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A Calculation Model of Cutterhead Resistance for Pipe Jacking in Rock Strata and Soil–Rock Composite Strata
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Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
Published 2021-01-01“…In order to explore the deformation and failure evolution characteristics of the surrounding rock during the connection process of the deep rock burst drivage roadway under the dynamic load disturbance, and based on this, the catastrophe mechanism of the roadway is analyzed, taking the rock burst accident of Longyun Coal Industry in Shandong Province on October 20, 2018, as the engineering background. …”
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Characterization of Scoria Rock from Kisoro As an Aggregate in Concrete.
Published 2023“…This research study highlights the characteristics of scoria rock from Kisoro as aggregates. The tests on both fine and coarse aggregates from scoria rock are presented in this report. …”
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Slant Angle and Its Influence on Rock Cutting Performance
Published 2018-01-01“…Rock cutting is an important aspect of the civil engineering, for example, tunnelling. …”
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Optimization of hydrocyclon for phosphatic rock separation using CFD
Published 2021-08-01“… Hydrocyclones are equipment for the separation of solid-liquid and liquid-liquid mixtures through the centrifugal flow. The phosphate rock is an essential raw material to the industry of phosphate fertilizers. …”
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Prediction Model of Drilling Performance for Percussive Rock Drilling Tool
Published 2020-01-01Get full text
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Study of Rock Blasting Failure Pattern with One Free Boundary
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Damage of Green Synthetic Cement Slurry to Clastic Rock Reservoir
Published 2023-01-01“…In order to solve this problem, this study takes a typical clastic rock block in an oilfield in western China as the research object and carries out a geological survey of fracture development, pressure deficit, and cement slurry permeability leakage in the reservoir. …”
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Research on Surrounding Rock Control Technology of Dongbaowei Deep Mining Roadway
Published 2021-01-01“…In order to explore the stability control of surrounding rock in the process of deep mining, comparative analysis of stress, deformation, and fracture characteristics of surrounding rock of deep and shallow mining roadway in dongbaotou coal mine, laboratory experiments, field measurement, numerical simulation, and field industrial experiments were adopted to put forward the control plan of the surrounding rock in deep roadway, which were verified by field industrial experiments. …”
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Oscillations Control of Rocking-Block-Type Buildings by the Addition of a Tuned Pendulum
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The Properties of a Coal Body and Prediction of Compound Coal-Rock Dynamic Disasters
Published 2020-01-01“…Since the precise identification and prediction and early warning of compound coal-rock dynamic disaster remain difficult, a new coal characterisation and prediction method for compound coal-rock dynamic disasters was described based on theoretical analysis, laboratory experiment, field sampling, mathematical treatment, and industrial testing. …”
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Experimental Study of Bilinear Initiating System Based on Hard Rock Pile Blasting
Published 2017-01-01“…It is difficult to use industrial explosives to excavate hard rock and achieve suitable blasting effect due to the low energy utilization rate resulting in large rocks and short blasting footage. …”
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The Study on Large-Diameter Drilling Prevention Method of Rock Burst in the Xinxing Coal
Published 2021-01-01“…Based on the engineering background, the 41051 working face of the 65th coal mine in Qitaihe Xinxing Mine was regarded as the engineering background, by using of the comprehensive research methods such as theoretical analysis and calculation, FLAC3D numerical simulation, physical parameters of coal and rock in laboratory, and the field industrial measurement, to research on the large drilling relieving rock burst mechanism and parameter setting in reasonable. …”
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Study on Pressure Relief Effect and Rock Failure Characteristics with Different Borehole Diameters
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Rock Music and The Political Scripting of Vietnam War: Reading Dispatches by Michael Herr
Published 2024-12-01“…Folk music evolved into folk-rock and ultimately into “rock and roll,” carrying distinct political and psychological messages that resonated with the collective conscience through diverse narratives and personas. …”
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Representative Sample Sampling Method for Size Effect Experiment of Jointed Rock Mass
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Application of improved and efficient image repair algorithm in rock damage experimental research
Published 2024-06-01“…Abstract In the petroleum and coal industries, digital image technology and acoustic emission technology are employed to study rock properties, but both exhibit flaws during data processing. …”
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Grouting Mechanism in Water-Bearing Fractured Rock Based on Two-Phase Flow
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Acoustic Emission Characteristics and Failure Mechanism of Fractured Rock under Different Loading Rates
Published 2017-01-01Get full text
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