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Stress tensor computations at Mount St. Helens (1995-1998)
Mount St. Helens (USA) fault-plane solutions inversion stress field
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2015/9/29
Fault plane solutions of 459 events occurring between 1995 and 1998 at Mount St. Helens (State of Washington, Northwest U.S.A.) were considered in order to infer the state of stress beneath the volcan...
Carbon dioxide and methane emissions from calcareous-marly rock under stress: experimental tests results
gas geochemistry earthquake precursors greenhouse gases
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2015/9/10
The identified emissions of abiogenic carbon dioxide, carbon monoxide and methane are generally attributed to
volcanic activity or to geochemical processes associated with thermometamorphic effects. ...
Relaxation phenomena of electrical signal emissions from rock following application of abrupt mechanical stress
mechanical stress PSC amphibolite
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2015/8/24
The emission of electrical signals during application of mechanical stress to brittle geo-materials (the so-called pressure-stimulated current; PSC) can provide significant information regarding the m...
Ground Response in Lotung:Total Stress Analyses and Parametric Studies
Stress analysis Bounding surface Finite element method Ground motion Plasticity
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2015/7/1
Previous papers have reported on the performance of a recently developed nonlinear ground response analysis code, SPECTRA, with reference to the prediction of the free-field response at a Large-Scale ...
Toxicological Aspects of Geophagia in Pregnancy: Putative Molecular Mechanism Involving Oxidative Stress
Toxicological Aspects Geophagia Pregnancy Putative Molecular Mechanism Involving Oxidative Stress
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2012/3/14
Toxicological Aspects of Geophagia in Pregnancy: Putative Molecular Mechanism Involving Oxidative Stress.
The Effection of Stress Path on the Rock Relaxation Area of Large-Section Tunnel
Large Section Tress-Path Numerical Simulation Tunnel Relaxation-Areas
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2011/12/21
Construction of large-section tunnel leads to changing of rock stress and comes about complicated stress-path, which causes continuously redistribution of rock stress with changing of stress path, lea...
Influences of Horizontal Initial Stress and Slope Angle on Stress Distribution in Mountains and Cavern Stability
Damage-Fracture Model Initial Lateral Stress Numerical Simulation Slope Angle Stability of Surrounding Rock
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2011/12/16
Inbetween the many factors, which will influence the distribution character of initial stress in a mountain, different angle of mountain slopes and horizontal geostress will have important effects on ...
Optimization of Stope Structure Parameters in E’xi Iron Mine Based on Rock Stress Analysis
Numerical Simulation with the Finite Element Method Rock Mechanic Stope Structure Parameters Optimization Stress Analysis Underground Mining
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2011/12/20
Underground mining causes the redistribution of surrounding rock stress. The value of rock stress is one of the important factors that should be considered when stope structure size is designed. E’xi ...
Stimulated infrared emission from rocks:assessing a stress indicator
Stimulated infrared emission rocks stress indicator
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2009/10/22
To study the effect of stress-activated positive hole (p-hole) charge carriers on the infrared (IR) emission from rocks, we subjected a portion (~10 vol.%) of a large (60×30×7.5 cm3) block of anorthos...
Late Eocene to Quaternary deformation and stress field evolution of the Orava region (Western Carpathians)
Structural geology Cenozoic Paleogene Faulting and folding Central Carpathian Palaeogene Basin
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2009/10/20
The northern part of theWestern Carpathians suffered polyphase deformation at the boundary between their Central and Outer parts. Palaeostress analysis in the Orava region revealed the existence of fi...
Tensile strength of sand, palygorskite and calcium carbonate mixtures and interpretation with the effective stress theory
Indirect tensile strength Palygorskite Calcium carbonate Effective stress Compaction Central Iran
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2011/11/4
Many soils in arid regions of the world including those of central Iran contain palygorskite and carbonates in their mineral fraction. There is, however, little information on the effects of these min...