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Stability Assessment of Dangerous Rock Mass of an Overhanging Slope in Puerdu Town, Southwestern China
Published 2021-01-01Get full text
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Automatic Rock Classification Algorithm Based on Ensemble Residual Network and Merged Region Extraction
Published 2022-01-01“…How to accomplish rock classification is a key issue for the further development of the geology industry. …”
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Thermal buffering-controlled temperature variation between Mg–Al-rich rocks and migmatites
Published 2025-01-01Get full text
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Estimation of Ultimate Bearing Capacity in Rock-Socketed Piles Using Optimized Machine Learning Approaches
Published 2023-12-01Get full text
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Numerical Simulation on Heat Recovery Efficiency of Different Working Fluids in High-Temperature Rock Mass
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Toward Sustainable Mining: Repurposing Benguerir’s Phosphate Mine Waste Rock for Road Subgrade Construction
Published 2025-01-01“…Natural aggregates are widely consumed worldwide by the road construction industry. Particularly in the phosphate sector, reducing industrial waste and conserving non-renewable natural resources can be achieved by utilizing unusual industrial wastes and by-products in road construction procedures. …”
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Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine
Published 2023-01-01“…We use the numerical simulation for verification and carry out the field industrial test. The results show that the stability grade of broken surrounding rock is III–IV; both schemes can effectively control the deformation and failure of surrounding rock. …”
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Control of the Chamber in Extra-Thick Coal Seam Based on Fracture Characteristics of Coal Rock and Mass
Published 2020-01-01“…As the development characteristics of cracks of the chamber are closely related to the bolt and cable anchoring parameters, the original rock stress of the surrounding rock, and fracture degree, this paper proposes the control method for chamber in extra-thick coal seam by the crack development characteristics. …”
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Rock Pressure Characteristics and Control Technology of Underground Roadways during Stacked Coal Seam Extraction
Published 2024-01-01“…This method significantly enhanced support strength, refined support procedures, and entailed a bespoke design of support plan parameters. Industrial-scale on-site trials confirmed the efficacy of this technique, with a separation value of the top plate of 4–10 mm, achieving effective management of the surrounding rock deformation in the roadway, with crack development contained within the fundamental anchoring layer. …”
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Orthogonal Analysis and Numerical Simulation of Rock Mechanics Parameters in Stress Field of Shaft Heading Face
Published 2020-01-01“…This paper focuses on improving the blasting effect of the drilling and blasting method in the deep rock mass and solves the problems of blasthole collapse and misfire accident in the process of drilling and blasting construction of heading face. …”
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Investigation of Permeability Behavior of Sandy Soils Mixed with Industrial Waste
Published 2020-01-01“…It is very important to evaluate the industrial wastes, which have the potential to be reused with new alternative methods. …”
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Short Cantilever Rock Beam Structure and Mechanism of Gob-Side Entry Retaining Roof in Reuse Period
Published 2020-01-01“…A dynamic-equilibrium mechanical model of the main roof structure is presented and the formation mechanisms of different types of short cantilever rock beam structures are clarified. The following major conclusions are drawn: (1) Three types of short cantilever rock beam structures occur in the main roof of a gob-side entry retaining during the reuse period, namely, the “short cantilever-articulated rock beam” structure, “short cantilever step rock beam (type I)” structure, and “short cantilever step rock beam (type II)” structure. (2) The stability criterion for these three short cantilever rock beam structures was also determined; that is, when the sliding instability coefficient K ≥ 1, the short cantilever-articulated rock beam structure will form, and when the sliding instability coefficient K < 1, the short cantilever step rock beam (type I or II) will form. (3) The governing law for the thicknesses of the main roof, immediate roof, and coal seam of the short cantilever rock beam structure was clarified; namely, the K-value gradually increases with increases in the thickness of the coal seam, drops sharply and then decreases gradually with increases in the thickness of the main roof, and decreases slowly with increases in the thickness of the immediate roof. …”
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Failure and development height of overlying rock of a water flowing fracture in goaf under a karst aquifer
Published 2025-01-01Get full text
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