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A backfill material without cementitious material: Carbonation curing magnesium slag based full solid waste backfill material
In view of the two major problems of the rapid growth of global CO 2 emissions and the high cost of mine backfill materials (cement). In this study, a...
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Hydraulic Backfill Consolidation in Underground Mine Stopes
This paper highlights the importance of considering hydraulic backfill consolidation and wet arching when determining the stresses in underground...
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Thermal diffusivity of bentonite–sand based engineered backfill material
Due to the advantages of high swelling and water retention capacity, bentonite is commonly used as one of the thermal backfill materials for...
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Strength Model of Surface Backfill in Upward Slicing and Filling Method and Its Application
The surface backfill, serving as the operational platform for continuing mining in upward slicing and filling stopes, is required to possess...
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Mechanical properties and microscopic characteristics of fly ash–slag composite backfill
The strength of the backfill is crucial for safe and efficient mining, and the cementing material is the key to obtaining a strong backfill. In this...
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Construction and Demolition Waste as a Sustainable Backfill for Geosynthetic-Reinforced MSE Walls
In rapid urbanization, the construction of mechanically stabilized earthen (MSE) walls has found its inevitable part for which the natural backfill...
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Recycling of Waste Iron Tailings by Biomineralization for Cemented Paste Backfill Production
Numerous waste iron tailings worldwide require eco-friendly treatment methods, with biotechnology being a promising option. However, bacteria...
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Liquefaction numerical analysis of cantilevered retaining walls with saturated backfill containing fines content
Seismic behavior analyses of cantilever retaining walls are affected by saturated backfills. There are records of retaining walls that include fines...
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Comprehensive Assessment on Utilization of Iron Ore Tailing as Backfill Material in Mechanically Stabilized Earth Wall
World is bestowed with self-sufficient magnetite and hematite iron ores. Huge volume of mining waste, namely iron ore tailings (IOT), is generated...
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Strength evolution and deterioration law of cemented gangue backfill body in acid mine water
Cemented gangue backfill technology is an important backfill mining method. However, the acid mine water environment could seriously affect the...
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Thermal and pressure performance of heat collection tube group in backfill body added with phase change material
Combined with the backfill mining, the heat collection tube group (HCTG) in the backfill body can extract geothermal energy, which can effectively...
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At-Rest Lateral Earth Pressure on Retaining Walls Under Narrow Backfill Widths
Retaining walls are used for retaining soils at different levels on their two sides. A critical step in the design of retaining structures is to...
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Online Wear and Rheology Monitoring System for Backfill Paste Pipelines
Tailing resulted from mineral processing circuit is a waste material, and it is generally reused to produce underground backfill paste materials. Due...
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Sol–gel-stabilized CO2 foam for enhanced in-situ carbonation in foamed fly ash backfill materials
A novel highly stable aqueous foam was synthesized using CO 2 , sodium silicate (SS) and anionic surfactant of sodium dodecylbenzene sulfonate. The...
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A Comprehensive Numerical Based Case Study on Abutment-Foundation-Backfill Behavior of a Railway Bridge
In a railway bridge, the end support system plays a crucial role in resisting both vertical and lateral loadings for which the bridge is essentially...
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Experimental Study on the Permeability of a Super Absorbent Cementitious Backfill Material
To reduce the bleeding rate of backfill in a goaf, a new backfill material with low bleeding rate was proposed and tested. Centrifugal means were...
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Dynamic Behavior of Gravity Retaining Walls with Coral Sand Backfill Under Earthquakes: Shaking Table Tests
The retaining walls in coral sand sites are inevitably threatened by earthquakes. A series of shaking table tests were carried out to study the...
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Experimental study on the production of carbon-absorbing backfill material from freshly mixed modified magnesium slag slurry
Wet carbonisation of alkaline industrial solid waste is considered to be an effective method for CO 2 capture/processing of solid waste resources....
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Study on Mechanical Properties of Multi-layer Composite Backfill and Constitutive Model Considering Interlayer Inclination
The effect of initial damage generated by weakly cemented interlayer surfaces on the physico-mechanical properties of layered cemented tailings...
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Performance of a Full-Height Panel MSE Wall with Pond Ash Backfill: Sensitivity Analysis and Design Recommendations
Mechanically stabilized earth (MSE) walls have become an inseparable part of the modern transportation infrastructure network. Granular materials...
