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Investigation of Pore Structure and Adsorption/Desorption Properties of Coal in the Non-uniform Stress Zone: Implications for Coal and Gas Outburst
The haulage roadway of the F 15 -22080 working face, No.8 mine is situated within a special non-uniform stress zone. In this area, the...
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Exploring the dynamical bifurcation and stability analysis of Nipah virus; novel perspectives utilizing fractional calculus
A zoonotic virus called the Nipah virus (NV) can create deadly illness epidemics in humans. The animal host repository for NV is the fruit bat,...
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Investigation on Rock Fracturing in Presplit Blasting Under Various Initial Stresses
The evolution characteristics of rock fracturing in presplit blasts are generally affected by in situ stress resulting from tectonic forces in the...
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Dynamic Mechanical Response and Fracture Characteristics of Multi-flawed Rocks Exposed to Hydrostatic Confinements
Flawed rocks subjected to hydrostatic confinements in deep underground engineering are vulnerable to dynamic disturbances. Understanding the dynamic...
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Size effect characteristics of structural surfaces by improved projective covering method
Accurate characteristic of structural surfaces roughness at the relevant scale is very important to understand mechanical properties of rock mass...
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Modelling of Bottom Air-Deck Blasting in a Single Hole, Using the SPH–FEM Method
Experimental and analytical researches have shown that the use of the bottom air-deck blasting improves fragmentation and reduces toe problems. In...
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Powder Mass of Coal After Impact Crushing: A New Fractal-Theory-Based Index to Evaluate Rock Firmness
Firmness is one of the most important physical properties of rock, and indicates the rock’s ability to resist damage. It has considerable relevance...
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Research on Quantitative Characterization of 3D Fractures Induced by Hydraulic Fracturing: Insights from Experimental Analysis and Mathematical Models
Hydraulic fracturing (HF) is a widely used reservoir reconstruction technology in unconventional oil and gas development. Quantitative...
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Analysis of earthquake hypocenter characteristics using chaos game representation
This paper proposes a new method to approach earthquake hypocenter studies based on Chaos Game Representation (CGR), a method initially used for...
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Fractal behavior of BDS-2 satellite clock offsets and its application to real-time clock offsets prediction
The satellite clocks of the BeiDou Navigation Satellite System (BDS) have characteristic differences compared to those of the global positioning...
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Investigation of Microscopic Pore Structure and Permeability Prediction in Sand-Conglomerate Reservoirs
The microscopic pore structure of sand-conglomerate rocks plays a decisive role in its exploration and development of such reservoirs. Due to complex...
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Experimental and Theoretical Investigation on the Unloading Creep Behaviors of Frozen Soil
The unloading creep deformation and failure of the frozen surrounding rock and soil stratum are common problems in artificial freezing construction....
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Influence of Flaw Density on Shear Fracturing and Fractal Behavior
This chapter investigates the influence of flaw density on the shear fracturing and fractal behavior of rock bridges in jointed rock slopes. The flaw...
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Evaluation of seismicity and seismotectonics in the Alborz Mountains: insights from seismic parameters, Northern Iran
The Alborz Mountains are among the areas exhibiting high tectonic and seismic activity in northern Iran. Studying key parameters of tectonic...
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Experimental study on multiple propagation characteristics of stress wave and surface displacement behavior in coal based on SHPB and DIC
Understanding the damage evolution behavior of coal under stress wave can provide a theoretical basis for preventing rock burst. In this work, the...
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Introducing Improved Performance of Boxplot (New Method) in Estimating the Threshold (Separating Anomalies from the Background)
AbstractHanza district is located in the southern part of Urumieh–Dokhtar Metallogenic belt in southeastern Iran. This region includes fourteen...
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Dynamic compression behaviors of heat-treated granite under combined dynamic and static load
Combined dynamic and static loading tests with equal impact energy (about 150 J) were conducted on granite after high temperature by an improved...
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Knowledge-Driven Fuzzy AHP Model for Orogenic Gold Prospecting in a Typical Schist Belt Environment: A Mineral System Approach
In this paper, the knowledge-driven fuzzy AHP (FAHP) model was applied in the predictive prospectivity map** of orogenic gold deposits using the...
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Interpretation of deformation microstructures in syntectonic granite: insights from Phulad granite, Rajasthan, NW India
Previous work reveals a syn-tectonic granite named Phulad granite, which is emplaced (∼820 Ma) in the western part of the South Delhi Fold Belt...
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Structural Conditions for Localization of Barite Mineralization in Tectonic Evolution of the Southern Sanandaj Zone, Iran
AbstractBarite mineralization is visible as veins in the Kuik‒Qureq area, southern part of Sanandaj zone, Western Iran. Geological and structural...
