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581
Experimental Study on the Permeability of Weakly Cemented Rock under Different Stress States in Triaxial Compression Tests
Published 2018-01-01“…In response to this pressure, the permeability change in mudstone is faster than that in shaly coarse sandstone during the process of postpeak loading and unloading. Weakly cemented rock has lower permeability according to the comparison with congeneric ordinary rocks. …”
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582
Experimental Research on the Specific Energy Consumption of Rock Breakage Using Different Waterjet-Assisted Cutting Heads
Published 2018-01-01“…To investigate the specific energy consumption (SE) of rock breakage by cutting heads assisted by different types of waterjet and to identify optimal waterjet parameters and assistance types, rock cutting with and without waterjets was carried on a rock fragmentation test bed. …”
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583
De novo transcriptome assembly of the Mediterranean sea-rock pool mosquitoes Aedes mariae and Aedes zammitii
Published 2025-01-01“…Here, we present the first de novo transcriptomes of the sea-rock pools mosquitoes Aedes mariae and Aedes zammitii, two species adapted to highly variable habitats. …”
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584
Research on Hydraulic Fracturing Pressure Relief Technology in the Deep High-Stress Roadway for Surrounding Rock Control
Published 2021-01-01“…In this study, the working face 14203 of the Zaoquan coal mine was taken as the engineering background, the deformation mechanism of surrounding rock in the deep-buried high-stress roadway was analyzed, and the hydraulic fracturing pressure relief technology in the advanced roadway was proposed for surrounding rock control. …”
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585
Arsenic, Chromium, and Other Potentially Toxic Elements in the Rocks and Sediments of Oropos-Kalamos Basin, Attica, Greece
Published 2014-01-01“…Rocks and sediments are non-anthropogenic sources of elements contamination. …”
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586
Parametric Study on the Ground Control Effects of Rock Bolt Parameters under Dynamic and Static Coupling Loads
Published 2020-01-01“…Under DSLs, end grouting length (S = 600 mm) and full grouting length (S = 1800 mm) can effectively control the deformation of surrounding rocks and enhance the stability of surrounding rocks. …”
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587
Study on the crack propagation morphology and initiation law of coal rock under the action of underwater electric pulse
Published 2025-01-01“…Abstract Based on the symmetric initiation mechanism of double-wing cracks in coal rock mass induced by high-pressure electro-recoil water pressure, fracturing experiments have been performed on coal rock mass under different water pressures and discharge conditions using high-voltage electric pulse hydraulic fracturing devices. …”
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588
Dissipation of Impact Stress Waves within the Artificial Blasting Damage Zone in the Surrounding Rocks of Deep Roadway
Published 2016-01-01“…However, the dissipation of the impact stress wave within the artificial blasting damage zone (ABDZ) of the rocks surrounding a deep roadway has not yet been clarified. …”
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589
Three-Dimensional Analysis of Complex Rock Slope Stability Affected by Fault and Weak Layer Based on FESRM
Published 2019-01-01“…There may be faults and weak layers across the whole rock. It is very necessary to study the instability mechanism and stability analysis of multistratigraphic slopes with faults and weak layers. …”
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590
Experimental Study on Sand Inrush Hazard of Water-Sand Two-Phase Flow in Broken Rock Mass
Published 2021-01-01“…In this paper, an experimental device was designed to simulate the process of water and sand inrush, and then, the control factors of the disasters in the broken rock mass in the goaf were investigated. Also, the seepage fracture channels in the broken rock mass were simplified by using the 3D printing technology, and the effects of fracture aperture and angle on the seepage characteristics of water-sand mixtures were analyzed. …”
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591
Evaluation of CO2-Fluid-Rock Interaction in Enhanced Geothermal Systems: Field-Scale Geochemical Simulations
Published 2017-01-01“…It indicates that geochemical processes of scCO2-rock interaction have significant effects on mineral dissolution and precipitation in magnitudes and distributions.…”
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592
Numerical Simulation of Conical Pick Cutting Arc Rock Plate Fracture Based on ANSYS/LS-DYNA
Published 2020-01-01“…The new method of rock breaking based on the combination of circular sawblade and conical pick was proposed to improve the effectiveness of hard rock breaking. …”
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593
Calculation Method of Overburden Damage Height Based on Fracture Mechanics Analysis of Soft and Hard Rock Layers
Published 2019-01-01“…The interbedded structure of overlying mud rock and sandstone in the Lu’an mining area in Shanxi is a typical soft and hard rock interaction stratum. …”
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594
Zonal Disintegration Mechanism of Deep Rock Masses under Coupled High Axial Geostress and Blasting Load
Published 2018-01-01“…Zonal disintegration phenomenon with alternative distribution of fracture zones and nonfracture zones is a characteristic failure in deep rock masses, especially for deep tunnel excavated by drill and blast method. …”
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595
Preparation, characterization, and performance of 4A zeolite based on opal waste rock for removal of ammonium ion
Published 2018-12-01“…In this study, 4A zeolite was prepared from opal waste rock by hydrothermal method and applied in ammonium ion adsorption. …”
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596
Experimental Study of Prevention and Control of Rock Burst in Steeply Inclined Coal Seams by Mining Sequence and Filling
Published 2022-01-01“…The control and prevention of rock burst in a steeply inclined coal seam are essential. …”
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597
The Effect of Excavation Disturbance on the Stability of Bedding Cataclastic Rock Mass High Slope Containing Multimuddy Interlayers
Published 2024-01-01“…Conversely, reports on how excavation influences the stability of bedding cataclastic rock mass high slope containing multimuddy interlayers remain notably absent in the literature. …”
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598
Theoretical and Experimental Study on Damage Properties of Surrounding Rock under High-Frequency Constant Impact Load
Published 2019-01-01“…According to the experimental results, under constant impact load, as the center hole diameter increases, the peak stress of the rock specimen increases accordingly and the effective elastic modulus of the rock specimen decreases first and then increases gradually. …”
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599
GEOCHEMICAL FEATURES OF HOST ROCKS OF THE POROKHOVSKOE TUNGSTEN DEPOSIT (SOUTH URALS) AND THEIR ROLE IN CONCENTRATION OF ORE MATTER
Published 2023-12-01“…The article contains the results of statistical processing of geochemical data for rocks of the Porokhovskoe tungsten deposit (South Urals) obtained during systematic geological exploration. …”
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600
Study on the Method for Measuring Stress on Rock Mass Excavation Surface under Extremely High Stress Conditions
Published 2022-01-01“…In view of the limitations of several existing stress measurement methods under extremely high stress conditions (stress−strength ratio σ/Rc>0.5), this paper proposes a slot relief method based on partial deformation recovery to measure rock mass surface stress under extremely high stress conditions and justifies its viability with the help of an infinite element model. …”
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