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Constitutive Model of Solid Backfill Materials and Numerical Simulation of Overburden Movement and Deformation in Backfill Mining
Published 2021-01-01“…Based on the mechanical behavior of backfill materials in the compaction process, volume strain was used to express the deformation modulus, and a constitutive model of backfill materials was proposed in this study. …”
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Stiffness Determination of Backfill-Rock Interface to Numerically Investigate Backfill Stress Distributions in Mine Stopes
Published 2021-01-01“…Numerical modeling is an effective and efficient method to investigate the stress distributions of backfill in stopes, which should be well understood in underground mining. …”
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Monitoring and Analysis of Stress Distribution of the Interaction between Rock and Backfill and the Influence of Geometric Features of the Backfill Boundary
Published 2021-01-01“…Backfill mining methods are widely used in metal mines. …”
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Backtesting Quantum Computing Algorithms for Portfolio Optimization
Published 2024-01-01Subjects: “…Backtesting…”
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Nonlinear Creep Model of Deep Gangue Backfilling Material and Time-Dependent Characteristics of Roof Deformation in Backfilling Mining
Published 2020-01-01“…However, after deep backfilling mining, the backfilling material is subjected to high stress for a long time, and its viscoelasticity has a significant impact on the roof control effect. …”
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Effect of Initial Backfill Temperature on the Deformation Behavior of Early Age Cemented Paste Backfill That Contains Sodium Silicate
Published 2016-01-01“…Enhancing the knowledge on the deformation behavior of cemented paste backfill (CPB) in terms of stress-strain relations and modulus of elasticity is significant for economic and safety reasons. …”
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Research of the Backfill Body Compaction Ratio Based on Upward Backfill Safety Mining of the Close-Distance Coal Seam Group
Published 2022-01-01“…During upward backfill mining of the close-distance coal seam group, the reasonable design of the backfill body compaction ratio (BBCR) of lower coal seam goaf plays a key role in controlling overburden strata movement and deformation. …”
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Dynamic Response of Wall Backfill Retaining System
Published 1997-01-01“…An in situ full-scale test is conducted to measure the dynamic response of a long cantilever wall that retains backfill soil. The recorded modal parameters of this retaining wall exhibited significant similarity to those of a clamped cantilever plate (rather than those of a cantilever beam or plane-strain analysis). …”
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Application of Artificial Intelligence Models to Predict the Tensile Strength of Glass Fiber-Modified Cemented Backfill Materials during the Mine Backfill Process
Published 2022-01-01“…Cemented backfill coal mining technology is gradually becoming a key technology for green mining of coal resources. …”
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Damage Strengthening Constitutive Model of Cemented Paste Backfill
Published 2021-01-01“…In order to consider the influence of mesoscopic characteristics of materials on the constitutive model of cemented paste backfill (CPB), the uniaxial compression variables and the damage constitutive model, considering the influence of porosity and pore size of filling materials, were derived based on the strain equivalence principle and Weibull probability distribution function. …”
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Towards Supercomputing Categorizing the Maliciousness upon Cybersecurity Blacklists with Concept Drift
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Evaluation of Rheological Parameters of Slag-Based Paste Backfill with Superplasticizer
Published 2021-01-01“…The use of blast furnace slag-based binders in cemented paste backfill (CPB) has become increasingly popular in China, due to its low cost and superior early-age strength. …”
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Study on the Settlement Mechanism with Effect of Backfilling Method of an Underground Mine
Published 2021-01-01“…The study on the subsidence of backfill mining block has been a concern of many scholars. …”
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Fluidization Analysis of Thickening in the Deep Cone for Cemented Paste Backfill
Published 2020-01-01“…Cemented paste backfill (CPB) can effectively eliminate the risk of dam break in goaf and tailings pond which used tailings waste. …”
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Numerical analysis of the heat extraction performance of mine backfill heat exchanger based on phase change heat storage (PCHS-BFHE)
Published 2025-02-01Subjects: “…Phase change heat storage backfill…”
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Experimental Study on the Evolution Law of Mesofissure in Full Tailing Cemented Backfill
Published 2020-01-01“…To understand the mechanical properties of the backfill, to reveal the evolvement of micromechanical fissure of backfill, a uniaxial compression experiment was carried out for the full tailing cemented backfill. …”
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Subsidence Control Design Method and Application to Backfill-Strip Mining Technology
Published 2021-01-01“…However, the cost of backfill mining is high and partial mining has a low recovery ratio. …”
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Development of an Ensemble Intelligent Model for Assessing the Strength of Cemented Paste Backfill
Published 2020-01-01“…Cemented paste backfill (CPB) is an eco-friendly composite containing mine waste or tailings and has been widely used as construction materials in underground stopes. …”
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