
2311
Role of micro- and nano-cobalt ferrite as an additive in enhancing the viscous behaviour of magnetorheological grease
Published 2024“…Therefore, cobalt-ferrite (CoFe2O4) in micro- (M) and nanosized (N) as an additive incorporated in this study to reduce the initial off-state viscosity and simultaneously maintain the resultant shear and yield stress of MRG during on-state conditions. …”
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Article -
2312
Urban site characterization using DAS dark fibers on the MIT campus in Cambridge, Massachusetts
Published 2024“…We invert the phase velocity dispersions to resolve the shear-wave velocity (VS) in the top 120 m of the subsurface. …”
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Article -
2313
Behavior of reinforced concrete slab column connections with various corroded reinforcements under cyclic loading
Published 2024“…Many previous studies have been focusing on the ultimate shear strength of uncorroded concrete specimens but not corroded specimens. …”
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Final Year Project (FYP) -
2314
Integral modelling of brine discharge in coastal waters
Published 2010“…The integral model was applied to the negative jet by closing an equation for Reynolds shear stress by conducting experiments. Experimental results were then extracted and analysed on MATLAB to fit the Reynolds shear stress curve characterised by dual Gaussian. …”
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Final Year Project (FYP) -
2315
Debonding of adhesively bonded composite joints
Published 2023“…To create a debonding map, glass fibre reinforced polymer (GFRP), Aluminium (AL) and Titanium (TI) alloy sheets were joined together using a modified epoxy film adhesive (tailored adhesive). …”
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Final Year Project (FYP) -
2316
Effect of lubrication on the nano-structure of soft metals
Published 2020“…The fabrication will be carried out by imprint anodized aluminum oxide template aluminum sheets. Anodized aluminum oxide is chosen due to its repeatability and range of pore diameters. …”
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Final Year Project (FYP) -
2317
The effectiveness of bio-anchorage system in reinforcing tropical residual slope
Published 2025“…Root tensile strength, compressive strength, and shear strength were determined by conducting an unconfined compression test and a direct shear test. …”
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Conference or Workshop Item -
2318
Load-carrying capacity of ultra-thin shells with and without CNTs reinforcement
Published 2023“…Different from the classical membrane theory, the present theory (first-order shear deformation theory) simultaneously takes into account the membrane, shear and bending strains/stiffnesses of structures. …”
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Journal Article -
2319
Uncovering wear mechanism of a Fe2Ni2CrAl multi-principal elements alloy
Published 2023“…The large displacement and shear strain region were concentrated below the rigid ball, and the atomic damage was identified. …”
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Journal Article -
2320
Computational modeling of low-density lipoprotein accumulation at the carotid artery bifurcation after stenting
Published 2023“…Restenosis typically occurs in regions of low and oscillating wall shear stress, which also favor the accumulation of atherogenic macromolecules such as low-density lipoprotein (LDL). …”
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Article