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Mechanical behavior and permeability evolution of sandstone with confining pressure after dynamic loading

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Permeability is a fundamental index that is closely related to rock damage in geotechnical engineering. In this study, dynamic triaxial compression te......

Mechanical behavior and constitutive model of methane hydrate bearing sediments

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Natural gas hydrate has great development significance and application prospect as a potential marine environment-friendly energy resource. It is diff......

Low amplitude fatigue performance of sandstone, marble, and granite under high static stress

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Fatigue tests under high static pre-stress loads can provide meaningful results to better understand the time-dependent failure characteristics of roc......

The effects of hydro-mechanical coupling on hydraulic properties of fractured rock mass in unidirectional and radial flow configurations

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

The effect of hydro-mechanical (HM) coupling on the hydraulic properties of the fractured rock mass was investigated for unidirectional and radial flo......

Influence of grain size on the strain-rate-dependent dynamic response of sandstones

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Shock wave fracturing is a novel technology in coalbed methane (CBM) exploitation. Understanding dynamic damage and failure mechanisms of rock with di......

Dynamic failure and stability model analysis of thick and hard rock with wedge-structure immediate roof occurrence

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

To eliminate roof-control disasters typically encountering in mines with thick and hard rock strata, fracture characteristics, instability mechanism a......

Heating process and damage evolution of microwave absorption and transparency materials under microwave irradiation

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Microwave processing is a useful technique for improving the mechanical breakage of rocks and rock minerals. The heating process of microwave absorpti......

Mechanical response of permeability evolution to anisotropic structure of reservoir rock under true triaxial stress path

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

In unconventional natural gas development, the true triaxial stress field and anisotropic structure plane play an important role in the deformation an......

Modeling pressurized fracture propagation with the isogeometric BEM

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

This paper simulates the propagation of hydraulic fractures under constant fluid pressure using the isogeometric analysis based on boundary element me......

Failure characteristics of roof in working face end based on stress evolution of goaf

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

In underground coal mining, the working face end is a bridge connecting the stope and the roadway. It not only is characterized by a large area pressu......

A modified method for the prediction of Monte Carlo simulation based on the similarity of random field instances

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (2)

Monte Carlo simulation method is a powerful tool to consider inherent variability of soil properties in geotechnical problems. However, to fully revea......

Improving the efficiency of microseismic source locating using a heuristic algorithm-based virtual field optimization method

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Fast and accurate microseismic locating methods, such as the virtual field optimization method (VFOM), are increasingly used by researchers and mine m......

Experimental study for the effect of joint surface characteristics on stress wave propagation

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Induced seismicity might occur during underground energy and resource exploitation. Seismic waves usually attenuate during propagation across rock joi......

The influence of temperature and confining pressure on the cracks damage threshold and shape parameter m of igneous rock

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (3)

Determining rock damage thresholds is of great significance in predicting rock fracture. In this study, the relation among crack damage stress thresho......

Characterization of hydraulic crack initiation of coal seams under the coupling effects of geostress difference and complexity of pre-existing natural fractures

期刊: GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES, 2021; 7 (4)

Accurate characterization of the initiation of hydraulic fractures is crucial for understanding the formation of multiple hydraulic fracture networks ......

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