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An Improved Method for Predicting Horizontal Principal Stress: A Case Involving a P Gas Field in Northeastern Sichuan
In situ stress is an important parameter in the context of petroleum exploration and development. Triaxial mechanical experiments, acoustic emission...
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Study of the in situ stress field in a deep valley and its influence on rock slope stability in Southwest China
The in situ stress field in valley areas is an important factor to consider in the construction of hydropower projects in southwest China. Due to...
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High-temperature behavior of quartz-in-garnet system revealed by in situ Raman spectroscopy
Quartz is one of the most abundant minerals in the Earth crust and therefore quartz inclusions in garnet are of great interest for elastic...
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Determination of the critical rainfall of runoff-initiated debris flows by the perspective of physical mechanics and Shields stress
The critical rainfall of runoff-initiated debris flows is utmost importance for local early hazard forecasting. This paper presents research on the...
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Tectonic Stress Redistribution Induced by Geothermal Gradient Difference: Numerical Modeling of Stress Around the Anninghe Seismic Gap in the Southeastern Tibetan Plateau
Rheological behavior in the Earth’s deep crust controls the state of tectonic stresses in both shallow and deep layers. Heterogeneity of rheological...
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Prediction and Classification of Large Deformations in Deep Tunnels Based on Stress Inversion Method
Large deformation disasters of tunnels greatly affect the construction time and quality of the tunnel. In order to best reduce the impact of large...
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Non-orthogonal Failure Behavior of Roadway Surrounding Rock Subjected to Deep Complicated Stress
Based on the characteristics of real stress distribution in coal mining, the evolution law of plastic zone shape and spatial position were...
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Quantitative Analysis and 3D Visualization of Crack Behavior in 3D-Printed Rock-Like Specimens with Single Flaw Using In-Situ Micro-CT Imaging
3D printing technology allows for precise control of preparing complex geometries and internal defects in printed rock analogs, while in-situ...
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Validation of Diametrical Core Deformation Technique for Mining-Induced Stress Estimation: A Case Study
In a recent work, the authors demonstrated the merits of the diametrical core deformation technique (DCDT) for stress determination at an excavation...
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Stress
A layman may laugh at you when you say that a rock feels the pinch of a force imposed on it! Yes, it does feel irrespective of the amount of force....
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Laboratory and in situ tests on dynamic shear modulus of granite residual soil
It is widely accepted that residual soils (RSs) form very differently from sedimentary soils. While there have been extensive advances regarding...
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Evaluation of the Diametrical Core Deformation and Discing Analyses for In-Situ Stress Estimation and Application to the 4.9 km Deep Rock Core from the Basel Geothermal Borehole, Switzerland
The in situ state of rock mass stresses is a key design parameter, e.g., for deep engineered geothermal systems. However, knowledge of the stress...
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Casing tensile stress distribution in the bending section of a well during hydraulic fracturing
During hydraulic fracturing, there has been little research on casing tensile stress distribution from the tilting area to the horizontal area in the...
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Natural fracture characterization and in situ stress orientation analysis using Fullbore Formation Micro Imager (FMI): a case study on the X oil field, Kurdistan Region, Iraq
In carbonate reservoirs, fracture evaluation is essential because of the significant effect that fractures have on reservoir permeability. Evaluation...
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Elastic Stiffness Modelling of Opalinus Clay Based on Laboratory Measurements with Implications for In-situ Testing
Understanding the elastic stiffness evolution of Opalinus Clay is necessary for predicting ground deformation during the construction and operation...
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In-situ Horizontal Extrusion Test of Herbaceous Root-Soil with Different Root Types
The influence of different types of roots on the soil is complex and still remains unclear. Four in-situ extrusion tests were conducted on two types...
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Tensile strength of cemented paste backfill for lead–zinc mill tailings: lab and in situ scenarios
Cemented paste backfilling (CPB) in underground mines is a widely accepted backfilling technique. It has plenty of scope for application in Indian...
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An Attempt to Evaluate In Situ Dynamic Soil Property by Cyclic Loading Pressuremeter Test
Laboratory experiments, such as cyclic triaxial tests, are generally conducted to evaluate the dynamic behavior of soil for earthquake-proof design....
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In Situ Observation of Silt Seabed Pore Pressure Response to Waves in the Subaqueous Yellow River Delta
The in situ pore pressure response of silt under wave action is a complex process. However, this process has not been well studied because of limited...
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In Situ Tests Comparing the Support Effects of Thin Spray-on Liner and Shotcrete on a Roadway Subjected to Blasting
Shotcrete has been widely used in the support of tunnels and mine roadways, but frequent blasting disturbances can easily cause it to spall from rock...
