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Source parameters and scaling relationships of stress drop for shallow crustal seismic events in Western Europe
For an ω 2 -source model, moment-based estimates of the stress drop are obtained by combining corner frequency and seismic moment source parameters....
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Stress drop variations of triggered earthquakes at Koyna–Warna, western India: A case study
We have implemented the spectral ratio technique (SRT) for the estimation of source parameters of local earthquakes ( M L 0.5–4.0) of the Koyna–Warna...
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Decline Curve Analysis with Type Curves for Variable Rate/Variable Pressure Drop in Stress Sensitive Naturally Fractured Shale Gas Reservoirs
Blasingame production decline analysis can be applied to variable production/pressure drop systems, so this method has a wider applicability. Due to...
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Macro–Micro Damage and Failure Behavior of Creep Gas-Bearing Coal Subjected to Drop Hammer Impact
The macroscopic mechanical characteristics and microscopic pore structure evolution were investigated in gas-bearing coal subjected to creep loading...
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Centrifuge modeling and numerical analysis of reservoir bank landslides triggered by a fast two-step drop in water level
To meet flood control requirements, reservoir water levels undergo a two-step drop process before the rainy season. To examine the relationship...
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Stress drops of intermediate-depth intraslab earthquakes beneath Tohoku, northern Japan
We calculated stress drops for 2875 small intraslab earthquakes at intermediate depths beneath Tohoku, Japan. We applied an S-coda-wave spectral...
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Experimental study on the control characteristics of the negative Poisson’s ratio structural anchor cable on the large deformation of rainfall-induced landslide
The control and early warning of landslide induced by rainfall have always been the emphasis and difficulty of geological disaster prevention and...
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Investigation on the Dynamic Cracking Mechanism of Sandstone with an Ice-Saturated Flaw Based on Drop Weight Tests
The cracking mechanism of ice-saturated fissured rock is crucial when using the freezing method to construct shafts with water-rich soft rock layers....
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Revisiting the Influence of Confinement on the Pressure Drop in Fixed Beds
We study the non-turbulent pipe flow of a Newtonian fluid through a confined porous medium made of randomly arranged spherical particles in the...
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Dynamic Mechanical Responses and Freezing Strengthening Mechanism of Frozen Sandstone with Single Flaw: Insights from Drop Weight Tests and Numerical Simulation
The dynamic mechanical behavior of frozen rock with a flaw is essential for plateau alpine region mining. However, the freezing temperature’s...
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Prediction method of soil–water characteristic curve and suction stress characteristic curve based on void ratio: a case study of Yan’an compacted loess
Soil–water characteristic curve (SWCC) and suction stress characteristic curve (SSCC), as the core of unsaturated soil mechanics, are important...
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Evolution of Permeability and Gas Seepage in Deep Coal Under 3D Stress
More and more gas extraction in deep coal seam is conducted under extreme geological conditions. The coal permeability determines the efficiency of...
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Influence of Opening Penetration Ratio on Mechanical Behavior and Fracture Characteristics of Sandstone Rock: Experimental and Numerical Studies
The natural non-penetrated openings in natural rock masses due to weathering and erosion and the artificial non-penetrated openings formed in deep...
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Stress Relaxation in a Cellular Model of Elements with Nonlinear Interaction
Abstract —A model of stress relaxation in a system of discrete elements is analyzed. The model suggests analyzing a small-time scale of the process...
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Sensitivity Study of Bingham Fluid Flow by the Ratio of Inner and Outer Diameters of Annulus
As for flow of drilling fluids, typically for laminar flow and friction of Bingham plastic fluid, in a concentrate annulus, direct numerical...
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Laboratory and Numerical Modeling of the Effects of Width-to-Height Ratio on the Strength and Deformation Behavior of Pillars Composed of Porous, Weak Limestone
The impact of the width-to-height ratio ( w / h ratio) on rock strength and deformation behavior of rock pillars has been studied extensively since the...
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Influence of faults on the geo-stress field distribution and damage evolution mechanism of fracture zones
As the main battlefield of China’s transportation infrastructure gradually extends westward, more and more superlong deep-buried tunnels are being...
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Modeling dike trajectories in a biaxial stress field with coupled magma flow, fracture, and elasticity
Because dike propagation depends on stress state, the geometry of dikes can be used to make inferences about crustal stress conditions during...
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Frequency domain analysis of AE waveforms in rockburst specimens under different stress gradients
To investigate the influence of stress gradients in the surrounding rock of tunnels on the frequency features of acoustic emission (AE) waveforms, a...
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SPH modelling of hydraulic jump at high Froude numbers at an abrupt drop: vorticity and turbulent pressure fluctuations
This paper numerically investigates the physical features of hydraulic jump oscillations at an abrupt drop with high Froude numbers reaching values...
