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Article
Spatial variability characterization of clayey waste soils and its impact on probabilistic stability assessment of a landfill slope
Rapid urbanization has caused numerous construction solid waste landfills. Few studies have explored the impact of multi-source waste soils with remarkable spatial variability on the reliability of landfills. ...
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Article
Experimental Study on the Influence of Hypergravity on the Nonlinear Flow Behaviour in Rock Fracture
Understanding the effect of hypergravity on the flow behavior in fractures is essential for using centrifuge modeling to study fluid flow and solute transport in fractured rock. Normal gravity (1 g) and hypergrav...
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Article
Negative mixing enthalpy solid solutions deliver high strength and ductility
Body-centred cubic refractory multi-principal element alloys (MPEAs), with several refractory metal elements as constituents and featuring a yield strength greater than one gigapascal, are promising materials ...
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Article
Influencing factors on fines deposition in porous media by CFD–DEM simulation
Evolution from fines migration to deposition and clogging is critical for many geotechnical and environmental engineering practices. In this study, the coupling of computational fluid dynamic and discrete elem...
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Article
Optimal dynamic nonlinear income taxation with wage regulations
We extend Stiglitz (J Public Econ, 17, 213–240,1982) to a dynamic and stochastic optimal taxation model, while assessing the effects of exogenous wage regulations. We show that when wage regulations are impose...
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Article
Centrifuge model tests on liquefaction mitigation effect of soil-cement grids under large earthquake loadings
In this study, the seismic response and liquefaction mitigation effect of the soil-cement grid improved ground subjected to large earthquake loadings are studied through dynamic centrifuge tests. The model tes...
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Article
Fatal landslides in China from 1940 to 2020: occurrences and vulnerabilities
Landslides result in severe casualties every year in China. However, few historical fatal landslide databases are available for quantitatively assessing the temporal and spatial distribution and the impacts of...
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Article
Hydrogeological classification of municipal solid waste landfill sites in China and correlation with groundwater contaminant migration
Tens of thousands of municipal solid waste (MSW) landfill sites worldwide hold a high risk of contaminating groundwater. This study aimed to establish a practical hydrogeological classification system for MSW ...
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Article
Effects of autoclaved aerated concrete powder admixture on compaction and shear strength characteristics of wet filter cakes
Autoclaved aerated concrete powder (AACP) is a kind of solid waste, which is characterized by strong water absorption ability and low compressive strength. In this work, it is used as the admixture to enhance ...
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Article
Modeling of permeability for granular soils considering the particle size distribution
A model was proposed to predict the permeability of granular soil with various gradations. The pore size distribution for different particle sizes was determined by considering different particle combinations ...
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Article
A model on assessing effects of gas diffusion in multifield coupled process for unsaturated soils
Gas diffusion is an important process in thermo-hydro-mechanical coupled problems of unsaturated soils, e.g., nuclear waste repositories or heated pipeline engineering, which usually strongly affects process o...
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Article
Hypergravity experiments on multiphase media evolution
The gravitational field affects the evolution of multiphase media, such as rocks, soil, and alloy melts. Hypergravity increases the body force of matter, enhancing the driving force of the relative motion betw...
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Article
Open AccessNumerical model for static chamber measurement of multi-component landfill gas emissions and its application
The quantitative assessment of landfill gas emissions is essential to assess the performance of the landfill cover and gas collection system. The relative error of the measured surface emission of landfill gas...
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Article
Open AccessMud pum** in high-speed railway: in-situ soil core test and full-scale model testing
Mud pum** induced by moving train loads on rainwater-intruded roadbed causes intensive track vibrations and threatens safety of high-speed trains. In this paper, a vehicle–track–subgrade finite element model...
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Article
Discrete element modeling of shear wave propagation in carbonate precipitate–cemented particles
Bioremediation is widely used to improve ground soil by introducing calcium carbonate (CaCO3). Shear wave velocity (Vs) is usually adopted to evaluate effect but the microscopic mechanism is unclear. The discrete...
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Article
Classification and quantification of excavated soil and construction sludge: A case study in Wenzhou, China
With rapid urbanization in China, a large amount of excavated soil and construction sludge is being generated from geotechnical and underground engineering. For sustainable management of these construction was...
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Chapter and Conference Paper
Long-Term Performance of Ballastless High-Speed Railway Track Under the Conditions of Ground Water Level Variations
High-speed railways will be exposed to high water level caused by extreme water conditions, such as floods and heavy rainfall, which may influence the soil structure of roadbed, leading to excess accumulative ...
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Chapter and Conference Paper
Investigations into the Critical Speeds in Ballasted and Ballastless Track
The modern high-speed railway usually consists of track structure, subgrade and soil layers. The existence of track structure and subgrade can both improve the critical speed of railway especially when the rai...
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Chapter and Conference Paper
Mud Pum** in Ballastless Slab Track of High-Speed Railway and Its Remediation
Mud pum** is an increasing subgrade distress in ballastless slab track of high-speed railway, which heavily affects the driving comfort and even threatens the driving safety. However, the existing researches...
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Chapter and Conference Paper
Mechanism of Pore Pressure Increase of Saturated Granular Materials Subjected to Repeated Loads
A series of undrained torsional shear tests were conducted to investigate the variation of excess pore water pressure of saturated sand during undrained cyclic loadings. The test results indicate that there is...
