80 Result(s)
within
Hui**g Chen
Earth Sciences
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Article
Burden Effects on Rock Fragmentation and Damage, and Stress Wave Attenuation in Cut Blasting of Large-Diameter Long-Hole Stopes
Cut blasting with single free surface is the first step of the large-diameter long-hole (LDL) mining method, which creates more relief space for subsequent blasting procedures. The minimum burden (W) is a critica...
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Article
Dam Health Diagnosis Model Based on Cumulative Distribution Function
Traditional methods for diagnosing dam health often rely on single point measurements, which require assumptions about the distributions of these measurements. These approaches fail to integrate multiple measu...
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Article
Open AccessEl Niño and La Niña asymmetry in short-term predictability on springtime initial condition
El Niño-Southern Oscillation (ENSO) asymmetry in predictability on springtime initial condition remains unclear. From the perspective of the spring predictability barrier (SPB), this paper investigates the ENS...
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Article
Open AccessInteraction between different mixing aerosol direct effects and East Asian summer monsoon
Aerosol mixtures, which are still unclear in current knowledge, may cause large uncertainties in aerosol climate effect assessments. To better understand this research gap, a well-developed online coupled regi...
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Article
Attenuation Characteristics of Blasting Stress Under Decoupled Cylindrical Charge
Decoupled cylindrical charge structure is widely used in contour blasting to reduce overbreak and control rock damage, which is critical to the safety and efficiency of rock excavation. The blasting effect str...
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Article
Study on Supporting Technology of A Mining Roadway in Fault Fracture Zone with High Altitude
Accidents such as roof caving, water permeation, and instability of supporting structures often occur in the roadway in the fault fracture zone of the Beizhan iron mine after excavation because of the coupling...
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Article
Open AccessSegmentation characteristics of deep, low-frequency tremors in Shikoku, Japan using machine learning approaches
Shikoku island, southwestern Japan lies in the western Nankai Trough and showcases along-strike segmentation of slow earthquake behavior. Whether the spatial variation of tremor behavior reflects the regional ...
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Article
Effects of Joint Roughness, Shear Rate, and Normal Stress on Shear Behavior and Acoustic Emission Characteristics in Two Parallel Coplanar Intermittently Jointed Rock: An Experimental Study
We conducted laboratory direct shear tests on two parallel coplanar intermittently jointed rock to investigate the effect of joint roughness and loading conditions on the shear behavior and acoustic emission c...
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Article
Analysis of the performance of flow field modes around double round-ended piers
Because of the interaction between the flow and piers, the velocity of coherent turbulent flow around tandem double round-ended piers becomes complicated, proposing a threat to the navigation in the bridge are...
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Article
Normal Closure Behavior of Rock Fractures Considering Transition from Elastic Deformation to Fully Plastic Flow
A rock fracture closure analysis considering the transition from elastic deformation to fully plastic flow is established.
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Article
Olivine and melt inclusion chemical constraints on the nature and origin of the common mantle component beneath eastern Asia
Geochemical compositions of Cenozoic intraplate volcanic rocks in eastern Asia reveal a highly heterogeneous mantle beneath them. Basalts from the northeast Asia are characterized by EM1 (Enriched Mantle-1) is...
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Article
Open AccessImproving the performance of city-scale hydrodynamic flood modelling through a GIS-based DEM correction method
Flood modelling can provide useful information to support flood risk assessment and management. The accuracy of flood simulation results is highly dependent on the quality of input data. In particular, digital...
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Article
Open AccessReal-time single particle characterization of oxidized organic aerosols in the East China Sea
Knowledge of the chemical characteristics and sources of organic aerosols (OA) over marine is needed for evaluating their effects on climate change and air quality. Here, a quadrupole aerosol chemical speciati...
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Article
Open AccessFeasibility study on artificial preparation of structured loess
Structure collapse and subsidence are non-negligible geotechnical problems in loess areas. Within this framework, homogeneous and undisturbed samples are critical for effective research on loess structure. Hen...
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Article
Influence of stress conditions on shear behavior of slip zone soil in ring shear test: an experimental study and numerical simulation
Slip zone soil is one of the most inherent factors affecting the stability of landslides. In engineering practice, the in situ slip zone soil layer may experience different stress histories and thus have diffe...
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Article
A dynamic assessment method on collapse risk of small spacing tunnels based on attribute interval recognition model
Due to the small thickness of the middle rock wall, the complex surrounding rock stress, and the great influence of construction, the large deformation and even the collapse of the vault are easy to occur in t...
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Article
Influence of water and salt on suction characteristics of unsaturated clay: variation, mechanism, and fitting
In order to clarify the suction characteristics of unsaturated clay under different conditions of water and salt, taking soil in western Jilin province, China as the research object, the suctions (matrix sucti...
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Article
Dynamic characteristics of **anyang loess based on microscopic analysis: a quantitative evaluation
In order to achieve a quantitative evaluation of the relationship between microstructure and dynamic characteristics of saturated loess, scanning electron microscope tests were carried out on the undisturbed s...
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Article
3D Step-by-step inversion strategy for audio magnetotellurics data based on unstructured mesh
A three-dimensional (3D) step-by-step inversion strategy for audio magnetotellurics (AMT) is investigated in this study. The objective function is minimized by iteratively solving the Gauss-Newton normal equat...
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Article
Study on Representative Volume Elements Considering Inhomogeneity and Anisotropy of Rock Masses Characterised by Non-persistent Fractures
This study takes the rock masses in the dam foundation of a sluice gate of the Datengxia Hydropower Station in China as a case study to determine the geometrical and mechanical representative volume elements (...
