Cut-and-Fill Mining Method | SpringerLink
Cut-and-fill is a mining method that backfilling the goaf with filling material is adopted to the ground pressure management with the advancement of mining operation. Brief History. Cut-and-fill mining method was developed based on filling technique, and the upward cut-and-fill stoping method was first mainly used for dry rock fill. ...
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The Recent Progress China Has Made in the Backfill Mining Method…
The backfill mining method is a widely used mining method in the major mines of China, which can maximize the recovery of mineral resources and protect the environment. Currently, major mines in China are starting to build backfill systems to apply the backfill mining method, therefore, Part II reviews the progress China has made on …
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Advantages of Backfill Mining Method for Small and …
Backfill mining, an environmentally friendly mining method, has emerged as a viable solution, offering the potential to ensure mining safety, reduce environmental …
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Stability Influencing Factors and Control Methods of …
Affected by coal mining activities, the remaining coal pillars are very likely to be destabilized and cause safety accidents. The backfilling of the remaining goaf can maintain the stability of the coal pillar well, but the coal pillar in the unfilled zone may still be unstable. In this paper, the effect of backfilling materials on coal pillars and the …
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Wongawilli roadway backfilling coal mining method a …
Wongawilli roadway backfilling coal mining method 347 Typically, the average mining speed in a MR was about 20 m/d with the average filling speed in a MR was about 40 m/d; thus, the filling work ...
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An intelligent optimization design method of the …
Backfilling mining is a green mining method. The rational design of the compressed ratio of the backfilling body can reduce backfilling mining costs while avoiding mining-induced environmental damage. At present, the enumeration method is a common design method for the compressed ratio of the backfilling body of backfilling …
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Sublevel Shrinkage (SLSh) Mining—A State-of-the-art Review
Sublevel shrinkage (SLSh) is an underground mining method similar to sublevel caving (SLC) but with continuous backfilling from the top. It features a top-down mining sequence with production drifts orientated in a longitudinal or transverse way in the orebody. Fan drilling and blasting is done from the production drifts, from where the ore …
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Study on Sublevel Open Stoping with Subsequent Backfilling Mining …
This paper discusses the stope parameters of the sublevel subsequent filling stage in Daye Iron Shizishan section. According to the similar material simulation technology, which is the main means, displacement monitoring and internal stress monitoring, several conclusions are summarized as bellow: When the parameter of the …
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Innovative mine backfill materials and structures
Capable mining methods with diverse fill types such as cementitious tail/paste backfill (CTB/CPB) in metal mines and cementitious gangue/ash backfill in …
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Underground Mine Backfilling Transition in Sukinda, Odisha …
The open stoping mining method is generally used in sublevel, long hole or blast hole stoping. Presently, most of the open stoping methods are used in conjunction with backfilling ... The efficiency of this backfilling method depends on how freely numerous mining operations can take place without interfering with one another. …
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A Review of Underground Mine Backfilling Methods …
the common methods of backfilling which are used according to economic factors further goals and ... and pillar underground mining methods in coal mines in Wyoming region in USA. It was applied to
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Cemented paste backfill for mineral tailings management: Review and
In modern mining, waste material is often backfilled into underground voids or open pits after the precious minerals are extracted. Such backfill practice has been well adopted in various mining methods, i.e. cut-and-fill (Henderson et al., 1998), sublevel opening stoping (Emad et al., 2015), and open pit mining (Lu et al., 2018).Backfill has …
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Evaluating the influence of backfilling on the stability of an
Bodovalle is a siderite mine located in northern Spain that is currently in the closure phase. The mine was exploited using the room-and-pillar method. Subsidence processes have occurred previously and reached the surface because of the collapse of several pillars into the mine. To prevent such risky situations, the closure plan has been …
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Beginners' Guide to Cut and Fill Mining Method
The best backfill method is hydraulic fill, requiring deposition techniques that allow a viscous paste to be transported and deposited in emptied ore spaces. Dilution control is generally easier with this method.
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(PDF) CO2 sequestration characteristics in the cementitious material
The overall proposition of this research is to develop a brand-new CO2 physical and chemical sequestration method by using solid waste of coal mining and cementitious material which are widely ...
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An experimental investigation on the compaction characteristic …
Nowadays, the solid backfilling mining technology has been valued as an important technical mean of green mining. However, due to the complicated geological conditions, effective and efficient methods to monitor the deformation of the solid backfilling baby, are lacking in solid backfilling mining. Among various methods …
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Research on mixed mining technology with backfilling and caving methods
Zhang et al. (2017b) summarized the mining technology of a near full-rock protective coal seam, a gas drainage method and the key techniques of fully mechanized gangue backfilling, and the ...
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Experimental investigation on dynamic deformation …
The dynamic subsidence disaster caused by underground mining of coal resources is a complex spatiotemporal process, which is a common disaster in mining areas. The backfilling strip mining technology is a green and sustainable coal mining method, which has been commonly used to reduce the subsidence disaster of the …
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Control of surface deformation and overburden movement in coal mine
In fact, numerous studies have been done to explore the deformation and stress distribution of rock strata in backfilling mining processes through numerical simulation (Emad, 2017;Kostecki and ...
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Advantages of Backfill Mining Method for Small and …
Backfill mining, an environmentally friendly mining method, has emerged as a viable solution, offering the potential to ensure mining safety, reduce environmental pollution stemming from tailings stockpiles, and enhance ore resource recovery. ... The effect of backfilling materials on the deformation of coal and rock strata containing …
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Research on Path Planning Method of Solid Backfilling and …
This paper investigates the path planning problem of the coal mine solid-filling and pushing mechanism and proposes a hybrid improved adaptive genetic particle swarm algorithm (AGAPSO). To enhance the efficiency and accuracy of path planning, the algorithm combines a particle swarm optimization algorithm (PSO) and a genetic …
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Key theory and technology of cemented paste backfill for green mining
Table 2 showes the general selection range of backfill strength for different mining methods. Table 2. Filling body strength selection table of different filling mining methods. ... Research status and perspectives of the application of artificial intelligence in mine backfilling. J. China Coal Soc., 46 (2) (2021), pp. 688-700. View in Scopus ...
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Backfilling for Safety and Efficiency
Backfill is widely used around the world to fill the man-made voids created in the underground environment once ore has been mined out and removed. Its function is to …
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Frontiers | A case study of pillar extraction techniques based …
In the mining process, in order to solve the problems of rock stratum movement and solid waste disposal, engineers, technicians and researchers have always adopted the filling and remining method. They have also studied the response of formation to partial backfilling and mining technique (Chen et al., 2010; Du et al., 2019b).
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What is Backfilling? A Guide to Backfill in Mining and …
While the name can seem a little confusing, backfilling involves refilling holes that are dug up during a building process. This can vary drastically, depending on the industry. In construction, backfilling involves the replacement (or, in some cases, the reuse) of soil used in construction to further support a structural base. …
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Energies | Free Full-Text | Characteristics and Control of Mining
Water conservation in mining is the key to solving the conflict between coal resource exploitation and ecological environment protection, especially in arid and semi-arid mining areas. Continuous excavation and continuous backfilling (CECB) in longwall mining is an important method to realize water conservation mining. Considering the …
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Asymmetric Deformation Mechanism of Roadway with Continuous Mining …
Continuous mining and continuous backfilling (CMCB) is an effective method to control surface subsidence and implement resource utilization of solid waste. To address the issue of asymmetric deformation of the surrounding rock, threatening the overall stability of roadways with CMCB, the deformation characteristics of the roadways …
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Minerals | Free Full-Text | Properties and …
To solve the problems caused by the high-intensity mining of coal, scholars in China proposed a coal mining method with backfilling of goafs [13,14,15,16]. Backfill materials prepared with solid wastes, …
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Water-preserved mining with the method named "backfilling while mining"
In view of the problems such as the shortage of filling time and filling space,the difficulty of coordination between coal mining and filling operation and so on,the new method named "backfilling while mining" was applied to water-preserved mining. In the mining of process,all the roadway in the mining block is divided into several mining stages. The …
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Mining | Free Full-Text | Investigation of Backfilling Step
Using backfilling for mined-out stopes has been widely used in underground mines over the past several decades. In many underground mines, cemented rockfill (CRF) as backfill material is common [1,2].Cemented rock fill (CRF) allows for the full recovery of an orebody while achieving global mine site stability [3,4,5,6].In order to achieve these …
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